[INFO] fetching crate ferrum_compiler 0.0.4...
[INFO] testing ferrum_compiler-0.0.4 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate ferrum_compiler 0.0.4 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate ferrum_compiler 0.0.4
[INFO] finished tweaking crates.io crate ferrum_compiler 0.0.4
[INFO] tweaked toml for crates.io crate ferrum_compiler 0.0.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ferrum_compiler 0.0.4 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ferrum_compiler 0.0.4 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.10
[INFO] [stderr]   Downloaded proc-macro2 v1.0.63
[INFO] [stderr]   Downloaded thiserror-impl v1.0.41
[INFO] [stderr]   Downloaded thiserror v1.0.41
[INFO] [stderr]   Downloaded anyhow v1.0.71
[INFO] [stderr]   Downloaded quote v1.0.29
[INFO] [stderr]   Downloaded aho-corasick v1.1.1
[INFO] [stderr]   Downloaded regex v1.9.6
[INFO] [stderr]   Downloaded syn v2.0.23
[INFO] [stderr]   Downloaded rustix v0.38.15
[INFO] [stderr]   Downloaded libc v0.2.148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de0bcbbdfd87a8480ec475440e30a74011546ff58addf16a0bccdba041c16a7c
[INFO] running `Command { std: "docker" "start" "-a" "de0bcbbdfd87a8480ec475440e30a74011546ff58addf16a0bccdba041c16a7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de0bcbbdfd87a8480ec475440e30a74011546ff58addf16a0bccdba041c16a7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de0bcbbdfd87a8480ec475440e30a74011546ff58addf16a0bccdba041c16a7c", kill_on_drop: false }`
[INFO] [stdout] de0bcbbdfd87a8480ec475440e30a74011546ff58addf16a0bccdba041c16a7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 410cfc68a51d7733b8a8c392993ecc634db41e3ceb36daed7b9c4416f144911d
[INFO] running `Command { std: "docker" "start" "-a" "410cfc68a51d7733b8a8c392993ecc634db41e3ceb36daed7b9c4416f144911d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling thiserror v1.0.41
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]    Compiling thiserror-impl v1.0.41
[INFO] [stderr]    Compiling ferrum_compiler v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.17s
[INFO] running `Command { std: "docker" "inspect" "410cfc68a51d7733b8a8c392993ecc634db41e3ceb36daed7b9c4416f144911d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "410cfc68a51d7733b8a8c392993ecc634db41e3ceb36daed7b9c4416f144911d", kill_on_drop: false }`
[INFO] [stdout] 410cfc68a51d7733b8a8c392993ecc634db41e3ceb36daed7b9c4416f144911d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 014edf411ffac6833bafa52e30464ea0c18aaca0e1c88c6dda0ab746f15bb32f
[INFO] running `Command { std: "docker" "start" "-a" "014edf411ffac6833bafa52e30464ea0c18aaca0e1c88c6dda0ab746f15bb32f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ferrum_compiler v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.25s
[INFO] running `Command { std: "docker" "inspect" "014edf411ffac6833bafa52e30464ea0c18aaca0e1c88c6dda0ab746f15bb32f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "014edf411ffac6833bafa52e30464ea0c18aaca0e1c88c6dda0ab746f15bb32f", kill_on_drop: false }`
[INFO] [stdout] 014edf411ffac6833bafa52e30464ea0c18aaca0e1c88c6dda0ab746f15bb32f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aa5e316ca9f3dc90122f4cb00fc6e424ef451fd1d71b4167a550affbc70e8acd
[INFO] running `Command { std: "docker" "start" "-a" "aa5e316ca9f3dc90122f4cb00fc6e424ef451fd1d71b4167a550affbc70e8acd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ferrum_compiler-22ee1862ed0cbe3e)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test lexer::tests::test_empty ... ok
[INFO] [stdout] test lexer::tests::test_hello_world ... ok
[INFO] [stdout] test lexer::tests::test_labels ... ok
[INFO] [stdout] test parser::tests::test_empty ... ok
[INFO] [stdout] test parser::tests::test_hello_world ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mod.rs (/opt/rustwide/target/debug/deps/mod-92635cb1d04e5de9)
[INFO] [stdout] running 1 test
[INFO] [stdout] test integration::test_examples ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--test mod`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- integration::test_examples stdout ----
[INFO] [stdout] Error: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     integration::test_examples
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aa5e316ca9f3dc90122f4cb00fc6e424ef451fd1d71b4167a550affbc70e8acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa5e316ca9f3dc90122f4cb00fc6e424ef451fd1d71b4167a550affbc70e8acd", kill_on_drop: false }`
[INFO] [stdout] aa5e316ca9f3dc90122f4cb00fc6e424ef451fd1d71b4167a550affbc70e8acd