[INFO] fetching crate texcraft-stdext 0.1.0... [INFO] building texcraft-stdext-0.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1 [INFO] extracting crate texcraft-stdext 0.1.0 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate texcraft-stdext 0.1.0 [INFO] finished tweaking crates.io crate texcraft-stdext 0.1.0 [INFO] tweaked toml for crates.io crate texcraft-stdext 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate texcraft-stdext 0.1.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 23 packages to latest compatible versions [INFO] [stderr] Adding colored v2.2.0 (available: v3.0.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 61fec907f3bd3e54404278b7d26550b9c87b764e05c8653bfa12dc048ce247b4 [INFO] running `Command { std: "docker" "start" "-a" "61fec907f3bd3e54404278b7d26550b9c87b764e05c8653bfa12dc048ce247b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "61fec907f3bd3e54404278b7d26550b9c87b764e05c8653bfa12dc048ce247b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61fec907f3bd3e54404278b7d26550b9c87b764e05c8653bfa12dc048ce247b4", kill_on_drop: false }` [INFO] [stdout] 61fec907f3bd3e54404278b7d26550b9c87b764e05c8653bfa12dc048ce247b4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1b10e0abcc704c3beb8e45b3be47d81c59e0d345e8ffebb7a7a231b4f48916ce [INFO] running `Command { std: "docker" "start" "-a" "1b10e0abcc704c3beb8e45b3be47d81c59e0d345e8ffebb7a7a231b4f48916ce", kill_on_drop: false }` [INFO] [stderr] Compiling colored v2.2.0 [INFO] [stderr] Compiling texcraft-stdext v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/algorithms/spellcheck.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | let mut cmp = c.clone_to_front(idx_add); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/algorithms/spellcheck.rs:115:13 [INFO] [stdout] | [INFO] [stdout] 115 | let mut cmp = c.clone_to_front(idx_subtract); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/algorithms/spellcheck.rs:136:17 [INFO] [stdout] | [INFO] [stdout] 136 | let mut cmp = c.clone_to_front(idx_to_clone); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/algorithms/substringsearch.rs:81:18 [INFO] [stdout] | [INFO] [stdout] 81 | pub fn start(&self) -> Search { [INFO] [stdout] | ^^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 81 | pub fn start(&self) -> Search<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.80s [INFO] running `Command { std: "docker" "inspect" "1b10e0abcc704c3beb8e45b3be47d81c59e0d345e8ffebb7a7a231b4f48916ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b10e0abcc704c3beb8e45b3be47d81c59e0d345e8ffebb7a7a231b4f48916ce", kill_on_drop: false }` [INFO] [stdout] 1b10e0abcc704c3beb8e45b3be47d81c59e0d345e8ffebb7a7a231b4f48916ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bab3a8adab439728f6b3d9f3183e6796ea225fd303abc8589ad3884f73e204e2 [INFO] running `Command { std: "docker" "start" "-a" "bab3a8adab439728f6b3d9f3183e6796ea225fd303abc8589ad3884f73e204e2", kill_on_drop: false }` [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/algorithms/spellcheck.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | let mut cmp = c.clone_to_front(idx_add); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/algorithms/spellcheck.rs:115:13 [INFO] [stdout] | [INFO] [stdout] 115 | let mut cmp = c.clone_to_front(idx_subtract); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/algorithms/spellcheck.rs:136:17 [INFO] [stdout] | [INFO] [stdout] 136 | let mut cmp = c.clone_to_front(idx_to_clone); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/algorithms/substringsearch.rs:81:18 [INFO] [stdout] | [INFO] [stdout] 81 | pub fn start(&self) -> Search { [INFO] [stdout] | ^^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 81 | pub fn start(&self) -> Search<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling texcraft-stdext v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/algorithms/spellcheck.rs:106:13 [INFO] [stdout] | [INFO] [stdout] 106 | let mut cmp = c.clone_to_front(idx_add); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/algorithms/spellcheck.rs:115:13 [INFO] [stdout] | [INFO] [stdout] 115 | let mut cmp = c.clone_to_front(idx_subtract); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/algorithms/spellcheck.rs:136:17 [INFO] [stdout] | [INFO] [stdout] 136 | let mut cmp = c.clone_to_front(idx_to_clone); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/algorithms/substringsearch.rs:81:18 [INFO] [stdout] | [INFO] [stdout] 81 | pub fn start(&self) -> Search { [INFO] [stdout] | ^^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 81 | pub fn start(&self) -> Search<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 5.37s [INFO] running `Command { std: "docker" "inspect" "bab3a8adab439728f6b3d9f3183e6796ea225fd303abc8589ad3884f73e204e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bab3a8adab439728f6b3d9f3183e6796ea225fd303abc8589ad3884f73e204e2", kill_on_drop: false }` [INFO] [stdout] bab3a8adab439728f6b3d9f3183e6796ea225fd303abc8589ad3884f73e204e2