[INFO] cloning repository https://github.com/abdielbytes/rust-tasks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abdielbytes/rust-tasks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabdielbytes%2Frust-tasks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabdielbytes%2Frust-tasks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9385f2bcad03ca92bd511298f81087b01075b6ad
[INFO] checking abdielbytes/rust-tasks against try#802c9b5f98c16ec9d24cdfd517f740f1f3df0e29 for pr-137728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabdielbytes%2Frust-tasks" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/abdielbytes/rust-tasks on toolchain 802c9b5f98c16ec9d24cdfd517f740f1f3df0e29
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/abdielbytes/rust-tasks
[INFO] finished tweaking git repo https://github.com/abdielbytes/rust-tasks
[INFO] tweaked toml for git repo https://github.com/abdielbytes/rust-tasks written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/abdielbytes/rust-tasks already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72614a39539d65ccdb92066f983e4c56b94ac2cf5847eecd013787f0b7f6f811
[INFO] running `Command { std: "docker" "start" "-a" "72614a39539d65ccdb92066f983e4c56b94ac2cf5847eecd013787f0b7f6f811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72614a39539d65ccdb92066f983e4c56b94ac2cf5847eecd013787f0b7f6f811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72614a39539d65ccdb92066f983e4c56b94ac2cf5847eecd013787f0b7f6f811", kill_on_drop: false }`
[INFO] [stdout] 72614a39539d65ccdb92066f983e4c56b94ac2cf5847eecd013787f0b7f6f811
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+802c9b5f98c16ec9d24cdfd517f740f1f3df0e29" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52d89ee7d96f9d2386292b8d017dd069b9c3830d05e3e02c934ab8f9a277c5a8
[INFO] running `Command { std: "docker" "start" "-a" "52d89ee7d96f9d2386292b8d017dd069b9c3830d05e3e02c934ab8f9a277c5a8", kill_on_drop: false }`
[INFO] [stderr]     Checking tasks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "52d89ee7d96f9d2386292b8d017dd069b9c3830d05e3e02c934ab8f9a277c5a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52d89ee7d96f9d2386292b8d017dd069b9c3830d05e3e02c934ab8f9a277c5a8", kill_on_drop: false }`
[INFO] [stdout] 52d89ee7d96f9d2386292b8d017dd069b9c3830d05e3e02c934ab8f9a277c5a8