[INFO] fetching crate big-o-test 0.2.7... [INFO] checking big-o-test-0.2.7 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate big-o-test 0.2.7 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate big-o-test 0.2.7 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 84 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding keen-retry v0.3.2 (latest: v0.4.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding serial_test v2.0.0 (latest: v3.0.0) [INFO] [stderr] Adding serial_test_derive v2.0.0 (latest: v3.0.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serial_test_derive v2.0.0 [INFO] [stderr] Downloaded spin_sleep v1.2.0 [INFO] [stderr] Downloaded ctor v0.2.7 [INFO] [stderr] Downloaded serial_test v2.0.0 [INFO] [stderr] Downloaded keen-retry v0.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1446bf4de0b7aa6fe728c891da57fd34d8827b13dde30ad6649913fc764148ff [INFO] running `Command { std: "docker" "start" "-a" "1446bf4de0b7aa6fe728c891da57fd34d8827b13dde30ad6649913fc764148ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1446bf4de0b7aa6fe728c891da57fd34d8827b13dde30ad6649913fc764148ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1446bf4de0b7aa6fe728c891da57fd34d8827b13dde30ad6649913fc764148ff", kill_on_drop: false }` [INFO] [stdout] 1446bf4de0b7aa6fe728c891da57fd34d8827b13dde30ad6649913fc764148ff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4604ad0071d68b06f7c7ab1a33e28ecb7268aa3a01bad0a613756154176db7d0 [INFO] running `Command { std: "docker" "start" "-a" "4604ad0071d68b06f7c7ab1a33e28ecb7268aa3a01bad0a613756154176db7d0", kill_on_drop: false }` [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking socket2 v0.5.6 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking bytes v1.6.0 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking spin_sleep v1.2.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking crossbeam-queue v0.3.11 [INFO] [stderr] Checking crossbeam-channel v0.5.12 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking dashmap v5.5.3 [INFO] [stderr] Checking crossbeam v0.8.4 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling serial_test_derive v2.0.0 [INFO] [stderr] Compiling ctor v0.2.7 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [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: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/runners/crud.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | convert::TryInto, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/runners/crud.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | convert::TryInto, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `BigOAlgorithmComplexity` is imported redundantly [INFO] [stdout] --> src/low_level_analysis/low_level_analysis.rs:86:17 [INFO] [stdout] | [INFO] [stdout] 80 | use super::*; [INFO] [stdout] | -------- the item `BigOAlgorithmComplexity` is already imported here [INFO] [stdout] ... [INFO] [stdout] 86 | BigOAlgorithmComplexity, BigOAlgorithmAnalysis, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [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: 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.59s [INFO] running `Command { std: "docker" "inspect" "4604ad0071d68b06f7c7ab1a33e28ecb7268aa3a01bad0a613756154176db7d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4604ad0071d68b06f7c7ab1a33e28ecb7268aa3a01bad0a613756154176db7d0", kill_on_drop: false }` [INFO] [stdout] 4604ad0071d68b06f7c7ab1a33e28ecb7268aa3a01bad0a613756154176db7d0