[INFO] cloning repository https://github.com/charleslukes/learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/charleslukes/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharleslukes%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharleslukes%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40e3f8f37a61266c6fe5449f3637f5d2088be676
[INFO] testing charleslukes/learn-rust against try#c3758fdc4730d7700b25a13cccff296a08f42c00 for pr-91743
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharleslukes%2Flearn-rust" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/charleslukes/learn-rust on toolchain c3758fdc4730d7700b25a13cccff296a08f42c00
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/charleslukes/learn-rust
[INFO] finished tweaking git repo https://github.com/charleslukes/learn-rust
[INFO] tweaked toml for git repo https://github.com/charleslukes/learn-rust written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/charleslukes/learn-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2595ec7b70506d0c4ca3bea6352d431cec8f53994c6da72bdc5d3d2f3d811a3f
[INFO] running `Command { std: "docker" "start" "-a" "2595ec7b70506d0c4ca3bea6352d431cec8f53994c6da72bdc5d3d2f3d811a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2595ec7b70506d0c4ca3bea6352d431cec8f53994c6da72bdc5d3d2f3d811a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2595ec7b70506d0c4ca3bea6352d431cec8f53994c6da72bdc5d3d2f3d811a3f", kill_on_drop: false }`
[INFO] [stdout] 2595ec7b70506d0c4ca3bea6352d431cec8f53994c6da72bdc5d3d2f3d811a3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2962ad8028341d62a19d3dcc3c2cf8ffeb7ba393f9694360f66395290028a89
[INFO] running `Command { std: "docker" "start" "-a" "e2962ad8028341d62a19d3dcc3c2cf8ffeb7ba393f9694360f66395290028a89", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling brad-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.22s
[INFO] running `Command { std: "docker" "inspect" "e2962ad8028341d62a19d3dcc3c2cf8ffeb7ba393f9694360f66395290028a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2962ad8028341d62a19d3dcc3c2cf8ffeb7ba393f9694360f66395290028a89", kill_on_drop: false }`
[INFO] [stdout] e2962ad8028341d62a19d3dcc3c2cf8ffeb7ba393f9694360f66395290028a89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31c8cbfc2575f745cf198c73e9a126f96093d2105958cba445e67334225851a2
[INFO] running `Command { std: "docker" "start" "-a" "31c8cbfc2575f745cf198c73e9a126f96093d2105958cba445e67334225851a2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling brad-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4m 26s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/brad_rust-4a2389801e8116f3)
[INFO] running `Command { std: "docker" "inspect" "31c8cbfc2575f745cf198c73e9a126f96093d2105958cba445e67334225851a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31c8cbfc2575f745cf198c73e9a126f96093d2105958cba445e67334225851a2", kill_on_drop: false }`
[INFO] [stdout] 31c8cbfc2575f745cf198c73e9a126f96093d2105958cba445e67334225851a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 67b0832991197812dc6455aaca23f6e770bca392bbac06917a4a30ec9737c703
[INFO] running `Command { std: "docker" "start" "-a" "67b0832991197812dc6455aaca23f6e770bca392bbac06917a4a30ec9737c703", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "67b0832991197812dc6455aaca23f6e770bca392bbac06917a4a30ec9737c703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67b0832991197812dc6455aaca23f6e770bca392bbac06917a4a30ec9737c703", kill_on_drop: false }`
[INFO] [stdout] 67b0832991197812dc6455aaca23f6e770bca392bbac06917a4a30ec9737c703