[INFO] fetching crate serde_magnus 0.9.0...
[INFO] building serde_magnus-0.9.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate serde_magnus 0.9.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate serde_magnus 0.9.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate serde_magnus 0.9.0
[INFO] tweaked toml for crates.io crate serde_magnus 0.9.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_magnus 0.9.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serde_magnus 0.9.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded seq-macro v0.3.5
[INFO] [stderr]   Downloaded rb-sys-build v0.9.110
[INFO] [stderr]   Downloaded rb-sys v0.9.110
[INFO] [stderr]   Downloaded magnus-macros v0.6.0
[INFO] [stderr]   Downloaded rb-sys-env v0.1.2
[INFO] [stderr]   Downloaded magnus v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7bde961bf162c9e959425f6e4f389dce40d69b543b72bb95c229c838eadaa5f
[INFO] running `Command { std: "docker" "start" "-a" "f7bde961bf162c9e959425f6e4f389dce40d69b543b72bb95c229c838eadaa5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7bde961bf162c9e959425f6e4f389dce40d69b543b72bb95c229c838eadaa5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7bde961bf162c9e959425f6e4f389dce40d69b543b72bb95c229c838eadaa5f", kill_on_drop: false }`
[INFO] [stdout] f7bde961bf162c9e959425f6e4f389dce40d69b543b72bb95c229c838eadaa5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a98be649b235fbb3ed2af5fccd7cc11936a73be7ce6a8fab0b5a5a83949c6be8
[INFO] running `Command { std: "docker" "start" "-a" "a98be649b235fbb3ed2af5fccd7cc11936a73be7ce6a8fab0b5a5a83949c6be8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling bindgen v0.69.5
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling rb-sys-env v0.1.2
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]    Compiling magnus v0.7.1
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling magnus-macros v0.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling rb-sys-build v0.9.110
[INFO] [stderr]    Compiling rb-sys v0.9.110
[INFO] [stderr]    Compiling serde_magnus v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 51.51s
[INFO] running `Command { std: "docker" "inspect" "a98be649b235fbb3ed2af5fccd7cc11936a73be7ce6a8fab0b5a5a83949c6be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a98be649b235fbb3ed2af5fccd7cc11936a73be7ce6a8fab0b5a5a83949c6be8", kill_on_drop: false }`
[INFO] [stdout] a98be649b235fbb3ed2af5fccd7cc11936a73be7ce6a8fab0b5a5a83949c6be8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a926c320a464ad352c5f775ce3d424ef502700406279f7b4540274fbdd9d2b8e
[INFO] running `Command { std: "docker" "start" "-a" "a926c320a464ad352c5f775ce3d424ef502700406279f7b4540274fbdd9d2b8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_bytes v0.11.15
[INFO] [stderr]    Compiling serde_magnus v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.13s
[INFO] running `Command { std: "docker" "inspect" "a926c320a464ad352c5f775ce3d424ef502700406279f7b4540274fbdd9d2b8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a926c320a464ad352c5f775ce3d424ef502700406279f7b4540274fbdd9d2b8e", kill_on_drop: false }`
[INFO] [stdout] a926c320a464ad352c5f775ce3d424ef502700406279f7b4540274fbdd9d2b8e