[INFO] fetching crate arcstr 1.2.0...
[INFO] checking arcstr-1.2.0 against master#8549802939cd01111c46e34a7b67cb1933977af9 for pr-132712
[INFO] extracting crate arcstr 1.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate arcstr 1.2.0 on toolchain 8549802939cd01111c46e34a7b67cb1933977af9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arcstr 1.2.0
[INFO] finished tweaking crates.io crate arcstr 1.2.0
[INFO] tweaked toml for crates.io crate arcstr 1.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 53 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.214
[INFO] [stderr]   Downloaded serde_test v1.0.177
[INFO] [stderr]   Downloaded matchers v0.1.0
[INFO] [stderr]   Downloaded tracing-log v0.2.0
[INFO] [stderr]   Downloaded rustversion v1.0.18
[INFO] [stderr]   Downloaded windows-implement v0.58.0
[INFO] [stderr]   Downloaded generator v0.8.3
[INFO] [stderr]   Downloaded windows-core v0.58.0
[INFO] [stderr]   Downloaded loom v0.7.2
[INFO] [stderr]   Downloaded nu-ansi-term v0.46.0
[INFO] [stderr]   Downloaded regex-automata v0.1.10
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.18
[INFO] [stderr]   Downloaded sharded-slab v0.1.7
[INFO] [stderr]   Downloaded windows-interface v0.58.0
[INFO] [stderr]   Downloaded windows-result v0.2.0
[INFO] [stderr]   Downloaded windows-strings v0.1.0
[INFO] [stderr]   Downloaded overload v0.1.1
[INFO] [stderr]   Downloaded thread_local v1.1.8
[INFO] [stderr]   Downloaded valuable v0.1.0
[INFO] [stderr]   Downloaded regex v1.11.1
[INFO] [stderr]   Downloaded scoped-tls v1.0.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.29
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded windows v0.58.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a64fc9f9b27585387ccf053925773294ca0ed1b45ef1efa447e7498b175f39a
[INFO] running `Command { std: "docker" "start" "-a" "2a64fc9f9b27585387ccf053925773294ca0ed1b45ef1efa447e7498b175f39a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a64fc9f9b27585387ccf053925773294ca0ed1b45ef1efa447e7498b175f39a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a64fc9f9b27585387ccf053925773294ca0ed1b45ef1efa447e7498b175f39a", kill_on_drop: false }`
[INFO] [stdout] 2a64fc9f9b27585387ccf053925773294ca0ed1b45ef1efa447e7498b175f39a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a5de0f4edf1358b95b64203790b7eeb0c2a009d2c23049fe82e86dbc418e293
[INFO] running `Command { std: "docker" "start" "-a" "8a5de0f4edf1358b95b64203790b7eeb0c2a009d2c23049fe82e86dbc418e293", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.214
[INFO] [stderr]     Checking arcstr v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_test v1.0.177
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "8a5de0f4edf1358b95b64203790b7eeb0c2a009d2c23049fe82e86dbc418e293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a5de0f4edf1358b95b64203790b7eeb0c2a009d2c23049fe82e86dbc418e293", kill_on_drop: false }`
[INFO] [stdout] 8a5de0f4edf1358b95b64203790b7eeb0c2a009d2c23049fe82e86dbc418e293