[INFO] fetching crate minus 4.0.2... [INFO] checking minus-4.0.2 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141 [INFO] extracting crate minus 4.0.2 into /workspace/builds/worker-67/source [INFO] validating manifest of crates.io crate minus 4.0.2 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate minus 4.0.2 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate minus 4.0.2 [INFO] tweaked toml for crates.io crate minus 4.0.2 written to /workspace/builds/worker-67/source/Cargo.toml [INFO] crate crates.io crate minus 4.0.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dbb48cc9cb1864988f6321a8603e8e58ab059181798c98ddc0959351dd15626d [INFO] running `Command { std: "docker" "start" "-a" "dbb48cc9cb1864988f6321a8603e8e58ab059181798c98ddc0959351dd15626d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dbb48cc9cb1864988f6321a8603e8e58ab059181798c98ddc0959351dd15626d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dbb48cc9cb1864988f6321a8603e8e58ab059181798c98ddc0959351dd15626d", kill_on_drop: false }` [INFO] [stdout] dbb48cc9cb1864988f6321a8603e8e58ab059181798c98ddc0959351dd15626d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 60b55a37af4b0966ba70c1b5fde30d04b86bf8cbff431b9011067730bd3eb110 [INFO] running `Command { std: "docker" "start" "-a" "60b55a37af4b0966ba70c1b5fde30d04b86bf8cbff431b9011067730bd3eb110", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling libc v0.2.99 [INFO] [stderr] Compiling futures-core v0.3.16 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking futures-io v0.3.16 [INFO] [stderr] Checking cache-padded v1.1.1 [INFO] [stderr] Checking slab v0.4.4 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking fastrand v1.5.0 [INFO] [stderr] Checking event-listener v2.5.1 [INFO] [stderr] Compiling futures-task v0.3.16 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Compiling signal-hook v0.3.9 [INFO] [stderr] Compiling futures-channel v0.3.16 [INFO] [stderr] Checking async-task v4.0.3 [INFO] [stderr] Checking futures-sink v0.3.16 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking atomic-waker v1.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.7 [INFO] [stderr] Compiling futures-macro v0.3.16 [INFO] [stderr] Compiling futures-util v0.3.16 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Compiling tokio v1.10.0 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking async-mutex v1.4.0 [INFO] [stderr] Checking async-lock v2.4.0 [INFO] [stderr] Checking textwrap v0.13.4 [INFO] [stderr] Checking async-channel v1.6.1 [INFO] [stderr] Checking futures-lite v1.12.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking socket2 v0.4.1 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking async-executor v1.4.1 [INFO] [stderr] Checking blocking v1.0.2 [INFO] [stderr] Compiling ctor v0.1.20 [INFO] [stderr] Compiling thiserror-impl v1.0.26 [INFO] [stderr] Compiling async-attributes v1.1.2 [INFO] [stderr] Compiling tokio-macros v1.3.0 [INFO] [stderr] Checking thiserror v1.0.26 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking polling v2.1.0 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking async-io v1.6.0 [INFO] [stderr] Checking signal-hook-mio v0.2.1 [INFO] [stderr] Checking crossterm v0.20.0 [INFO] [stderr] Checking async-global-executor v2.0.2 [INFO] [stderr] Checking async-std v1.9.0 [INFO] [stderr] Checking minus v4.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/utils/ev_handler.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | mut out: &mut Stdout, [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] Checking futures-executor v0.3.16 [INFO] [stderr] Checking futures v0.3.16 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/utils/ev_handler.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | mut out: &mut Stdout, [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 21.33s [INFO] running `Command { std: "docker" "inspect" "60b55a37af4b0966ba70c1b5fde30d04b86bf8cbff431b9011067730bd3eb110", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60b55a37af4b0966ba70c1b5fde30d04b86bf8cbff431b9011067730bd3eb110", kill_on_drop: false }` [INFO] [stdout] 60b55a37af4b0966ba70c1b5fde30d04b86bf8cbff431b9011067730bd3eb110