[INFO] fetching crate readconfig 0.2.5...
[INFO] testing readconfig-0.2.5 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate readconfig 0.2.5 into /workspace/builds/worker-91/source
[INFO] validating manifest of crates.io crate readconfig 0.2.5 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate readconfig 0.2.5
[INFO] finished tweaking crates.io crate readconfig 0.2.5
[INFO] tweaked toml for crates.io crate readconfig 0.2.5 written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5ae232f76933c08c9f0b2747e9ec4f1b00151cfc069069779aff427e253f64e
[INFO] running `Command { std: "docker" "start" "-a" "d5ae232f76933c08c9f0b2747e9ec4f1b00151cfc069069779aff427e253f64e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5ae232f76933c08c9f0b2747e9ec4f1b00151cfc069069779aff427e253f64e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5ae232f76933c08c9f0b2747e9ec4f1b00151cfc069069779aff427e253f64e", kill_on_drop: false }`
[INFO] [stdout] d5ae232f76933c08c9f0b2747e9ec4f1b00151cfc069069779aff427e253f64e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61049c253c6aa38c9b31162c5cd3a5a0b5c177668d5ec07db47a0c2178d6a486
[INFO] running `Command { std: "docker" "start" "-a" "61049c253c6aa38c9b31162c5cd3a5a0b5c177668d5ec07db47a0c2178d6a486", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling readconfig v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "61049c253c6aa38c9b31162c5cd3a5a0b5c177668d5ec07db47a0c2178d6a486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61049c253c6aa38c9b31162c5cd3a5a0b5c177668d5ec07db47a0c2178d6a486", kill_on_drop: false }`
[INFO] [stdout] 61049c253c6aa38c9b31162c5cd3a5a0b5c177668d5ec07db47a0c2178d6a486
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e91a6ebcabeaa82d5f44500bfe94a3a958cf2a0d6dbd601f14e3d2aad9f203a8
[INFO] running `Command { std: "docker" "start" "-a" "e91a6ebcabeaa82d5f44500bfe94a3a958cf2a0d6dbd601f14e3d2aad9f203a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling readconfig v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "e91a6ebcabeaa82d5f44500bfe94a3a958cf2a0d6dbd601f14e3d2aad9f203a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e91a6ebcabeaa82d5f44500bfe94a3a958cf2a0d6dbd601f14e3d2aad9f203a8", kill_on_drop: false }`
[INFO] [stdout] e91a6ebcabeaa82d5f44500bfe94a3a958cf2a0d6dbd601f14e3d2aad9f203a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b46f36e3d268d2e1da19f189dc6987bb3e53e18063e0c09299b5d99a26368853
[INFO] running `Command { std: "docker" "start" "-a" "b46f36e3d268d2e1da19f189dc6987bb3e53e18063e0c09299b5d99a26368853", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/readconfig-2430566af8488bf8)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests readconfig
[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] [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" "b46f36e3d268d2e1da19f189dc6987bb3e53e18063e0c09299b5d99a26368853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b46f36e3d268d2e1da19f189dc6987bb3e53e18063e0c09299b5d99a26368853", kill_on_drop: false }`
[INFO] [stdout] b46f36e3d268d2e1da19f189dc6987bb3e53e18063e0c09299b5d99a26368853