[INFO] fetching crate string-join 0.1.2...
[INFO] testing string-join-0.1.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate string-join 0.1.2 into /workspace/builds/worker-60/source
[INFO] validating manifest of crates.io crate string-join 0.1.2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate string-join 0.1.2
[INFO] finished tweaking crates.io crate string-join 0.1.2
[INFO] tweaked toml for crates.io crate string-join 0.1.2 written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eba3535b2ace23359cdffa5dec334cc61629d7f24a29d10fed6fcd7193d2c651
[INFO] running `Command { std: "docker" "start" "-a" "eba3535b2ace23359cdffa5dec334cc61629d7f24a29d10fed6fcd7193d2c651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eba3535b2ace23359cdffa5dec334cc61629d7f24a29d10fed6fcd7193d2c651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eba3535b2ace23359cdffa5dec334cc61629d7f24a29d10fed6fcd7193d2c651", kill_on_drop: false }`
[INFO] [stdout] eba3535b2ace23359cdffa5dec334cc61629d7f24a29d10fed6fcd7193d2c651
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e643f92f7dc2b4fde7be9467de1d0176ab1420f97e069fb067b1c3261f6a8d5
[INFO] running `Command { std: "docker" "start" "-a" "2e643f92f7dc2b4fde7be9467de1d0176ab1420f97e069fb067b1c3261f6a8d5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling string-join v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "2e643f92f7dc2b4fde7be9467de1d0176ab1420f97e069fb067b1c3261f6a8d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e643f92f7dc2b4fde7be9467de1d0176ab1420f97e069fb067b1c3261f6a8d5", kill_on_drop: false }`
[INFO] [stdout] 2e643f92f7dc2b4fde7be9467de1d0176ab1420f97e069fb067b1c3261f6a8d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a77d7893ad353cf4458cbf8d284969e9747ee77320e74bb6913d42d8d32affa
[INFO] running `Command { std: "docker" "start" "-a" "3a77d7893ad353cf4458cbf8d284969e9747ee77320e74bb6913d42d8d32affa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling string-join v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "3a77d7893ad353cf4458cbf8d284969e9747ee77320e74bb6913d42d8d32affa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a77d7893ad353cf4458cbf8d284969e9747ee77320e74bb6913d42d8d32affa", kill_on_drop: false }`
[INFO] [stdout] 3a77d7893ad353cf4458cbf8d284969e9747ee77320e74bb6913d42d8d32affa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1dc15533cac68d43d3c5a9592b3e1525af091303250136efc37962ffa3c98ecf
[INFO] running `Command { std: "docker" "start" "-a" "1dc15533cac68d43d3c5a9592b3e1525af091303250136efc37962ffa3c98ecf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/string_join-ecc1680bbf235f86)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test as_ref::tests::join_hashset ... ok
[INFO] [stdout] test display::tests::join_hashset ... ok
[INFO] [stdout] test display::tests::write_join_to_file ... ok
[INFO] [stdout] test display::tests::join_with_borrowed_string ... ok
[INFO] [stdout] test as_ref::tests::join_with_heap_string ... ok
[INFO] [stdout] test display::tests::join_with_heap_string ... ok
[INFO] [stdout] test as_ref::tests::join_with_borrowed_string ... ok
[INFO] [stdout] test display::tests::join_with_cow_string ... ok
[INFO] [stdout] test as_ref::tests::write_join_to_file ... ok
[INFO] [stdout] test as_ref::tests::join_with_cow_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests string-join
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 15) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.74s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1dc15533cac68d43d3c5a9592b3e1525af091303250136efc37962ffa3c98ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dc15533cac68d43d3c5a9592b3e1525af091303250136efc37962ffa3c98ecf", kill_on_drop: false }`
[INFO] [stdout] 1dc15533cac68d43d3c5a9592b3e1525af091303250136efc37962ffa3c98ecf