[INFO] fetching crate prefix_string 1.0.0...
[INFO] testing prefix_string-1.0.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate prefix_string 1.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate prefix_string 1.0.0
[INFO] finished tweaking crates.io crate prefix_string 1.0.0
[INFO] tweaked toml for crates.io crate prefix_string 1.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prefix_string 1.0.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate prefix_string 1.0.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cd5108f7df7aaf3d20831b7017969b89eaeb41413f9928712253fb72ccc9a4b
[INFO] running `Command { std: "docker" "start" "-a" "9cd5108f7df7aaf3d20831b7017969b89eaeb41413f9928712253fb72ccc9a4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cd5108f7df7aaf3d20831b7017969b89eaeb41413f9928712253fb72ccc9a4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cd5108f7df7aaf3d20831b7017969b89eaeb41413f9928712253fb72ccc9a4b", kill_on_drop: false }`
[INFO] [stdout] 9cd5108f7df7aaf3d20831b7017969b89eaeb41413f9928712253fb72ccc9a4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 085acdac5da06bfca2a096c18cd8bb5c48e81da6e89e1599a7468f0f69d18943
[INFO] running `Command { std: "docker" "start" "-a" "085acdac5da06bfca2a096c18cd8bb5c48e81da6e89e1599a7468f0f69d18943", kill_on_drop: false }`
[INFO] [stderr]    Compiling prefix_string v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "085acdac5da06bfca2a096c18cd8bb5c48e81da6e89e1599a7468f0f69d18943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "085acdac5da06bfca2a096c18cd8bb5c48e81da6e89e1599a7468f0f69d18943", kill_on_drop: false }`
[INFO] [stdout] 085acdac5da06bfca2a096c18cd8bb5c48e81da6e89e1599a7468f0f69d18943
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b451556e7858785da9fbb8f77ac4d0abfc9897c7e36867a1c73c7a1dafeb1b73
[INFO] running `Command { std: "docker" "start" "-a" "b451556e7858785da9fbb8f77ac4d0abfc9897c7e36867a1c73c7a1dafeb1b73", kill_on_drop: false }`
[INFO] [stderr]    Compiling prefix_string v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "b451556e7858785da9fbb8f77ac4d0abfc9897c7e36867a1c73c7a1dafeb1b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b451556e7858785da9fbb8f77ac4d0abfc9897c7e36867a1c73c7a1dafeb1b73", kill_on_drop: false }`
[INFO] [stdout] b451556e7858785da9fbb8f77ac4d0abfc9897c7e36867a1c73c7a1dafeb1b73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0139a035472788b455bcef5b0ef7e7b4286bb99d9852f2d4802bbd788b506eaf
[INFO] running `Command { std: "docker" "start" "-a" "0139a035472788b455bcef5b0ef7e7b4286bb99d9852f2d4802bbd788b506eaf", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test already_prefixed ... ok
[INFO] [stdout] test regular_usage ... ok
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prefix_string-7e574f8a6795b422)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/prefix_string-d26b44df36ed24a7)
[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 prefix_string
[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] running `Command { std: "docker" "inspect" "0139a035472788b455bcef5b0ef7e7b4286bb99d9852f2d4802bbd788b506eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0139a035472788b455bcef5b0ef7e7b4286bb99d9852f2d4802bbd788b506eaf", kill_on_drop: false }`
[INFO] [stdout] 0139a035472788b455bcef5b0ef7e7b4286bb99d9852f2d4802bbd788b506eaf