[INFO] fetching crate project_manager 0.1.2...
[INFO] checking project_manager-0.1.2 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate project_manager 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate project_manager 0.1.2 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate project_manager 0.1.2
[INFO] finished tweaking crates.io crate project_manager 0.1.2
[INFO] tweaked toml for crates.io crate project_manager 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate project_manager 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tui v0.14.0
[INFO] [stderr]   Downloaded parking_lot_core v0.8.0
[INFO] [stderr]   Downloaded parking_lot v0.11.0
[INFO] [stderr]   Downloaded cloudabi v0.1.0
[INFO] [stderr]   Downloaded mio v0.7.2
[INFO] [stderr]   Downloaded libc v0.2.78
[INFO] [stderr]   Downloaded crossterm_winapi v0.7.0
[INFO] [stderr]   Downloaded serde_derive v1.0.116
[INFO] [stderr]   Downloaded syn v1.0.42
[INFO] [stderr]   Downloaded serde_json v1.0.58
[INFO] [stderr]   Downloaded cassowary v0.3.0
[INFO] [stderr]   Downloaded rust-argon2 v0.8.2
[INFO] [stderr]   Downloaded serde v1.0.116
[INFO] [stderr]   Downloaded crossterm v0.19.0
[INFO] [stderr]   Downloaded base64 v0.12.3
[INFO] [stderr]   Downloaded crossterm_winapi v0.6.1
[INFO] [stderr]   Downloaded lock_api v0.4.1
[INFO] [stderr]   Downloaded crossterm v0.18.0
[INFO] [stderr]   Downloaded instant v0.1.7
[INFO] [stderr]   Downloaded socket2 v0.3.15
[INFO] [stderr]   Downloaded miow v0.3.5
[INFO] [stderr]   Downloaded ntapi v0.3.4
[INFO] [stderr]   Downloaded arc-swap v0.4.7
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.1
[INFO] [stderr]   Downloaded signal-hook v0.1.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69c1249fdbcb005032e45a5021563c26f5303ecd213564a031f52a32abdd2322
[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" "69c1249fdbcb005032e45a5021563c26f5303ecd213564a031f52a32abdd2322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69c1249fdbcb005032e45a5021563c26f5303ecd213564a031f52a32abdd2322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69c1249fdbcb005032e45a5021563c26f5303ecd213564a031f52a32abdd2322", kill_on_drop: false }`
[INFO] [stdout] 69c1249fdbcb005032e45a5021563c26f5303ecd213564a031f52a32abdd2322
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b0a8d23de0ca57b55b72060342bccc67124573f12df52e72865a9b7b0ff01730
[INFO] running `Command { std: "docker" "start" "-a" "b0a8d23de0ca57b55b72060342bccc67124573f12df52e72865a9b7b0ff01730", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking mio v0.7.2
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking crossterm v0.18.0
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]     Checking tui v0.14.0
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling smart-default v0.6.0
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking project_manager v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.68s
[INFO] running `Command { std: "docker" "inspect" "b0a8d23de0ca57b55b72060342bccc67124573f12df52e72865a9b7b0ff01730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a8d23de0ca57b55b72060342bccc67124573f12df52e72865a9b7b0ff01730", kill_on_drop: false }`
[INFO] [stdout] b0a8d23de0ca57b55b72060342bccc67124573f12df52e72865a9b7b0ff01730