[INFO] cloning repository https://github.com/MMitsuha/discriminant
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MMitsuha/discriminant" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMMitsuha%2Fdiscriminant", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMMitsuha%2Fdiscriminant'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7feb3baf868b220a4ee17ee27f74eab175021602
[INFO] checking MMitsuha/discriminant against try#3ec2a775459d36c7d90654e47c56ff7bb0d542ab for pr-139087
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMMitsuha%2Fdiscriminant" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MMitsuha/discriminant on toolchain 3ec2a775459d36c7d90654e47c56ff7bb0d542ab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MMitsuha/discriminant
[INFO] finished tweaking git repo https://github.com/MMitsuha/discriminant
[INFO] tweaked toml for git repo https://github.com/MMitsuha/discriminant written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MMitsuha/discriminant 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" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ddce48ebf278fd029c99c2806b563499ad875773edab3763a8c469ed0b6453b
[INFO] running `Command { std: "docker" "start" "-a" "0ddce48ebf278fd029c99c2806b563499ad875773edab3763a8c469ed0b6453b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ddce48ebf278fd029c99c2806b563499ad875773edab3763a8c469ed0b6453b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ddce48ebf278fd029c99c2806b563499ad875773edab3763a8c469ed0b6453b", kill_on_drop: false }`
[INFO] [stdout] 0ddce48ebf278fd029c99c2806b563499ad875773edab3763a8c469ed0b6453b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+3ec2a775459d36c7d90654e47c56ff7bb0d542ab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5066f0768e88af8500b2cc3234c0e4e646154fbc556a050727b219c8700c3f22
[INFO] running `Command { std: "docker" "start" "-a" "5066f0768e88af8500b2cc3234c0e4e646154fbc556a050727b219c8700c3f22", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking quote v1.0.39
[INFO] [stderr]     Checking syn v2.0.99
[INFO] [stderr]     Checking discriminant-derive v0.1.0 (/opt/rustwide/workdir/discriminant-derive)
[INFO] [stderr]     Checking discriminant-rs v0.1.2 (/opt/rustwide/workdir/discriminant-rs)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.49s
[INFO] running `Command { std: "docker" "inspect" "5066f0768e88af8500b2cc3234c0e4e646154fbc556a050727b219c8700c3f22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5066f0768e88af8500b2cc3234c0e4e646154fbc556a050727b219c8700c3f22", kill_on_drop: false }`
[INFO] [stdout] 5066f0768e88af8500b2cc3234c0e4e646154fbc556a050727b219c8700c3f22