[INFO] fetching crate rs-collections 0.1.9... [INFO] checking rs-collections-0.1.9 against master#8a703520e80d87d4423c01f9d4fbc9e5f6533a02 for pr-154205-1 [INFO] extracting crate rs-collections 0.1.9 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate rs-collections 0.1.9 [INFO] finished tweaking crates.io crate rs-collections 0.1.9 [INFO] tweaked toml for crates.io crate rs-collections 0.1.9 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate rs-collections 0.1.9 on toolchain 8a703520e80d87d4423c01f9d4fbc9e5f6533a02 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "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" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 4 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cfg-if v0.1.10 [INFO] [stderr] Downloaded rs-mem v0.2.6 [INFO] [stderr] Downloaded rs-ctypes v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d7cafcaa53ea84f1765d9d1549f965dcbd87f918308f011d5e78ecad0f52aa3f [INFO] running `Command { std: "docker" "start" "-a" "d7cafcaa53ea84f1765d9d1549f965dcbd87f918308f011d5e78ecad0f52aa3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d7cafcaa53ea84f1765d9d1549f965dcbd87f918308f011d5e78ecad0f52aa3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7cafcaa53ea84f1765d9d1549f965dcbd87f918308f011d5e78ecad0f52aa3f", kill_on_drop: false }` [INFO] [stdout] d7cafcaa53ea84f1765d9d1549f965dcbd87f918308f011d5e78ecad0f52aa3f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5ab79f1dbf3e87f0bf41e22b2f2909ab4b1b573424b973bbf551ab175230e292 [INFO] running `Command { std: "docker" "start" "-a" "5ab79f1dbf3e87f0bf41e22b2f2909ab4b1b573424b973bbf551ab175230e292", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.183 [INFO] [stderr] Checking rs-ctypes v0.1.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking rs-mem v0.2.6 [INFO] [stderr] Checking rs-collections v0.1.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/hashmap.rs:84:17 [INFO] [stdout] | [INFO] [stdout] 84 | let mut e = &mut entries[index as usize]; [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: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/vec.rs:135:17 [INFO] [stdout] | [INFO] [stdout] 135 | pub fn iter(&self) -> slice::Iter { [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] 135 | pub fn iter(&self) -> slice::Iter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/vec.rs:139:21 [INFO] [stdout] | [INFO] [stdout] 139 | pub fn iter_mut(&mut self) -> slice::IterMut { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 139 | pub fn iter_mut(&mut self) -> slice::IterMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/hashmap.rs:84:17 [INFO] [stdout] | [INFO] [stdout] 84 | let mut e = &mut entries[index as usize]; [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: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/vec.rs:135:17 [INFO] [stdout] | [INFO] [stdout] 135 | pub fn iter(&self) -> slice::Iter { [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] 135 | pub fn iter(&self) -> slice::Iter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/vec.rs:139:21 [INFO] [stdout] | [INFO] [stdout] 139 | pub fn iter_mut(&mut self) -> slice::IterMut { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 139 | pub fn iter_mut(&mut self) -> slice::IterMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.03s [INFO] running `Command { std: "docker" "inspect" "5ab79f1dbf3e87f0bf41e22b2f2909ab4b1b573424b973bbf551ab175230e292", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ab79f1dbf3e87f0bf41e22b2f2909ab4b1b573424b973bbf551ab175230e292", kill_on_drop: false }` [INFO] [stdout] 5ab79f1dbf3e87f0bf41e22b2f2909ab4b1b573424b973bbf551ab175230e292