[INFO] fetching crate file2png 0.1.1...
[INFO] checking file2png-0.1.1 against master#18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb for pr-96970
[INFO] extracting crate file2png 0.1.1 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate file2png 0.1.1 on toolchain 18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate file2png 0.1.1
[INFO] finished tweaking crates.io crate file2png 0.1.1
[INFO] tweaked toml for crates.io crate file2png 0.1.1 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate crates.io crate file2png 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded argh v0.1.5
[INFO] [stderr]   Downloaded argh_shared v0.1.5
[INFO] [stderr]   Downloaded argh_derive v0.1.5
[INFO] [stderr]   Downloaded libc v0.2.99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 429901bb5baab9fddaadc65076f9f689d5301ab4c04f12f0aca1bbe951983dcf
[INFO] running `Command { std: "docker" "start" "-a" "429901bb5baab9fddaadc65076f9f689d5301ab4c04f12f0aca1bbe951983dcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "429901bb5baab9fddaadc65076f9f689d5301ab4c04f12f0aca1bbe951983dcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "429901bb5baab9fddaadc65076f9f689d5301ab4c04f12f0aca1bbe951983dcf", kill_on_drop: false }`
[INFO] [stdout] 429901bb5baab9fddaadc65076f9f689d5301ab4c04f12f0aca1bbe951983dcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 103cb6d04cbecb7d9c3c2de71fabad63ec65d6d62d304f7a27df5d3b96da8970
[INFO] running `Command { std: "docker" "start" "-a" "103cb6d04cbecb7d9c3c2de71fabad63ec65d6d62d304f7a27df5d3b96da8970", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling argh_shared v0.1.5
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking regress v0.4.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]    Compiling argh_derive v0.1.5
[INFO] [stderr]     Checking argh v0.1.5
[INFO] [stderr]     Checking file2png v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.37s
[INFO] running `Command { std: "docker" "inspect" "103cb6d04cbecb7d9c3c2de71fabad63ec65d6d62d304f7a27df5d3b96da8970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "103cb6d04cbecb7d9c3c2de71fabad63ec65d6d62d304f7a27df5d3b96da8970", kill_on_drop: false }`
[INFO] [stdout] 103cb6d04cbecb7d9c3c2de71fabad63ec65d6d62d304f7a27df5d3b96da8970