[INFO] cloning repository https://github.com/filcuc/thumbnailer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/filcuc/thumbnailer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffilcuc%2Fthumbnailer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffilcuc%2Fthumbnailer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccd8bf8e8da8d0c5d93debca5efca302a62f5f06
[INFO] checking filcuc/thumbnailer against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffilcuc%2Fthumbnailer" "/workspace/builds/worker-84/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-84/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/filcuc/thumbnailer on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/filcuc/thumbnailer
[INFO] finished tweaking git repo https://github.com/filcuc/thumbnailer
[INFO] tweaked toml for git repo https://github.com/filcuc/thumbnailer written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] crate git repo https://github.com/filcuc/thumbnailer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 609042e0abbf2930afe6786e872e6a05eac690a430df72d504c2b778f7fa3442
[INFO] running `Command { std: "docker" "start" "-a" "609042e0abbf2930afe6786e872e6a05eac690a430df72d504c2b778f7fa3442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "609042e0abbf2930afe6786e872e6a05eac690a430df72d504c2b778f7fa3442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "609042e0abbf2930afe6786e872e6a05eac690a430df72d504c2b778f7fa3442", kill_on_drop: false }`
[INFO] [stdout] 609042e0abbf2930afe6786e872e6a05eac690a430df72d504c2b778f7fa3442
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db6bf6b2ee276728757ee14ca94141fa13f83253e6c984c19f9db29a38068374
[INFO] running `Command { std: "docker" "start" "-a" "db6bf6b2ee276728757ee14ca94141fa13f83253e6c984c19f9db29a38068374", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]    Compiling syn v1.0.9
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking strsim v0.9.2
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking shellexpand v1.0.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking tiff v0.5.0
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking png v0.16.5
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking rayon v1.2.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.19
[INFO] [stderr]     Checking ctrlc v3.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]     Checking image v0.23.6
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking thumbnailer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.42s
[INFO] running `Command { std: "docker" "inspect" "db6bf6b2ee276728757ee14ca94141fa13f83253e6c984c19f9db29a38068374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db6bf6b2ee276728757ee14ca94141fa13f83253e6c984c19f9db29a38068374", kill_on_drop: false }`
[INFO] [stdout] db6bf6b2ee276728757ee14ca94141fa13f83253e6c984c19f9db29a38068374