[INFO] fetching crate mine_sweeper 0.2.2...
[INFO] checking mine_sweeper-0.2.2 against master#1280928a99ad3ef2c5735b42dc8852456ae3b974 for pr-120798
[INFO] extracting crate mine_sweeper 0.2.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate mine_sweeper 0.2.2 on toolchain 1280928a99ad3ef2c5735b42dc8852456ae3b974
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mine_sweeper 0.2.2
[INFO] finished tweaking crates.io crate mine_sweeper 0.2.2
[INFO] tweaked toml for crates.io crate mine_sweeper 0.2.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "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" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "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 array-macro v1.0.5
[INFO] [stderr]   Downloaded hashbrown v0.2.2
[INFO] [stderr]   Downloaded enumset_derive v0.3.2
[INFO] [stderr]   Downloaded enumset v0.3.19
[INFO] [stderr]   Downloaded xi-unicode v0.1.0
[INFO] [stderr]   Downloaded enum-map-derive v0.4.6
[INFO] [stderr]   Downloaded enum-map v0.5.0
[INFO] [stderr]   Downloaded enum-map-internals v0.1.2
[INFO] [stderr]   Downloaded cursive v0.11.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e825d980ecc0e707488601809dbf0065a7564b2dc8c1b5b7fe6c84ca3253ddda
[INFO] running `Command { std: "docker" "start" "-a" "e825d980ecc0e707488601809dbf0065a7564b2dc8c1b5b7fe6c84ca3253ddda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e825d980ecc0e707488601809dbf0065a7564b2dc8c1b5b7fe6c84ca3253ddda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e825d980ecc0e707488601809dbf0065a7564b2dc8c1b5b7fe6c84ca3253ddda", kill_on_drop: false }`
[INFO] [stdout] e825d980ecc0e707488601809dbf0065a7564b2dc8c1b5b7fe6c84ca3253ddda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5dd2cfbc0e289776c4c828d7082687e92e2fa555f15770a795b08fd70dc03a06
[INFO] running `Command { std: "docker" "start" "-a" "5dd2cfbc0e289776c4c828d7082687e92e2fa555f15770a795b08fd70dc03a06", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]     Checking array-macro v1.0.5
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling enumset_derive v0.3.2
[INFO] [stderr]     Checking enum-map-internals v0.1.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking hashbrown v0.2.2
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking chrono v0.4.33
[INFO] [stderr]     Checking enumset v0.3.19
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling enum-map-derive v0.4.6
[INFO] [stderr]     Checking enum-map v0.5.0
[INFO] [stderr]     Checking cursive v0.11.2
[INFO] [stderr]     Checking mine_sweeper v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `Command { std: "docker" "inspect" "5dd2cfbc0e289776c4c828d7082687e92e2fa555f15770a795b08fd70dc03a06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dd2cfbc0e289776c4c828d7082687e92e2fa555f15770a795b08fd70dc03a06", kill_on_drop: false }`
[INFO] [stdout] 5dd2cfbc0e289776c4c828d7082687e92e2fa555f15770a795b08fd70dc03a06