[INFO] cloning repository https://github.com/Rexagon/packer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rexagon/packer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRexagon%2Fpacker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRexagon%2Fpacker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9883df390d45aa3627595613b20281306a7b3366
[INFO] checking Rexagon/packer against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRexagon%2Fpacker" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rexagon/packer on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Rexagon/packer
[INFO] finished tweaking git repo https://github.com/Rexagon/packer
[INFO] tweaked toml for git repo https://github.com/Rexagon/packer written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Rexagon/packer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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 ignore v0.4.7
[INFO] [stderr]   Downloaded libflate v0.1.23
[INFO] [stderr]   Downloaded bstr v0.1.4
[INFO] [stderr]   Downloaded globset v0.4.3
[INFO] [stderr]   Downloaded globwalk v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e396106fe4a91bfbb4a9689ae514a974be03643cc10d0a658c689a9477f9e466
[INFO] running `Command { std: "docker" "start" "-a" "e396106fe4a91bfbb4a9689ae514a974be03643cc10d0a658c689a9477f9e466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e396106fe4a91bfbb4a9689ae514a974be03643cc10d0a658c689a9477f9e466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e396106fe4a91bfbb4a9689ae514a974be03643cc10d0a658c689a9477f9e466", kill_on_drop: false }`
[INFO] [stdout] e396106fe4a91bfbb4a9689ae514a974be03643cc10d0a658c689a9477f9e466
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11013bf42f8141a1311954aebd1522a35341dd1c3bcffcab3d5e6377f70f23d7
[INFO] running `Command { std: "docker" "start" "-a" "11013bf42f8141a1311954aebd1522a35341dd1c3bcffcab3d5e6377f70f23d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking path-slash v0.1.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.6.7
[INFO] [stderr]     Checking walkdir v2.2.8
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking bstr v0.1.4
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking libflate v0.1.23
[INFO] [stderr]     Checking regex v1.1.7
[INFO] [stderr]     Checking globset v0.4.3
[INFO] [stderr]     Checking ignore v0.4.7
[INFO] [stderr]     Checking globwalk v0.7.1
[INFO] [stderr]     Checking packer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.92s
[INFO] running `Command { std: "docker" "inspect" "11013bf42f8141a1311954aebd1522a35341dd1c3bcffcab3d5e6377f70f23d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11013bf42f8141a1311954aebd1522a35341dd1c3bcffcab3d5e6377f70f23d7", kill_on_drop: false }`
[INFO] [stdout] 11013bf42f8141a1311954aebd1522a35341dd1c3bcffcab3d5e6377f70f23d7