[INFO] cloning repository https://github.com/tudorpaisa/many_linked_lists [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tudorpaisa/many_linked_lists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudorpaisa%2Fmany_linked_lists", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudorpaisa%2Fmany_linked_lists'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudorpaisa%2Fmany_linked_lists: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/tudorpaisa/many_linked_lists [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tudorpaisa/many_linked_lists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudorpaisa%2Fmany_linked_lists", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudorpaisa%2Fmany_linked_lists'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudorpaisa%2Fmany_linked_lists: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 2) [INFO] cloning repository https://github.com/tudorpaisa/many_linked_lists [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tudorpaisa/many_linked_lists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudorpaisa%2Fmany_linked_lists", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudorpaisa%2Fmany_linked_lists'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudorpaisa%2Fmany_linked_lists: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 3) [INFO] cloning repository https://github.com/tudorpaisa/many_linked_lists [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tudorpaisa/many_linked_lists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudorpaisa%2Fmany_linked_lists", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudorpaisa%2Fmany_linked_lists'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudorpaisa%2Fmany_linked_lists: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 4) [INFO] cloning repository https://github.com/tudorpaisa/many_linked_lists [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tudorpaisa/many_linked_lists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudorpaisa%2Fmany_linked_lists", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudorpaisa%2Fmany_linked_lists'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudorpaisa%2Fmany_linked_lists: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 5) [INFO] cloning repository https://github.com/tudorpaisa/many_linked_lists [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tudorpaisa/many_linked_lists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudorpaisa%2Fmany_linked_lists", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudorpaisa%2Fmany_linked_lists'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudorpaisa%2Fmany_linked_lists: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 6) [INFO] cloning repository https://github.com/tudorpaisa/many_linked_lists [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tudorpaisa/many_linked_lists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudorpaisa%2Fmany_linked_lists", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudorpaisa%2Fmany_linked_lists'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudorpaisa%2Fmany_linked_lists: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 7) [INFO] cloning repository https://github.com/tudorpaisa/many_linked_lists [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tudorpaisa/many_linked_lists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudorpaisa%2Fmany_linked_lists", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudorpaisa%2Fmany_linked_lists'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c7ae5dea96f1362c218240906e5a967d508958f5 [INFO] testing tudorpaisa/many_linked_lists against master#9e297bf54d31eb3b30067208ff9af4416945a2ed for pr-125507 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudorpaisa%2Fmany_linked_lists" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tudorpaisa/many_linked_lists on toolchain 9e297bf54d31eb3b30067208ff9af4416945a2ed [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tudorpaisa/many_linked_lists [INFO] finished tweaking git repo https://github.com/tudorpaisa/many_linked_lists [INFO] tweaked toml for git repo https://github.com/tudorpaisa/many_linked_lists written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/tudorpaisa/many_linked_lists already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4a80a11f41d4c905574cd6167db65c08bc8d9808a80f2517f29f53d1309a1fa0 [INFO] running `Command { std: "docker" "start" "-a" "4a80a11f41d4c905574cd6167db65c08bc8d9808a80f2517f29f53d1309a1fa0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4a80a11f41d4c905574cd6167db65c08bc8d9808a80f2517f29f53d1309a1fa0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a80a11f41d4c905574cd6167db65c08bc8d9808a80f2517f29f53d1309a1fa0", kill_on_drop: false }` [INFO] [stdout] 4a80a11f41d4c905574cd6167db65c08bc8d9808a80f2517f29f53d1309a1fa0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 64c8571a99c536e5bd79f00527d6b38a73e1cf737a9a36caa3cce1f54d800bf9 [INFO] running `Command { std: "docker" "start" "-a" "64c8571a99c536e5bd79f00527d6b38a73e1cf737a9a36caa3cce1f54d800bf9", kill_on_drop: false }` [INFO] [stderr] Compiling many_linked_lists v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/fifth.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | let mut new_tail = Box::into_raw(Box::new(Node { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `pop_node` is never used [INFO] [stdout] --> src/first.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 18 | impl List { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 42 | fn pop_node(&mut self) -> Link { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `pop_node`, `peek`, and `peek_mut` are never used [INFO] [stdout] --> src/second.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 15 | impl List { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 36 | fn pop_node(&mut self) -> Link { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | fn peek_mut(&mut self) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `into_iter` is never used [INFO] [stdout] --> src/second.rs:60:8 [INFO] [stdout] | [INFO] [stdout] 59 | impl List { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] 60 | fn into_iter(self) -> IntoIter { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `iter` is never used [INFO] [stdout] --> src/second.rs:83:8 [INFO] [stdout] | [INFO] [stdout] 79 | impl List { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 83 | fn iter<'a>(&'a self) -> Iter<'a, T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] running `Command { std: "docker" "inspect" "64c8571a99c536e5bd79f00527d6b38a73e1cf737a9a36caa3cce1f54d800bf9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64c8571a99c536e5bd79f00527d6b38a73e1cf737a9a36caa3cce1f54d800bf9", kill_on_drop: false }` [INFO] [stdout] 64c8571a99c536e5bd79f00527d6b38a73e1cf737a9a36caa3cce1f54d800bf9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6299c9d1cd7c1b86709317de2d493a7a5e6eba72a24f9b182a849476e956fb6a [INFO] running `Command { std: "docker" "start" "-a" "6299c9d1cd7c1b86709317de2d493a7a5e6eba72a24f9b182a849476e956fb6a", kill_on_drop: false }` [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/fifth.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | let mut new_tail = Box::into_raw(Box::new(Node { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `pop_node` is never used [INFO] [stdout] --> src/first.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 18 | impl List { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 42 | fn pop_node(&mut self) -> Link { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `pop_node`, `peek`, and `peek_mut` are never used [INFO] [stdout] --> src/second.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 15 | impl List { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 36 | fn pop_node(&mut self) -> Link { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | fn peek_mut(&mut self) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `into_iter` is never used [INFO] [stdout] --> src/second.rs:60:8 [INFO] [stdout] | [INFO] [stdout] 59 | impl List { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] 60 | fn into_iter(self) -> IntoIter { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `iter` is never used [INFO] [stdout] --> src/second.rs:83:8 [INFO] [stdout] | [INFO] [stdout] 79 | impl List { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 83 | fn iter<'a>(&'a self) -> Iter<'a, T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling many_linked_lists v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/fifth.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | let mut new_tail = Box::into_raw(Box::new(Node { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `pop_node` is never used [INFO] [stdout] --> src/first.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 18 | impl List { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 42 | fn pop_node(&mut self) -> Link { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `pop_node` is never used [INFO] [stdout] --> src/second.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 15 | impl List { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 36 | fn pop_node(&mut self) -> Link { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `Command { std: "docker" "inspect" "6299c9d1cd7c1b86709317de2d493a7a5e6eba72a24f9b182a849476e956fb6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6299c9d1cd7c1b86709317de2d493a7a5e6eba72a24f9b182a849476e956fb6a", kill_on_drop: false }` [INFO] [stdout] 6299c9d1cd7c1b86709317de2d493a7a5e6eba72a24f9b182a849476e956fb6a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 65e8d2508e52943aca37cf1803b87315ba4cf875c65415cdba381c88ec7db2c4 [INFO] running `Command { std: "docker" "start" "-a" "65e8d2508e52943aca37cf1803b87315ba4cf875c65415cdba381c88ec7db2c4", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/fifth.rs:21:13 [INFO] [stderr] | [INFO] [stderr] 21 | let mut new_tail = Box::into_raw(Box::new(Node { [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method `pop_node` is never used [INFO] [stderr] --> src/first.rs:42:8 [INFO] [stderr] | [INFO] [stderr] 18 | impl List { [INFO] [stderr] | --------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 42 | fn pop_node(&mut self) -> Link { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: methods `pop_node`, `peek`, and `peek_mut` are never used [INFO] [stderr] --> src/second.rs:36:8 [INFO] [stderr] | [INFO] [stderr] 15 | impl List { [INFO] [stderr] | --------------- methods in this implementation [INFO] [stderr] ... [INFO] [stderr] 36 | fn pop_node(&mut self) -> Link { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 43 | fn peek(&self) -> Option<&T> { [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 49 | fn peek_mut(&mut self) -> Option<&mut T> { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `into_iter` is never used [INFO] [stderr] --> src/second.rs:60:8 [INFO] [stderr] | [INFO] [stderr] 59 | impl List { [INFO] [stderr] | --------------- method in this implementation [INFO] [stderr] 60 | fn into_iter(self) -> IntoIter { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `iter` is never used [INFO] [stderr] --> src/second.rs:83:8 [INFO] [stderr] | [INFO] [stderr] 79 | impl List { [INFO] [stderr] | --------------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 83 | fn iter<'a>(&'a self) -> Iter<'a, T> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: `many_linked_lists` (lib) generated 5 warnings (run `cargo fix --lib -p many_linked_lists` to apply 1 suggestion) [INFO] [stderr] warning: method `pop_node` is never used [INFO] [stderr] --> src/second.rs:36:8 [INFO] [stderr] | [INFO] [stderr] 15 | impl List { [INFO] [stderr] | --------------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 36 | fn pop_node(&mut self) -> Link { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `many_linked_lists` (lib test) generated 3 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/many_linked_lists-647364dc38822394) [INFO] [stdout] [INFO] [stdout] running 27 tests [INFO] [stdout] test fifth::miri_food ... ok [INFO] [stdout] test fifth::test::basics ... ok [INFO] [stdout] test first::tests::basics ... ok [INFO] [stdout] test fourth::test::basic ... ok [INFO] [stdout] test fourth::test::into_iter ... ok [INFO] [stdout] test fourth::test::peek ... ok [INFO] [stdout] test second::tests::basics ... ok [INFO] [stdout] test second::tests::into_iter ... ok [INFO] [stdout] test second::tests::iter ... ok [INFO] [stdout] test second::tests::iter_mut ... ok [INFO] [stdout] test second::tests::peek ... ok [INFO] [stdout] test sixth::test::test_basic ... ok [INFO] [stdout] test sixth::test::test_basic_front ... ok [INFO] [stdout] test sixth::test::test_cursor_move_peek ... ok [INFO] [stdout] test sixth::test::test_debug ... ok [INFO] [stdout] test sixth::test::test_hashmap ... ok [INFO] [stdout] test sixth::test::test_iterator_double_end ... ok [INFO] [stdout] test sixth::test::test_iterator_mut_double_end ... ok [INFO] [stdout] test sixth::test::test_mut_iter ... ok [INFO] [stdout] test sixth::test::test_eq ... ok [INFO] [stdout] test sixth::test::test_ord_nan ... ok [INFO] [stdout] test sixth::test::test_ord ... ok [INFO] [stdout] test sixth::test::test_rev_iter ... ok [INFO] [stdout] test sixth::test::test_iterator ... ok [INFO] [stdout] test third::test::basics ... ok [INFO] [stdout] test third::test::iter ... ok [INFO] [stdout] thread 'sixth::test::test_cursor_mut_insert' panicked at src/sixth.rs:1108:9: [INFO] [stderr] thread 'sixth::test::test_cursor_mut_insert' panicked at src/sixth.rs:121:21: [INFO] [stdout] assertion `left == right` failed [INFO] [stderr] misaligned pointer dereference: address must be a multiple of 0x8 but is 0x4a9f07dc0dd9cca4 [INFO] [stdout] left: [102] [INFO] [stderr] stack backtrace: [INFO] [stdout] right: [102, 103, 8, 2, 3, 4, 5, 6] [INFO] [stderr] 0: 0x5610177ca235 - std::backtrace_rs::backtrace::libunwind::trace::h01616864447d7b30 [INFO] [stdout] stack backtrace: [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5 [INFO] [stdout] 0: 0x5610177ca235 - std::backtrace_rs::backtrace::libunwind::trace::h01616864447d7b30 [INFO] [stderr] 1: 0x5610177ca235 - std::backtrace_rs::backtrace::trace_unsynchronized::haf2505f1cce46362 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 1: 0x5610177ca235 - std::backtrace_rs::backtrace::trace_unsynchronized::haf2505f1cce46362 [INFO] [stderr] 2: 0x5610177ca235 - std::sys_common::backtrace::_print_fmt::h194ca41cc100de5c [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stdout] 2: 0x5610177ca235 - std::sys_common::backtrace::_print_fmt::h194ca41cc100de5c [INFO] [stderr] 3: 0x5610177ca235 - ::fmt::h0cdf3b9de85168c4 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 3: 0x5610177ca235 - ::fmt::h0cdf3b9de85168c4 [INFO] [stderr] 4: 0x5610177f209b - core::fmt::rt::Argument::fmt::h4873b1048d9b82db [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/fmt/rt.rs:165:63 [INFO] [stdout] 4: 0x5610177f209b - core::fmt::rt::Argument::fmt::h4873b1048d9b82db [INFO] [stderr] 5: 0x5610177f209b - core::fmt::write::ha4c74c323a0d086c [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/fmt/rt.rs:165:63 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/fmt/mod.rs:1172:21 [INFO] [stdout] 5: 0x5610177f209b - core::fmt::write::ha4c74c323a0d086c [INFO] [stderr] 6: 0x5610177c751f - std::io::Write::write_fmt::h294ecab9c2433d17 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/fmt/mod.rs:1172:21 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/io/mod.rs:1835:15 [INFO] [stdout] 6: 0x5610177c75cf - std::io::Write::write_fmt::hb6b43a5c88baad33 [INFO] [stderr] 7: 0x5610177ca00e - std::sys_common::backtrace::_print::h667dd447a835cd2b [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/io/mod.rs:1835:15 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 7: 0x5610177ca00e - std::sys_common::backtrace::_print::h667dd447a835cd2b [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x5610177ca00e - std::sys_common::backtrace::print::hd059cf329bebd7b7 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x5610177cba69 - std::panicking::default_hook::{{closure}}::hcda624442cb26ab2 [INFO] [stdout] 10: 0x5610177cb6d6 - std::panicking::default_hook::h1433a4b0280b10c1 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panicking.rs:295:9 [INFO] [stdout] 11: 0x56101779b5ba - as core::ops::function::Fn>::call::h1d330c91badb41c3 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/alloc/src/boxed.rs:2077:9 [INFO] [stdout] 12: 0x56101779b5ba - test::test_main::{{closure}}::h51ee890341c1da25 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/test/src/lib.rs:137:21 [INFO] [stdout] 13: 0x5610177cc0db - as core::ops::function::Fn>::call::h7bfd229c9579d378 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/alloc/src/boxed.rs:2077:9 [INFO] [stderr] 8: 0x5610177ca00e - std::sys_common::backtrace::print::hd059cf329bebd7b7 [INFO] [stdout] 14: 0x5610177cc0db - std::panicking::rust_panic_with_hook::hbbff73039be21b12 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panicking.rs:799:13 [INFO] [stderr] 9: 0x5610177cba69 - std::panicking::default_hook::{{closure}}::hcda624442cb26ab2 [INFO] [stdout] 15: 0x5610177cbe54 - std::panicking::begin_panic_handler::{{closure}}::hf2d595805aea6208 [INFO] [stderr] 10: 0x5610177cb80a - std::panicking::default_hook::h1433a4b0280b10c1 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panicking.rs:664:13 [INFO] [stdout] 16: 0x5610177ca6f9 - std::sys_common::backtrace::__rust_end_short_backtrace::h043134ab1b7436ad [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/sys_common/backtrace.rs:171:18 [INFO] [stdout] 17: 0x5610177cbb87 - rust_begin_unwind [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panicking.rs:652:5 [INFO] [stdout] 18: 0x5610177f0973 - core::panicking::panic_fmt::h5e9d189302ee3459 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/panicking.rs:72:14 [INFO] [stdout] 19: 0x5610177f0dae - core::panicking::assert_failed_inner::hbb2128a8bf12649f [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/panicking.rs:408:17 [INFO] [stdout] 20: 0x56101775a902 - core::panicking::assert_failed::h2260fc72fc575108 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/panicking.rs:363:5 [INFO] [stdout] 21: 0x561017745ea6 - many_linked_lists::sixth::test::test_cursor_mut_insert::h2489f1bf48752821 [INFO] [stdout] at /opt/rustwide/workdir/src/sixth.rs:1108:9 [INFO] [stdout] 22: 0x5610177453b7 - many_linked_lists::sixth::test::test_cursor_mut_insert::{{closure}}::h011ce0f14774feba [INFO] [stdout] at /opt/rustwide/workdir/src/sixth.rs:1042:32 [INFO] [stdout] 23: 0x561017760906 - core::ops::function::FnOnce::call_once::h7f41c19416f54d02 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/ops/function.rs:250:5 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panicking.rs:298:9 [INFO] [stdout] 24: 0x56101779fe0b - core::ops::function::FnOnce::call_once::h142728b0f901c1d8 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x56101779fe0b - test::__rust_begin_short_backtrace::h78f66600c792516f [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/test/src/lib.rs:625:18 [INFO] [stdout] 26: 0x56101779f541 - test::run_test_in_process::{{closure}}::h36b63bf5ec069162 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/test/src/lib.rs:648:60 [INFO] [stdout] 27: 0x56101779f541 - as core::ops::function::FnOnce<()>>::call_once::hc0bc08664ac0fa12 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x56101779f541 - std::panicking::try::do_call::haab6c4522a086511 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panicking.rs:559:40 [INFO] [stdout] 29: 0x56101779f541 - std::panicking::try::hf718cb1b5809fd88 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panicking.rs:523:19 [INFO] [stdout] 30: 0x56101779f541 - std::panic::catch_unwind::he2ad76393ba02fb8 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panic.rs:149:14 [INFO] [stdout] 31: 0x56101779f541 - test::run_test_in_process::hc186a56cb0b7c789 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/test/src/lib.rs:648:27 [INFO] [stdout] 32: 0x56101779f541 - test::run_test::{{closure}}::h904ff18418fddb43 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/test/src/lib.rs:569:43 [INFO] [stdout] 33: 0x561017767294 - test::run_test::{{closure}}::hac26f57ad5c71290 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/test/src/lib.rs:599:41 [INFO] [stdout] 34: 0x561017767294 - std::sys_common::backtrace::__rust_begin_short_backtrace::hfe28fbb6dc5c1a07 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/sys_common/backtrace.rs:155:18 [INFO] [stdout] 35: 0x56101776bb82 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h95bfe91ffe8f44f9 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/thread/mod.rs:542:17 [INFO] [stdout] 36: 0x56101776bb82 - as core::ops::function::FnOnce<()>>::call_once::hd46f137d10008ee5 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x56101776bb82 - std::panicking::try::do_call::hb6e54244f5c0dd5a [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panicking.rs:559:40 [INFO] [stdout] 38: 0x56101776bb82 - std::panicking::try::h9bd598d7f06adceb [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panicking.rs:523:19 [INFO] [stdout] 39: 0x56101776bb82 - std::panic::catch_unwind::hd6bd9f72f43d406c [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panic.rs:149:14 [INFO] [stdout] 40: 0x56101776bb82 - std::thread::Builder::spawn_unchecked_::{{closure}}::h656cd769863cb7e9 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/thread/mod.rs:541:30 [INFO] [stdout] 41: 0x56101776bb82 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h434a6c48d2f2306f [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x5610177d02eb - as core::ops::function::FnOnce>::call_once::h4e53d953a4689d25 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/alloc/src/boxed.rs:2063:9 [INFO] [stdout] 43: 0x5610177d02eb - as core::ops::function::FnOnce>::call_once::hb1f69d21a251f1d9 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/alloc/src/boxed.rs:2063:9 [INFO] [stdout] 44: 0x5610177d02eb - std::sys::pal::unix::thread::Thread::new::thread_start::h03f22bbd669825b9 [INFO] [stdout] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/sys/pal/unix/thread.rs:108:17 [INFO] [stdout] 45: 0x7fe1547a4ac3 - [INFO] [stdout] 46: 0x7fe154835a04 - __clone [INFO] [stdout] 47: 0x0 - [INFO] [stderr] 11: 0x56101779b5ba - as core::ops::function::Fn>::call::h1d330c91badb41c3 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/alloc/src/boxed.rs:2077:9 [INFO] [stderr] 12: 0x56101779b5ba - test::test_main::{{closure}}::h51ee890341c1da25 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/test/src/lib.rs:137:21 [INFO] [stderr] 13: 0x5610177cc0db - as core::ops::function::Fn>::call::h7bfd229c9579d378 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/alloc/src/boxed.rs:2077:9 [INFO] [stderr] 14: 0x5610177cc0db - std::panicking::rust_panic_with_hook::hbbff73039be21b12 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panicking.rs:799:13 [INFO] [stderr] 15: 0x5610177cbe54 - std::panicking::begin_panic_handler::{{closure}}::hf2d595805aea6208 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panicking.rs:664:13 [INFO] [stderr] 16: 0x5610177ca6f9 - std::sys_common::backtrace::__rust_end_short_backtrace::h043134ab1b7436ad [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/sys_common/backtrace.rs:171:18 [INFO] [stderr] 17: 0x5610177cbb87 - rust_begin_unwind [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panicking.rs:652:5 [INFO] [stderr] 18: 0x5610177f09d0 - core::panicking::panic_nounwind_fmt::runtime::h2e7efcd5e5288118 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/panicking.rs:110:18 [INFO] [stderr] 19: 0x5610177f09d0 - core::panicking::panic_nounwind_fmt::h75f96b64e70f7b13 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/panicking.rs:120:5 [INFO] [stderr] 20: 0x5610177f0c53 - core::panicking::panic_misaligned_pointer_dereference::hbb86a688aafa8ef1 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/panicking.rs:287:5 [INFO] [stderr] 21: 0x56101774c5a7 - many_linked_lists::sixth::LinkedList::pop_front::{{closure}}::h2f3ede2f5d7e2c7c [INFO] [stderr] at /opt/rustwide/workdir/src/sixth.rs:121:21 [INFO] [stderr] 22: 0x56101773d9e3 - core::option::Option::map::hd23728f806e2a5b6 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/option.rs:1072:29 [INFO] [stderr] 23: 0x56101774c336 - many_linked_lists::sixth::LinkedList::pop_front::h49371260cf2bf388 [INFO] [stderr] at /opt/rustwide/workdir/src/sixth.rs:110:13 [INFO] [stderr] 24: 0x56101774d2c6 - as core::ops::drop::Drop>::drop::h26d40b107dfb00b4 [INFO] [stderr] at /opt/rustwide/workdir/src/sixth.rs:236:29 [INFO] [stderr] 25: 0x56101776165a - core::ptr::drop_in_place>::he30dfc1a61c385fc [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/ptr/mod.rs:537:1 [INFO] [stderr] 26: 0x56101774604a - many_linked_lists::sixth::test::test_cursor_mut_insert::h2489f1bf48752821 [INFO] [stderr] at /opt/rustwide/workdir/src/sixth.rs:1111:5 [INFO] [stderr] 27: 0x5610177453b7 - many_linked_lists::sixth::test::test_cursor_mut_insert::{{closure}}::h011ce0f14774feba [INFO] [stderr] at /opt/rustwide/workdir/src/sixth.rs:1042:32 [INFO] [stderr] 28: 0x561017760906 - core::ops::function::FnOnce::call_once::h7f41c19416f54d02 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/ops/function.rs:250:5 [INFO] [stderr] 29: 0x56101779fe0b - core::ops::function::FnOnce::call_once::h142728b0f901c1d8 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/ops/function.rs:250:5 [INFO] [stderr] 30: 0x56101779fe0b - test::__rust_begin_short_backtrace::h78f66600c792516f [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/test/src/lib.rs:625:18 [INFO] [stderr] 31: 0x56101779f541 - test::run_test_in_process::{{closure}}::h36b63bf5ec069162 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/test/src/lib.rs:648:60 [INFO] [stderr] 32: 0x56101779f541 - as core::ops::function::FnOnce<()>>::call_once::hc0bc08664ac0fa12 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stderr] 33: 0x56101779f541 - std::panicking::try::do_call::haab6c4522a086511 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panicking.rs:559:40 [INFO] [stderr] 34: 0x56101779f541 - std::panicking::try::hf718cb1b5809fd88 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panicking.rs:523:19 [INFO] [stderr] 35: 0x56101779f541 - std::panic::catch_unwind::he2ad76393ba02fb8 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panic.rs:149:14 [INFO] [stderr] 36: 0x56101779f541 - test::run_test_in_process::hc186a56cb0b7c789 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/test/src/lib.rs:648:27 [INFO] [stderr] 37: 0x56101779f541 - test::run_test::{{closure}}::h904ff18418fddb43 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/test/src/lib.rs:569:43 [INFO] [stderr] 38: 0x561017767294 - test::run_test::{{closure}}::hac26f57ad5c71290 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/test/src/lib.rs:599:41 [INFO] [stderr] 39: 0x561017767294 - std::sys_common::backtrace::__rust_begin_short_backtrace::hfe28fbb6dc5c1a07 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/sys_common/backtrace.rs:155:18 [INFO] [stderr] 40: 0x56101776bb82 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h95bfe91ffe8f44f9 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/thread/mod.rs:542:17 [INFO] [stderr] 41: 0x56101776bb82 - as core::ops::function::FnOnce<()>>::call_once::hd46f137d10008ee5 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stderr] 42: 0x56101776bb82 - std::panicking::try::do_call::hb6e54244f5c0dd5a [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panicking.rs:559:40 [INFO] [stderr] 43: 0x56101776bb82 - std::panicking::try::h9bd598d7f06adceb [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panicking.rs:523:19 [INFO] [stderr] 44: 0x56101776bb82 - std::panic::catch_unwind::hd6bd9f72f43d406c [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/panic.rs:149:14 [INFO] [stderr] 45: 0x56101776bb82 - std::thread::Builder::spawn_unchecked_::{{closure}}::h656cd769863cb7e9 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/thread/mod.rs:541:30 [INFO] [stderr] 46: 0x56101776bb82 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h434a6c48d2f2306f [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/core/src/ops/function.rs:250:5 [INFO] [stderr] 47: 0x5610177d02eb - as core::ops::function::FnOnce>::call_once::h4e53d953a4689d25 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/alloc/src/boxed.rs:2063:9 [INFO] [stderr] 48: 0x5610177d02eb - as core::ops::function::FnOnce>::call_once::hb1f69d21a251f1d9 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/alloc/src/boxed.rs:2063:9 [INFO] [stderr] 49: 0x5610177d02eb - std::sys::pal::unix::thread::Thread::new::thread_start::h03f22bbd669825b9 [INFO] [stderr] at /rustc/9e297bf54d31eb3b30067208ff9af4416945a2ed/library/std/src/sys/pal/unix/thread.rs:108:17 [INFO] [stderr] 50: 0x7fe1547a4ac3 - [INFO] [stderr] 51: 0x7fe154835a04 - __clone [INFO] [stderr] 52: 0x0 - [INFO] [stderr] thread caused non-unwinding panic. aborting. [INFO] [stderr] error: test failed, to rerun pass `--lib` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/deps/many_linked_lists-647364dc38822394` (signal: 6, SIGABRT: process abort signal) [INFO] running `Command { std: "docker" "inspect" "65e8d2508e52943aca37cf1803b87315ba4cf875c65415cdba381c88ec7db2c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65e8d2508e52943aca37cf1803b87315ba4cf875c65415cdba381c88ec7db2c4", kill_on_drop: false }` [INFO] [stdout] 65e8d2508e52943aca37cf1803b87315ba4cf875c65415cdba381c88ec7db2c4 [INFO] testing tudorpaisa/many_linked_lists against try#61a9ac64344e91d62f5496627ff363d177f9daab for pr-125507 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftudorpaisa%2Fmany_linked_lists" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tudorpaisa/many_linked_lists on toolchain 61a9ac64344e91d62f5496627ff363d177f9daab [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tudorpaisa/many_linked_lists [INFO] finished tweaking git repo https://github.com/tudorpaisa/many_linked_lists [INFO] tweaked toml for git repo https://github.com/tudorpaisa/many_linked_lists written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/tudorpaisa/many_linked_lists already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c6a21de160ce02a6c6e48cd29094f12dadc0e70beb4a3a2749adac83f5eb473d [INFO] running `Command { std: "docker" "start" "-a" "c6a21de160ce02a6c6e48cd29094f12dadc0e70beb4a3a2749adac83f5eb473d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c6a21de160ce02a6c6e48cd29094f12dadc0e70beb4a3a2749adac83f5eb473d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6a21de160ce02a6c6e48cd29094f12dadc0e70beb4a3a2749adac83f5eb473d", kill_on_drop: false }` [INFO] [stdout] c6a21de160ce02a6c6e48cd29094f12dadc0e70beb4a3a2749adac83f5eb473d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3b0b8f0f6330d8383b887a959706c88e0e2ea31810910444d40fa64298423246 [INFO] running `Command { std: "docker" "start" "-a" "3b0b8f0f6330d8383b887a959706c88e0e2ea31810910444d40fa64298423246", kill_on_drop: false }` [INFO] [stderr] Compiling many_linked_lists v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/fifth.rs:21:13 [INFO] [stdout] | [INFO] [stdout] 21 | let mut new_tail = Box::into_raw(Box::new(Node { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `pop_node` is never used [INFO] [stdout] --> src/first.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 18 | impl List { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 42 | fn pop_node(&mut self) -> Link { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `pop_node`, `peek`, and `peek_mut` are never used [INFO] [stdout] --> src/second.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 15 | impl List { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 36 | fn pop_node(&mut self) -> Link { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | fn peek_mut(&mut self) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `into_iter` is never used [INFO] [stdout] --> src/second.rs:60:8 [INFO] [stdout] | [INFO] [stdout] 59 | impl List { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] 60 | fn into_iter(self) -> IntoIter { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `iter` is never used [INFO] [stdout] --> src/second.rs:83:8 [INFO] [stdout] | [INFO] [stdout] 79 | impl List { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 83 | fn iter<'a>(&'a self) -> Iter<'a, T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaNsmo1x/lib.rmeta`: No space left on device (os error 28) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `many_linked_lists` (lib) due to 2 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "3b0b8f0f6330d8383b887a959706c88e0e2ea31810910444d40fa64298423246", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b0b8f0f6330d8383b887a959706c88e0e2ea31810910444d40fa64298423246", kill_on_drop: false }` [INFO] [stdout] 3b0b8f0f6330d8383b887a959706c88e0e2ea31810910444d40fa64298423246