[INFO] fetching crate singularize 0.1.0...
[INFO] testing singularize-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate singularize 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate singularize 0.1.0
[INFO] finished tweaking crates.io crate singularize 0.1.0
[INFO] tweaked toml for crates.io crate singularize 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate singularize 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1e35700e0deb6da1d2a5b30327d7bb22b7456c184a83d2f5678e2d825f0fed3
[INFO] running `Command { std: "docker" "start" "-a" "a1e35700e0deb6da1d2a5b30327d7bb22b7456c184a83d2f5678e2d825f0fed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1e35700e0deb6da1d2a5b30327d7bb22b7456c184a83d2f5678e2d825f0fed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1e35700e0deb6da1d2a5b30327d7bb22b7456c184a83d2f5678e2d825f0fed3", kill_on_drop: false }`
[INFO] [stdout] a1e35700e0deb6da1d2a5b30327d7bb22b7456c184a83d2f5678e2d825f0fed3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbffeb6715818057cf23f2db0d36e68bbefff89414e0049aec345e60b07780e0
[INFO] running `Command { std: "docker" "start" "-a" "fbffeb6715818057cf23f2db0d36e68bbefff89414e0049aec345e60b07780e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling singularize v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "fbffeb6715818057cf23f2db0d36e68bbefff89414e0049aec345e60b07780e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbffeb6715818057cf23f2db0d36e68bbefff89414e0049aec345e60b07780e0", kill_on_drop: false }`
[INFO] [stdout] fbffeb6715818057cf23f2db0d36e68bbefff89414e0049aec345e60b07780e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f697a9b02f64474dbff94aa1b76378d9cea987992e2a9550e4ba88285af822a
[INFO] running `Command { std: "docker" "start" "-a" "8f697a9b02f64474dbff94aa1b76378d9cea987992e2a9550e4ba88285af822a", kill_on_drop: false }`
[INFO] [stderr]    Compiling singularize v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "8f697a9b02f64474dbff94aa1b76378d9cea987992e2a9550e4ba88285af822a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f697a9b02f64474dbff94aa1b76378d9cea987992e2a9550e4ba88285af822a", kill_on_drop: false }`
[INFO] [stdout] 8f697a9b02f64474dbff94aa1b76378d9cea987992e2a9550e4ba88285af822a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6d7a4aa1a070d839cafc8eee3a4126e3c13782030969c8e30c025adf1164724d
[INFO] running `Command { std: "docker" "start" "-a" "6d7a4aa1a070d839cafc8eee3a4126e3c13782030969c8e30c025adf1164724d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/singularize-fa988471f1500a11)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test known ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests singularize
[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" "6d7a4aa1a070d839cafc8eee3a4126e3c13782030969c8e30c025adf1164724d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d7a4aa1a070d839cafc8eee3a4126e3c13782030969c8e30c025adf1164724d", kill_on_drop: false }`
[INFO] [stdout] 6d7a4aa1a070d839cafc8eee3a4126e3c13782030969c8e30c025adf1164724d