[INFO] cloning repository https://github.com/yngtodd/link
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yngtodd/link" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyngtodd%2Flink", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyngtodd%2Flink'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b2f3f4bc8554ef75c7687ba5c21bac197cded21
[INFO] checking yngtodd/link against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyngtodd%2Flink" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yngtodd/link on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yngtodd/link
[INFO] finished tweaking git repo https://github.com/yngtodd/link
[INFO] tweaked toml for git repo https://github.com/yngtodd/link written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/yngtodd/link already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: target.x86_64-apple-darwin.rustflags
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.13.1
[INFO] [stderr]   Downloaded inventory-impl v0.1.10
[INFO] [stderr]   Downloaded inventory v0.1.10
[INFO] [stderr]   Downloaded ctor v0.1.18
[INFO] [stderr]   Downloaded paste v1.0.4
[INFO] [stderr]   Downloaded indoc v1.0.3
[INFO] [stderr]   Downloaded unindent v0.1.7
[INFO] [stderr]   Downloaded pyo3-macros v0.13.1
[INFO] [stderr]   Downloaded libc v0.2.84
[INFO] [stderr]   Downloaded pyo3 v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", 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] 2fca94e568f60a7bcafebb134b4206a1dc10f473ffc1d74e3b7faeb2bdb89b2e
[INFO] running `Command { std: "docker" "start" "-a" "2fca94e568f60a7bcafebb134b4206a1dc10f473ffc1d74e3b7faeb2bdb89b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fca94e568f60a7bcafebb134b4206a1dc10f473ffc1d74e3b7faeb2bdb89b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fca94e568f60a7bcafebb134b4206a1dc10f473ffc1d74e3b7faeb2bdb89b2e", kill_on_drop: false }`
[INFO] [stdout] 2fca94e568f60a7bcafebb134b4206a1dc10f473ffc1d74e3b7faeb2bdb89b2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52660f6ad469aa9584174d056b5d4e000d7993ddab0247b2ec6e224471bb6ebc
[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" "52660f6ad469aa9584174d056b5d4e000d7993ddab0247b2ec6e224471bb6ebc", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: target.x86_64-apple-darwin.rustflags
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling pyo3 v0.13.1
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling pyo3-macros-backend v0.13.1
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling ctor v0.1.18
[INFO] [stderr]    Compiling pyo3-macros v0.13.1
[INFO] [stderr]     Checking link v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.21s
[INFO] running `Command { std: "docker" "inspect" "52660f6ad469aa9584174d056b5d4e000d7993ddab0247b2ec6e224471bb6ebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52660f6ad469aa9584174d056b5d4e000d7993ddab0247b2ec6e224471bb6ebc", kill_on_drop: false }`
[INFO] [stdout] 52660f6ad469aa9584174d056b5d4e000d7993ddab0247b2ec6e224471bb6ebc