[INFO] fetching crate at51 0.4.2...
[INFO] checking at51-0.4.2 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate at51 0.4.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate at51 0.4.2 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate at51 0.4.2
[INFO] finished tweaking crates.io crate at51 0.4.2
[INFO] tweaked toml for crates.io crate at51 0.4.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate at51 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c63dcc1130d8e4da0ebd9a5617d4ec0e59181e57e8c5e1bc56a7c8da2c763db
[INFO] running `Command { std: "docker" "start" "-a" "4c63dcc1130d8e4da0ebd9a5617d4ec0e59181e57e8c5e1bc56a7c8da2c763db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c63dcc1130d8e4da0ebd9a5617d4ec0e59181e57e8c5e1bc56a7c8da2c763db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c63dcc1130d8e4da0ebd9a5617d4ec0e59181e57e8c5e1bc56a7c8da2c763db", kill_on_drop: false }`
[INFO] [stdout] 4c63dcc1130d8e4da0ebd9a5617d4ec0e59181e57e8c5e1bc56a7c8da2c763db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b8f8efd9b609f79b7f5cc94ce3e3af5c68f2ef983df9d7c2d314639ee615c22
[INFO] running `Command { std: "docker" "start" "-a" "6b8f8efd9b609f79b7f5cc94ce3e3af5c68f2ef983df9d7c2d314639ee615c22", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ar v0.8.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking primal-check v0.3.1
[INFO] [stderr]     Checking transpose v0.2.1
[INFO] [stderr]     Checking rustfft v6.0.1
[INFO] [stderr]     Checking at51 v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.78s
[INFO] running `Command { std: "docker" "inspect" "6b8f8efd9b609f79b7f5cc94ce3e3af5c68f2ef983df9d7c2d314639ee615c22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b8f8efd9b609f79b7f5cc94ce3e3af5c68f2ef983df9d7c2d314639ee615c22", kill_on_drop: false }`
[INFO] [stdout] 6b8f8efd9b609f79b7f5cc94ce3e3af5c68f2ef983df9d7c2d314639ee615c22