[INFO] fetching crate mir-rs 0.3.0...
[INFO] testing mir-rs-0.3.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate mir-rs 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate mir-rs 0.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mir-rs 0.3.0
[INFO] tweaked toml for crates.io crate mir-rs 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mir-rs 0.3.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mir-rs 0.3.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rstest v0.25.0
[INFO] [stderr]   Downloaded rustc_version v0.4.1
[INFO] [stderr]   Downloaded smallvec v1.14.0
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded semver v1.0.26
[INFO] [stderr]   Downloaded glob v0.3.2
[INFO] [stderr]   Downloaded quote v1.0.39
[INFO] [stderr]   Downloaded shlex v1.3.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.18
[INFO] [stderr]   Downloaded relative-path v1.9.3
[INFO] [stderr]   Downloaded paste v1.0.15
[INFO] [stderr]   Downloaded rstest_macros v0.25.0
[INFO] [stderr]   Downloaded memchr v2.7.4
[INFO] [stderr]   Downloaded cc v1.2.16
[INFO] [stderr]   Downloaded proc-macro2 v1.0.94
[INFO] [stderr]   Downloaded aho-corasick v1.1.3
[INFO] [stderr]   Downloaded syn v2.0.99
[INFO] [stderr]   Downloaded regex v1.11.1
[INFO] [stderr]   Downloaded mir-sys v0.2.0
[INFO] [stderr]   Downloaded regex-syntax v0.8.5
[INFO] [stderr]   Downloaded regex-automata v0.4.9
[INFO] [stderr]   Downloaded libc v0.2.170
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4da851fe813c62898ffa422afc640e25d126a6a2fe087467c238a234c01ab8ca
[INFO] running `Command { std: "docker" "start" "-a" "4da851fe813c62898ffa422afc640e25d126a6a2fe087467c238a234c01ab8ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4da851fe813c62898ffa422afc640e25d126a6a2fe087467c238a234c01ab8ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4da851fe813c62898ffa422afc640e25d126a6a2fe087467c238a234c01ab8ca", kill_on_drop: false }`
[INFO] [stdout] 4da851fe813c62898ffa422afc640e25d126a6a2fe087467c238a234c01ab8ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e08efd165d32182480584c5b3d3ddb200bd687fb512b1047eb84c36e40bda91e
[INFO] running `Command { std: "docker" "start" "-a" "e08efd165d32182480584c5b3d3ddb200bd687fb512b1047eb84c36e40bda91e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.16
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling mir-sys v0.2.0
[INFO] [stderr]    Compiling mir-rs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.00s
[INFO] running `Command { std: "docker" "inspect" "e08efd165d32182480584c5b3d3ddb200bd687fb512b1047eb84c36e40bda91e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e08efd165d32182480584c5b3d3ddb200bd687fb512b1047eb84c36e40bda91e", kill_on_drop: false }`
[INFO] [stdout] e08efd165d32182480584c5b3d3ddb200bd687fb512b1047eb84c36e40bda91e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e864285f64c8035eb5a9ecb6e4c5cc6ff8ff42f58e877db5b4fb6d1ae72b3bd2
[INFO] running `Command { std: "docker" "start" "-a" "e864285f64c8035eb5a9ecb6e4c5cc6ff8ff42f58e877db5b4fb6d1ae72b3bd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling rstest_macros v0.25.0
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stdout] error: failed to build archive at `/opt/rustwide/target/debug/deps/libsyn-10d62e06e44c9fa0.rlib`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syn` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e864285f64c8035eb5a9ecb6e4c5cc6ff8ff42f58e877db5b4fb6d1ae72b3bd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e864285f64c8035eb5a9ecb6e4c5cc6ff8ff42f58e877db5b4fb6d1ae72b3bd2", kill_on_drop: false }`
[INFO] [stdout] e864285f64c8035eb5a9ecb6e4c5cc6ff8ff42f58e877db5b4fb6d1ae72b3bd2