[INFO] fetching crate darkroom 0.7.1...
[INFO] checking darkroom-0.7.1 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate darkroom 0.7.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate darkroom 0.7.1 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate darkroom 0.7.1
[INFO] finished tweaking crates.io crate darkroom 0.7.1
[INFO] tweaked toml for crates.io crate darkroom 0.7.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate darkroom 0.7.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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] 6d81362eb808be814dbaeb6e59ab1c0d51bb8cdddf6eeffc7b2a9f9e30411c83
[INFO] running `Command { std: "docker" "start" "-a" "6d81362eb808be814dbaeb6e59ab1c0d51bb8cdddf6eeffc7b2a9f9e30411c83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d81362eb808be814dbaeb6e59ab1c0d51bb8cdddf6eeffc7b2a9f9e30411c83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d81362eb808be814dbaeb6e59ab1c0d51bb8cdddf6eeffc7b2a9f9e30411c83", kill_on_drop: false }`
[INFO] [stdout] 6d81362eb808be814dbaeb6e59ab1c0d51bb8cdddf6eeffc7b2a9f9e30411c83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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] fc662dceccd1a8f9aaac6e0e0aaf335d9b082516006c6fa8952a62a17b93882e
[INFO] running `Command { std: "docker" "start" "-a" "fc662dceccd1a8f9aaac6e0e0aaf335d9b082516006c6fa8952a62a17b93882e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling cargho_shared v0.1.6
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking shell-words v1.0.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v1.7.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking pretty_assertions v0.7.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking encoding_rs v0.8.28
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking which v4.1.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking env_proxy v0.4.1
[INFO] [stderr]     Checking colored-diff v0.2.2
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]     Checking ordered-float v2.5.1
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling onig_sys v69.7.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling rstest v0.10.0
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking fancy-regex v0.3.5
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]    Compiling mdcat v0.22.4
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking onig v6.2.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking rustls-native-certs v0.5.0
[INFO] [stderr]     Checking ureq v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]    Compiling cargho_derive v0.1.6
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking hyper v0.14.9
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking minus v3.4.0
[INFO] [stderr]     Checking cargho v0.1.7
[INFO] [stderr]     Checking fehler v1.0.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking plist v1.1.0
[INFO] [stderr]     Checking serde-hashkey v0.4.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking filmreel v0.6.1
[INFO] [stderr]     Checking colored_json v2.1.0
[INFO] [stderr]     Checking reqwest v0.11.4
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking syntect v4.5.0
[INFO] [stderr]     Checking darkroom v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 29s
[INFO] running `Command { std: "docker" "inspect" "fc662dceccd1a8f9aaac6e0e0aaf335d9b082516006c6fa8952a62a17b93882e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc662dceccd1a8f9aaac6e0e0aaf335d9b082516006c6fa8952a62a17b93882e", kill_on_drop: false }`
[INFO] [stdout] fc662dceccd1a8f9aaac6e0e0aaf335d9b082516006c6fa8952a62a17b93882e