[INFO] fetching crate patrol 0.3.0...
[INFO] testing patrol-0.3.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate patrol 0.3.0 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate patrol 0.3.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate patrol 0.3.0
[INFO] finished tweaking crates.io crate patrol 0.3.0
[INFO] tweaked toml for crates.io crate patrol 0.3.0 written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d71e972c64e2d21e17da6cdcf2df8726f38d25e9c58b730e3c16535072cb30c
[INFO] running `Command { std: "docker" "start" "-a" "9d71e972c64e2d21e17da6cdcf2df8726f38d25e9c58b730e3c16535072cb30c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d71e972c64e2d21e17da6cdcf2df8726f38d25e9c58b730e3c16535072cb30c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d71e972c64e2d21e17da6cdcf2df8726f38d25e9c58b730e3c16535072cb30c", kill_on_drop: false }`
[INFO] [stdout] 9d71e972c64e2d21e17da6cdcf2df8726f38d25e9c58b730e3c16535072cb30c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dbffb02c385c9602780e937024cceacbec01684051e8913be3d9618faf7eac2
[INFO] running `Command { std: "docker" "start" "-a" "2dbffb02c385c9602780e937024cceacbec01684051e8913be3d9618faf7eac2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling inotify v0.3.0
[INFO] [stderr]    Compiling patrol v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |             let mut files = files.entry(*wd).or_insert_with(|| {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `Command { std: "docker" "inspect" "2dbffb02c385c9602780e937024cceacbec01684051e8913be3d9618faf7eac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dbffb02c385c9602780e937024cceacbec01684051e8913be3d9618faf7eac2", kill_on_drop: false }`
[INFO] [stdout] 2dbffb02c385c9602780e937024cceacbec01684051e8913be3d9618faf7eac2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5a20c9d1c5129f8f93cafcd173fbca0925138540b2e558877c5c728dcb03aa2
[INFO] running `Command { std: "docker" "start" "-a" "d5a20c9d1c5129f8f93cafcd173fbca0925138540b2e558877c5c728dcb03aa2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling patrol v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |             let mut files = files.entry(*wd).or_insert_with(|| {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |             let mut files = files.entry(*wd).or_insert_with(|| {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.64s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/patrol-2274bae9538c2cc5)
[INFO] running `Command { std: "docker" "inspect" "d5a20c9d1c5129f8f93cafcd173fbca0925138540b2e558877c5c728dcb03aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5a20c9d1c5129f8f93cafcd173fbca0925138540b2e558877c5c728dcb03aa2", kill_on_drop: false }`
[INFO] [stdout] d5a20c9d1c5129f8f93cafcd173fbca0925138540b2e558877c5c728dcb03aa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b0b09528a0addfabe8151ecf7591d4d1cb288200f5f932236843bce45b1b2cfc
[INFO] running `Command { std: "docker" "start" "-a" "b0b09528a0addfabe8151ecf7591d4d1cb288200f5f932236843bce45b1b2cfc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |             let mut files = files.entry(*wd).or_insert_with(|| {
[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: `patrol` (lib) generated 1 warning
[INFO] [stderr] warning: `patrol` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.94s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/patrol-2274bae9538c2cc5)
[INFO] [stderr]    Doc-tests patrol
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b0b09528a0addfabe8151ecf7591d4d1cb288200f5f932236843bce45b1b2cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0b09528a0addfabe8151ecf7591d4d1cb288200f5f932236843bce45b1b2cfc", kill_on_drop: false }`
[INFO] [stdout] b0b09528a0addfabe8151ecf7591d4d1cb288200f5f932236843bce45b1b2cfc