[INFO] cloning repository https://github.com/ChrisDavison/an
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChrisDavison/an" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrisDavison%2Fan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrisDavison%2Fan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9cf4ec437e6ae6c72afeeed4c7e050d0ec91194
[INFO] building ChrisDavison/an against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrisDavison%2Fan" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ChrisDavison/an
[INFO] finished tweaking git repo https://github.com/ChrisDavison/an
[INFO] tweaked toml for git repo https://github.com/ChrisDavison/an written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ChrisDavison/an 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 git repo https://github.com/ChrisDavison/an 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]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded structopt v0.3.21
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.36
[INFO] [stderr]   Downloaded structopt-derive v0.4.14
[INFO] [stderr]   Downloaded ipnet v2.3.0
[INFO] [stderr]   Downloaded os_str_bytes v6.0.0
[INFO] [stderr]   Downloaded termcolor v1.1.2
[INFO] [stderr]   Downloaded mdlc v0.8.1
[INFO] [stderr]   Downloaded clap_derive v3.1.2
[INFO] [stderr]   Downloaded textwrap v0.14.2
[INFO] [stderr]   Downloaded rayon-core v1.9.3
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.71
[INFO] [stderr]   Downloaded rayon v1.5.3
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded rustls v0.21.10
[INFO] [stderr]   Downloaded js-sys v0.3.48
[INFO] [stderr]   Downloaded clap v3.1.2
[INFO] [stderr]   Downloaded webpki-roots v0.25.3
[INFO] [stderr]   Downloaded regex v1.3.9
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.4
[INFO] [stderr]   Downloaded syn v1.0.86
[INFO] [stderr]   Downloaded serde v1.0.124
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.8
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.71
[INFO] [stderr]   Downloaded memoffset v0.6.5
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.8
[INFO] [stderr]   Downloaded thread_local v1.1.3
[INFO] [stderr]   Downloaded tower-service v0.3.1
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.71
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.71
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.71
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.21
[INFO] [stderr]   Downloaded web-sys v0.3.48
[INFO] [stderr]   Downloaded ring v0.17.7
[INFO] [stderr]   Downloaded tagsearch v0.27.0
[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] eeb7d24610e0dc44cf5173729e03334b52808c4308df230080ca7d538593fe92
[INFO] running `Command { std: "docker" "start" "-a" "eeb7d24610e0dc44cf5173729e03334b52808c4308df230080ca7d538593fe92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eeb7d24610e0dc44cf5173729e03334b52808c4308df230080ca7d538593fe92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb7d24610e0dc44cf5173729e03334b52808c4308df230080ca7d538593fe92", kill_on_drop: false }`
[INFO] [stdout] eeb7d24610e0dc44cf5173729e03334b52808c4308df230080ca7d538593fe92
[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] 6dd921f4761d1fd029cd0fa0ba121f79ac9d81c4ed7fe3453c0ba25d5610a9f6
[INFO] running `Command { std: "docker" "start" "-a" "6dd921f4761d1fd029cd0fa0ba121f79ac9d81c4ed7fe3453c0ba25d5610a9f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio v1.35.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling ring v0.17.7
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling webpki-roots v0.25.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling clap_derive v3.1.2
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling rustls-webpki v0.101.7
[INFO] [stderr]    Compiling h2 v0.3.23
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling tagsearch v0.27.0
[INFO] [stderr]    Compiling clap v3.1.2
[INFO] [stderr]    Compiling tokio-rustls v0.24.1
[INFO] [stderr]    Compiling hyper v0.14.28
[INFO] [stderr]    Compiling hyper-rustls v0.24.2
[INFO] [stderr]    Compiling reqwest v0.11.23
[INFO] [stderr]    Compiling mdlc v0.8.1
[INFO] [stderr]    Compiling an v0.15.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.46s
[INFO] running `Command { std: "docker" "inspect" "6dd921f4761d1fd029cd0fa0ba121f79ac9d81c4ed7fe3453c0ba25d5610a9f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dd921f4761d1fd029cd0fa0ba121f79ac9d81c4ed7fe3453c0ba25d5610a9f6", kill_on_drop: false }`
[INFO] [stdout] 6dd921f4761d1fd029cd0fa0ba121f79ac9d81c4ed7fe3453c0ba25d5610a9f6
[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] 732eb8809838b86dd077a7f0d8a511d706309d1ce3487c79a3b1851c64b83edf
[INFO] running `Command { std: "docker" "start" "-a" "732eb8809838b86dd077a7f0d8a511d706309d1ce3487c79a3b1851c64b83edf", kill_on_drop: false }`
[INFO] [stderr]    Compiling an v0.15.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "732eb8809838b86dd077a7f0d8a511d706309d1ce3487c79a3b1851c64b83edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "732eb8809838b86dd077a7f0d8a511d706309d1ce3487c79a3b1851c64b83edf", kill_on_drop: false }`
[INFO] [stdout] 732eb8809838b86dd077a7f0d8a511d706309d1ce3487c79a3b1851c64b83edf