[INFO] fetching crate reef 0.0.79...
[INFO] checking reef-0.0.79 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate reef 0.0.79 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate reef 0.0.79 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 reef 0.0.79
[INFO] finished tweaking crates.io crate reef 0.0.79
[INFO] tweaked toml for crates.io crate reef 0.0.79 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate reef 0.0.79 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7284b96e80b3de7f681d05f1edf7b839c7e31c1642d068148002cce240afcc5d
[INFO] running `Command { std: "docker" "start" "-a" "7284b96e80b3de7f681d05f1edf7b839c7e31c1642d068148002cce240afcc5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7284b96e80b3de7f681d05f1edf7b839c7e31c1642d068148002cce240afcc5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7284b96e80b3de7f681d05f1edf7b839c7e31c1642d068148002cce240afcc5d", kill_on_drop: false }`
[INFO] [stdout] 7284b96e80b3de7f681d05f1edf7b839c7e31c1642d068148002cce240afcc5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fdb68c8078e62779aa48cb930d67fea02d3091730c7dafdb48181ef41c2c5901
[INFO] running `Command { std: "docker" "start" "-a" "fdb68c8078e62779aa48cb930d67fea02d3091730c7dafdb48181ef41c2c5901", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking whoami v1.0.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking fern v0.6.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking terminal_size v0.1.15
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking directories v3.0.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking universal-hash v0.3.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking aead v0.2.0
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking chacha20 v0.3.4
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking polyval v0.3.3
[INFO] [stderr]     Checking poly1305 v0.5.2
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking chacha20poly1305 v0.4.1
[INFO] [stderr]     Checking ghash v0.2.3
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking aes-gcm v0.5.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking cocoon v0.2.2
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking assert_cmd v1.0.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking reef v0.0.79 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "fdb68c8078e62779aa48cb930d67fea02d3091730c7dafdb48181ef41c2c5901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdb68c8078e62779aa48cb930d67fea02d3091730c7dafdb48181ef41c2c5901", kill_on_drop: false }`
[INFO] [stdout] fdb68c8078e62779aa48cb930d67fea02d3091730c7dafdb48181ef41c2c5901