[INFO] cloning repository https://github.com/ywjno/rust_file_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ywjno/rust_file_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fywjno%2Frust_file_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fywjno%2Frust_file_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 428eb60e2e567069cdd5c0b724829fac506896b9
[INFO] testing ywjno/rust_file_demo against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fywjno%2Frust_file_demo" "/workspace/builds/worker-109/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ywjno/rust_file_demo on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ywjno/rust_file_demo
[INFO] finished tweaking git repo https://github.com/ywjno/rust_file_demo
[INFO] tweaked toml for git repo https://github.com/ywjno/rust_file_demo written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate git repo https://github.com/ywjno/rust_file_demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b76c5f7e22b2ef39a54d044611203384f1ce269f66097c7fb5fb9e653a4174c
[INFO] running `Command { std: "docker" "start" "-a" "0b76c5f7e22b2ef39a54d044611203384f1ce269f66097c7fb5fb9e653a4174c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b76c5f7e22b2ef39a54d044611203384f1ce269f66097c7fb5fb9e653a4174c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b76c5f7e22b2ef39a54d044611203384f1ce269f66097c7fb5fb9e653a4174c", kill_on_drop: false }`
[INFO] [stdout] 0b76c5f7e22b2ef39a54d044611203384f1ce269f66097c7fb5fb9e653a4174c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb2ac6b6983bfc245300262dab7b5b974e20eccd6e08428bbb09adee42a0b963
[INFO] running `Command { std: "docker" "start" "-a" "eb2ac6b6983bfc245300262dab7b5b974e20eccd6e08428bbb09adee42a0b963", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_file_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.35s
[INFO] running `Command { std: "docker" "inspect" "eb2ac6b6983bfc245300262dab7b5b974e20eccd6e08428bbb09adee42a0b963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb2ac6b6983bfc245300262dab7b5b974e20eccd6e08428bbb09adee42a0b963", kill_on_drop: false }`
[INFO] [stdout] eb2ac6b6983bfc245300262dab7b5b974e20eccd6e08428bbb09adee42a0b963
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbba049f6ec2f03346b65750690f835f4badf0354952abc62d40e4a1dfef52b8
[INFO] running `Command { std: "docker" "start" "-a" "dbba049f6ec2f03346b65750690f835f4badf0354952abc62d40e4a1dfef52b8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_file_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "dbba049f6ec2f03346b65750690f835f4badf0354952abc62d40e4a1dfef52b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbba049f6ec2f03346b65750690f835f4badf0354952abc62d40e4a1dfef52b8", kill_on_drop: false }`
[INFO] [stdout] dbba049f6ec2f03346b65750690f835f4badf0354952abc62d40e4a1dfef52b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 062b6ebc9bac1364343d8c310457c3d2be20294d88931cf96af3b51ca0683a27
[INFO] running `Command { std: "docker" "start" "-a" "062b6ebc9bac1364343d8c310457c3d2be20294d88931cf96af3b51ca0683a27", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.94s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_file_demo-c138b9bfc6fed789)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "062b6ebc9bac1364343d8c310457c3d2be20294d88931cf96af3b51ca0683a27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "062b6ebc9bac1364343d8c310457c3d2be20294d88931cf96af3b51ca0683a27", kill_on_drop: false }`
[INFO] [stdout] 062b6ebc9bac1364343d8c310457c3d2be20294d88931cf96af3b51ca0683a27