[INFO] updating cached repository https://github.com/mihneagogu/rust-lists [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1dfcf07ea3e324bac9728ea2ccedf13d2eea8dcf [INFO] testing mihneagogu/rust-lists against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmihneagogu%2Frust-lists" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mihneagogu/rust-lists on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mihneagogu/rust-lists [INFO] finished tweaking git repo https://github.com/mihneagogu/rust-lists [INFO] tweaked toml for git repo https://github.com/mihneagogu/rust-lists written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/mihneagogu/rust-lists already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e009020aaa0c87e2924eb22ac836681a9797383d2e3c6790e4e56cd149cdba6f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e009020aaa0c87e2924eb22ac836681a9797383d2e3c6790e4e56cd149cdba6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e009020aaa0c87e2924eb22ac836681a9797383d2e3c6790e4e56cd149cdba6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e009020aaa0c87e2924eb22ac836681a9797383d2e3c6790e4e56cd149cdba6f", kill_on_drop: false }` [INFO] [stdout] e009020aaa0c87e2924eb22ac836681a9797383d2e3c6790e4e56cd149cdba6f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fdd2ce12eb755258e085bd111604c25a09bcdb904ef441816b44da0b1140d9e6 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "fdd2ce12eb755258e085bd111604c25a09bcdb904ef441816b44da0b1140d9e6", kill_on_drop: false }` [INFO] [stderr] Compiling lists v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `with` [INFO] [stdout] --> src/lib.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | fn with(item: T) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `with` [INFO] [stdout] --> src/lib.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | fn with(item: T) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `iter_mut` [INFO] [stdout] --> src/lib.rs:66:16 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn iter_mut(&mut self) -> IterMut<'_, T> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `iter` [INFO] [stdout] --> src/lib.rs:70:16 [INFO] [stdout] | [INFO] [stdout] 70 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `into_iter` [INFO] [stdout] --> src/lib.rs:74:16 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn into_iter(self) -> IntoIter { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/lib.rs:86:16 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek_mut` [INFO] [stdout] --> src/lib.rs:90:16 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn peek_mut(&mut self) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.01s [INFO] running `Command { std: "docker" "inspect" "fdd2ce12eb755258e085bd111604c25a09bcdb904ef441816b44da0b1140d9e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fdd2ce12eb755258e085bd111604c25a09bcdb904ef441816b44da0b1140d9e6", kill_on_drop: false }` [INFO] [stdout] fdd2ce12eb755258e085bd111604c25a09bcdb904ef441816b44da0b1140d9e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1698ddea5bd9ae23c55dd278d53b7343a2816ec506142db9492a8b5dfa1e0f3a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1698ddea5bd9ae23c55dd278d53b7343a2816ec506142db9492a8b5dfa1e0f3a", kill_on_drop: false }` [INFO] [stdout] warning: associated function is never used: `with` [INFO] [stdout] --> src/lib.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | fn with(item: T) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling lists v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `with` [INFO] [stdout] --> src/lib.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | fn with(item: T) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `iter_mut` [INFO] [stdout] --> src/lib.rs:66:16 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn iter_mut(&mut self) -> IterMut<'_, T> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `into_iter` [INFO] [stdout] --> src/lib.rs:74:16 [INFO] [stdout] | [INFO] [stdout] 74 | pub fn into_iter(self) -> IntoIter { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `with` [INFO] [stdout] --> src/lib.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | fn with(item: T) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.45s [INFO] running `Command { std: "docker" "inspect" "1698ddea5bd9ae23c55dd278d53b7343a2816ec506142db9492a8b5dfa1e0f3a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1698ddea5bd9ae23c55dd278d53b7343a2816ec506142db9492a8b5dfa1e0f3a", kill_on_drop: false }` [INFO] [stdout] 1698ddea5bd9ae23c55dd278d53b7343a2816ec506142db9492a8b5dfa1e0f3a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 87d61214ee3b399d9f810934a0d514b7604b800f1bc35ad2dc4ca114ce15b7dd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "87d61214ee3b399d9f810934a0d514b7604b800f1bc35ad2dc4ca114ce15b7dd", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: associated function is never used: `with` [INFO] [stderr] --> src/lib.rs:16:12 [INFO] [stderr] | [INFO] [stderr] 16 | fn with(item: T) -> Self { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `with` [INFO] [stderr] --> src/lib.rs:16:12 [INFO] [stderr] | [INFO] [stderr] 16 | fn with(item: T) -> Self { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `iter_mut` [INFO] [stderr] --> src/lib.rs:66:16 [INFO] [stderr] | [INFO] [stderr] 66 | pub fn iter_mut(&mut self) -> IterMut<'_, T> { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `into_iter` [INFO] [stderr] --> src/lib.rs:74:16 [INFO] [stderr] | [INFO] [stderr] 74 | pub fn into_iter(self) -> IntoIter { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `with` [INFO] [stderr] --> src/lib.rs:16:12 [INFO] [stderr] | [INFO] [stderr] 16 | fn with(item: T) -> Self { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.21s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/lists-88d4a8231d6efc35 [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::basic ... ok [INFO] [stdout] test tests::peek ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/lists-0564572a27573386 [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test lib::tests::peek ... ok [INFO] [stdout] test lib::tests::basic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests lists [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "87d61214ee3b399d9f810934a0d514b7604b800f1bc35ad2dc4ca114ce15b7dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87d61214ee3b399d9f810934a0d514b7604b800f1bc35ad2dc4ca114ce15b7dd", kill_on_drop: false }` [INFO] [stdout] 87d61214ee3b399d9f810934a0d514b7604b800f1bc35ad2dc4ca114ce15b7dd