[INFO] fetching crate coreplus 0.2.1...
[INFO] testing coreplus-0.2.1 against try#c3758fdc4730d7700b25a13cccff296a08f42c00 for pr-91743
[INFO] extracting crate coreplus 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate coreplus 0.2.1 on toolchain c3758fdc4730d7700b25a13cccff296a08f42c00
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coreplus 0.2.1
[INFO] finished tweaking crates.io crate coreplus 0.2.1
[INFO] tweaked toml for crates.io crate coreplus 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d72c8bd5dcb55b65b9dc120348f0dc3febf1dd24f8affb435717dd6362b441a
[INFO] running `Command { std: "docker" "start" "-a" "2d72c8bd5dcb55b65b9dc120348f0dc3febf1dd24f8affb435717dd6362b441a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d72c8bd5dcb55b65b9dc120348f0dc3febf1dd24f8affb435717dd6362b441a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d72c8bd5dcb55b65b9dc120348f0dc3febf1dd24f8affb435717dd6362b441a", kill_on_drop: false }`
[INFO] [stdout] 2d72c8bd5dcb55b65b9dc120348f0dc3febf1dd24f8affb435717dd6362b441a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7335809d45a4e5b3ae3d36fff8c1d7963827dc75479a9dbc3dae9209806735e
[INFO] running `Command { std: "docker" "start" "-a" "c7335809d45a4e5b3ae3d36fff8c1d7963827dc75479a9dbc3dae9209806735e", kill_on_drop: false }`
[INFO] [stderr]    Compiling coreplus v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "c7335809d45a4e5b3ae3d36fff8c1d7963827dc75479a9dbc3dae9209806735e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7335809d45a4e5b3ae3d36fff8c1d7963827dc75479a9dbc3dae9209806735e", kill_on_drop: false }`
[INFO] [stdout] c7335809d45a4e5b3ae3d36fff8c1d7963827dc75479a9dbc3dae9209806735e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0ba9a85fb627eed853b8391b69ad9452d1bb8d3ebdbbf685fa7e5b86fca1994
[INFO] running `Command { std: "docker" "start" "-a" "d0ba9a85fb627eed853b8391b69ad9452d1bb8d3ebdbbf685fa7e5b86fca1994", kill_on_drop: false }`
[INFO] [stderr]    Compiling coreplus v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/coreplus-c68d8f8dafe70eae)
[INFO] running `Command { std: "docker" "inspect" "d0ba9a85fb627eed853b8391b69ad9452d1bb8d3ebdbbf685fa7e5b86fca1994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0ba9a85fb627eed853b8391b69ad9452d1bb8d3ebdbbf685fa7e5b86fca1994", kill_on_drop: false }`
[INFO] [stdout] d0ba9a85fb627eed853b8391b69ad9452d1bb8d3ebdbbf685fa7e5b86fca1994
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a8e9c20b9274fec1744e809810d376ce6dc23e352bd99d1872c0f0c756a64c30
[INFO] running `Command { std: "docker" "start" "-a" "a8e9c20b9274fec1744e809810d376ce6dc23e352bd99d1872c0f0c756a64c30", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/coreplus-c68d8f8dafe70eae)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests coreplus
[INFO] [stdout] 
[INFO] [stdout] running 84 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name coreplus --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern coreplus=/opt/rustwide/target/debug/deps/libcoreplus-63572cd43c65898f.rlib -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="std"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "a8e9c20b9274fec1744e809810d376ce6dc23e352bd99d1872c0f0c756a64c30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8e9c20b9274fec1744e809810d376ce6dc23e352bd99d1872c0f0c756a64c30", kill_on_drop: false }`
[INFO] [stdout] a8e9c20b9274fec1744e809810d376ce6dc23e352bd99d1872c0f0c756a64c30