[INFO] fetching crate scrummage 0.1.1...
[INFO] building scrummage-0.1.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate scrummage 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate scrummage 0.1.1
[INFO] finished tweaking crates.io crate scrummage 0.1.1
[INFO] tweaked toml for crates.io crate scrummage 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate scrummage 0.1.1 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 scrummage 0.1.1 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]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.73
[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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2febbd76e45e3396e605c1e1fcc64fd7377b33376bc4b096e0d4a298e598fae9
[INFO] running `Command { std: "docker" "start" "-a" "2febbd76e45e3396e605c1e1fcc64fd7377b33376bc4b096e0d4a298e598fae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2febbd76e45e3396e605c1e1fcc64fd7377b33376bc4b096e0d4a298e598fae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2febbd76e45e3396e605c1e1fcc64fd7377b33376bc4b096e0d4a298e598fae9", kill_on_drop: false }`
[INFO] [stdout] 2febbd76e45e3396e605c1e1fcc64fd7377b33376bc4b096e0d4a298e598fae9
[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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95f7cc5ba7e58a5686c58e9f2740d0f3926301a2f91f8af3a53e586d9a056503
[INFO] running `Command { std: "docker" "start" "-a" "95f7cc5ba7e58a5686c58e9f2740d0f3926301a2f91f8af3a53e586d9a056503", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling scrummage v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/lib.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         #[doc = $x]
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 27 |         extern {}
[INFO] [stdout]    |         --------- rustdoc does not generate documentation for extern blocks
[INFO] [stdout] ...
[INFO] [stdout] 30 | doctest!(include_str!("../README.md"));
[INFO] [stdout]    | -------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `doctest` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         extern {}
[INFO] [stdout]    |         ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] ...
[INFO] [stdout] 30 | doctest!(include_str!("../README.md"));
[INFO] [stdout]    | -------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `doctest` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "95f7cc5ba7e58a5686c58e9f2740d0f3926301a2f91f8af3a53e586d9a056503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95f7cc5ba7e58a5686c58e9f2740d0f3926301a2f91f8af3a53e586d9a056503", kill_on_drop: false }`
[INFO] [stdout] 95f7cc5ba7e58a5686c58e9f2740d0f3926301a2f91f8af3a53e586d9a056503
[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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f879cb923f7d39fbac717df86c426b7f60612f6919793e534d38092bab3e9c4d
[INFO] running `Command { std: "docker" "start" "-a" "f879cb923f7d39fbac717df86c426b7f60612f6919793e534d38092bab3e9c4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling scrummage v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/lib.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         #[doc = $x]
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 27 |         extern {}
[INFO] [stdout]    |         --------- rustdoc does not generate documentation for extern blocks
[INFO] [stdout] ...
[INFO] [stdout] 30 | doctest!(include_str!("../README.md"));
[INFO] [stdout]    | -------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `doctest` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         extern {}
[INFO] [stdout]    |         ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] ...
[INFO] [stdout] 30 | doctest!(include_str!("../README.md"));
[INFO] [stdout]    | -------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `doctest` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/lib.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         #[doc = $x]
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 27 |         extern {}
[INFO] [stdout]    |         --------- rustdoc does not generate documentation for extern blocks
[INFO] [stdout] ...
[INFO] [stdout] 30 | doctest!(include_str!("../README.md"));
[INFO] [stdout]    | -------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `doctest` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         extern {}
[INFO] [stdout]    |         ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] ...
[INFO] [stdout] 30 | doctest!(include_str!("../README.md"));
[INFO] [stdout]    | -------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `doctest` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "f879cb923f7d39fbac717df86c426b7f60612f6919793e534d38092bab3e9c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f879cb923f7d39fbac717df86c426b7f60612f6919793e534d38092bab3e9c4d", kill_on_drop: false }`
[INFO] [stdout] f879cb923f7d39fbac717df86c426b7f60612f6919793e534d38092bab3e9c4d