[INFO] cloning repository https://github.com/sdn0303/taskboard
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sdn0303/taskboard" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdn0303%2Ftaskboard", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdn0303%2Ftaskboard'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2b552fb07fc6f1eb13ef9f9c39331058ad33593
[INFO] checking sdn0303/taskboard against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdn0303%2Ftaskboard" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sdn0303/taskboard on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sdn0303/taskboard
[INFO] finished tweaking git repo https://github.com/sdn0303/taskboard
[INFO] tweaked toml for git repo https://github.com/sdn0303/taskboard written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/sdn0303/taskboard already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86827d098b40a602a7004d0ee217c7dc0ab7132366361e43d0cf86ca4eb77467
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "86827d098b40a602a7004d0ee217c7dc0ab7132366361e43d0cf86ca4eb77467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86827d098b40a602a7004d0ee217c7dc0ab7132366361e43d0cf86ca4eb77467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86827d098b40a602a7004d0ee217c7dc0ab7132366361e43d0cf86ca4eb77467", kill_on_drop: false }`
[INFO] [stdout] 86827d098b40a602a7004d0ee217c7dc0ab7132366361e43d0cf86ca4eb77467
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca9728acebe177e9f50d614434d2c672d9e26652b43a50a91b59161413adc214
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ca9728acebe177e9f50d614434d2c672d9e26652b43a50a91b59161413adc214", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.5
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling base-x v0.2.6
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking fixedbitset v0.3.0
[INFO] [stderr]     Checking cfg-match v0.2.1
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling stdweb v0.4.20
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling yew-macro v0.17.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]    Compiling stdweb-derive v0.5.3
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.9
[INFO] [stderr]     Checking yew-stdweb v0.17.2
[INFO] [stderr]     Checking taskboard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "ca9728acebe177e9f50d614434d2c672d9e26652b43a50a91b59161413adc214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca9728acebe177e9f50d614434d2c672d9e26652b43a50a91b59161413adc214", kill_on_drop: false }`
[INFO] [stdout] ca9728acebe177e9f50d614434d2c672d9e26652b43a50a91b59161413adc214