[INFO] fetching crate big-o-test 0.2.7...
[INFO] checking big-o-test-0.2.7 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate big-o-test 0.2.7 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate big-o-test 0.2.7 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate big-o-test 0.2.7
[INFO] finished tweaking crates.io crate big-o-test 0.2.7
[INFO] tweaked toml for crates.io crate big-o-test 0.2.7 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dashmap v5.5.3
[INFO] [stderr]   Downloaded serial_test v2.0.0
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.9
[INFO] [stderr]   Downloaded serial_test_derive v2.0.0
[INFO] [stderr]   Downloaded spin_sleep v1.1.1
[INFO] [stderr]   Downloaded ctor v0.2.6
[INFO] [stderr]   Downloaded tokio v1.35.1
[INFO] [stderr]   Downloaded keen-retry v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35d96caf6a827138da6aedffc8002f3d65d71750642099ff176677cd8d9cacdf
[INFO] running `Command { std: "docker" "start" "-a" "35d96caf6a827138da6aedffc8002f3d65d71750642099ff176677cd8d9cacdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35d96caf6a827138da6aedffc8002f3d65d71750642099ff176677cd8d9cacdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35d96caf6a827138da6aedffc8002f3d65d71750642099ff176677cd8d9cacdf", kill_on_drop: false }`
[INFO] [stdout] 35d96caf6a827138da6aedffc8002f3d65d71750642099ff176677cd8d9cacdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25e012f5cc584c2789561650bf61f0d2d2ac74f34ca5d6cc9a5fabd905ed5035
[INFO] running `Command { std: "docker" "start" "-a" "25e012f5cc584c2789561650bf61f0d2d2ac74f34ca5d6cc9a5fabd905ed5035", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling syn v2.0.42
[INFO] [stderr]     Checking crossbeam-queue v0.3.9
[INFO] [stderr]     Checking crossbeam-channel v0.5.9
[INFO] [stderr]     Checking spin_sleep v1.1.1
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking futures-channel v0.3.29
[INFO] [stderr]     Checking crossbeam-epoch v0.9.16
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.4
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serial_test_derive v2.0.0
[INFO] [stderr]    Compiling ctor v0.2.6
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking futures-util v0.3.29
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking serial_test v2.0.0
[INFO] [stderr]     Checking keen-retry v0.3.2
[INFO] [stderr]     Checking big-o-test v0.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/runners/standard.rs:62:22
[INFO] [stdout]    |
[INFO] [stdout] 62 |                      mut reset_fn:              &mut impl FnMut(),
[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/runners/standard.rs:62:22
[INFO] [stdout]    |
[INFO] [stdout] 62 |                      mut reset_fn:              &mut impl FnMut(),
[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 7.62s
[INFO] running `Command { std: "docker" "inspect" "25e012f5cc584c2789561650bf61f0d2d2ac74f34ca5d6cc9a5fabd905ed5035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25e012f5cc584c2789561650bf61f0d2d2ac74f34ca5d6cc9a5fabd905ed5035", kill_on_drop: false }`
[INFO] [stdout] 25e012f5cc584c2789561650bf61f0d2d2ac74f34ca5d6cc9a5fabd905ed5035
