[INFO] cloning repository https://github.com/davidjscherer/Rust_Tests
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidjscherer/Rust_Tests" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidjscherer%2FRust_Tests", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidjscherer%2FRust_Tests'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a24b8accf021bcf317b1f12d174ac35e92526bae
[INFO] checking davidjscherer/Rust_Tests/a24b8accf021bcf317b1f12d174ac35e92526bae against try#52ae2445414b2a196b318d85c2819995c6e5f1aa for pr-133397
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidjscherer%2FRust_Tests" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidjscherer/Rust_Tests on toolchain 52ae2445414b2a196b318d85c2819995c6e5f1aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52ae2445414b2a196b318d85c2819995c6e5f1aa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/davidjscherer/Rust_Tests
[INFO] finished tweaking git repo https://github.com/davidjscherer/Rust_Tests
[INFO] tweaked toml for git repo https://github.com/davidjscherer/Rust_Tests written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/davidjscherer/Rust_Tests 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" "+52ae2445414b2a196b318d85c2819995c6e5f1aa" "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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+52ae2445414b2a196b318d85c2819995c6e5f1aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96cefe8bed4d68f4eb0972e9bd78c45c1936cb09ca6b7abb44e10d2ccf20ac13
[INFO] running `Command { std: "docker" "start" "-a" "96cefe8bed4d68f4eb0972e9bd78c45c1936cb09ca6b7abb44e10d2ccf20ac13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96cefe8bed4d68f4eb0972e9bd78c45c1936cb09ca6b7abb44e10d2ccf20ac13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96cefe8bed4d68f4eb0972e9bd78c45c1936cb09ca6b7abb44e10d2ccf20ac13", kill_on_drop: false }`
[INFO] [stdout] 96cefe8bed4d68f4eb0972e9bd78c45c1936cb09ca6b7abb44e10d2ccf20ac13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+52ae2445414b2a196b318d85c2819995c6e5f1aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9477b989f6a028d1e377425b09d17c65c405afa060703c9ccfbc4aed7ba5ca2
[INFO] running `Command { std: "docker" "start" "-a" "f9477b989f6a028d1e377425b09d17c65c405afa060703c9ccfbc4aed7ba5ca2", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_intro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "f9477b989f6a028d1e377425b09d17c65c405afa060703c9ccfbc4aed7ba5ca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9477b989f6a028d1e377425b09d17c65c405afa060703c9ccfbc4aed7ba5ca2", kill_on_drop: false }`
[INFO] [stdout] f9477b989f6a028d1e377425b09d17c65c405afa060703c9ccfbc4aed7ba5ca2