[INFO] cloning repository https://github.com/jero98772/toy-filesystem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jero98772/toy-filesystem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjero98772%2Ftoy-filesystem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjero98772%2Ftoy-filesystem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ea4e249ae8ed77838bb27c5775dc8a8f9f53e65
[INFO] testing jero98772/toy-filesystem against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjero98772%2Ftoy-filesystem" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jero98772/toy-filesystem
[INFO] finished tweaking git repo https://github.com/jero98772/toy-filesystem
[INFO] tweaked toml for git repo https://github.com/jero98772/toy-filesystem written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jero98772/toy-filesystem on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jero98772/toy-filesystem 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" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32a47c68c3abde5a31d68c85d3a791b19c597995eaf39b5c0fb25c60df4c03bb
[INFO] running `Command { std: "docker" "start" "-a" "32a47c68c3abde5a31d68c85d3a791b19c597995eaf39b5c0fb25c60df4c03bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32a47c68c3abde5a31d68c85d3a791b19c597995eaf39b5c0fb25c60df4c03bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32a47c68c3abde5a31d68c85d3a791b19c597995eaf39b5c0fb25c60df4c03bb", kill_on_drop: false }`
[INFO] [stdout] 32a47c68c3abde5a31d68c85d3a791b19c597995eaf39b5c0fb25c60df4c03bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ded039943bbb7c51eea9d04db16f627c742ddeb9da5b316765dd5aa362f5ecb7
[INFO] running `Command { std: "docker" "start" "-a" "ded039943bbb7c51eea9d04db16f627c742ddeb9da5b316765dd5aa362f5ecb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling toy_filesystem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `MAX_FILENAME_LEN` is never used
[INFO] [stdout]  --> src/main.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const MAX_FILENAME_LEN: usize = 255;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "ded039943bbb7c51eea9d04db16f627c742ddeb9da5b316765dd5aa362f5ecb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ded039943bbb7c51eea9d04db16f627c742ddeb9da5b316765dd5aa362f5ecb7", kill_on_drop: false }`
[INFO] [stdout] ded039943bbb7c51eea9d04db16f627c742ddeb9da5b316765dd5aa362f5ecb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4349165be3c8de86bd7c33612083134110124c6d3bbee51574940ffc315cd115
[INFO] running `Command { std: "docker" "start" "-a" "4349165be3c8de86bd7c33612083134110124c6d3bbee51574940ffc315cd115", kill_on_drop: false }`
[INFO] [stderr]    Compiling toy_filesystem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `MAX_FILENAME_LEN` is never used
[INFO] [stdout]  --> src/main.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const MAX_FILENAME_LEN: usize = 255;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "4349165be3c8de86bd7c33612083134110124c6d3bbee51574940ffc315cd115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4349165be3c8de86bd7c33612083134110124c6d3bbee51574940ffc315cd115", kill_on_drop: false }`
[INFO] [stdout] 4349165be3c8de86bd7c33612083134110124c6d3bbee51574940ffc315cd115
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f389359a61d8b8db8ac8ecdc7280d68257b68d809f0c877eba6a465a9b2892f4
[INFO] running `Command { std: "docker" "start" "-a" "f389359a61d8b8db8ac8ecdc7280d68257b68d809f0c877eba6a465a9b2892f4", kill_on_drop: false }`
[INFO] [stderr] warning: constant `MAX_FILENAME_LEN` is never used
[INFO] [stderr]  --> src/main.rs:9:7
[INFO] [stderr]   |
[INFO] [stderr] 9 | const MAX_FILENAME_LEN: usize = 255;
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `toy_filesystem` (bin "toy_filesystem" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/toy_filesystem-53ce0e97194c69cf)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_filesystem_operations ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stderr] error: test failed, to rerun pass `--bin toy_filesystem`
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_filesystem_operations stdout ----
[INFO] [stdout] Error: IoError(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_filesystem_operations
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f389359a61d8b8db8ac8ecdc7280d68257b68d809f0c877eba6a465a9b2892f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f389359a61d8b8db8ac8ecdc7280d68257b68d809f0c877eba6a465a9b2892f4", kill_on_drop: false }`
[INFO] [stdout] f389359a61d8b8db8ac8ecdc7280d68257b68d809f0c877eba6a465a9b2892f4
