[INFO] fetching crate reverse_str 0.1.0...
[INFO] testing reverse_str-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate reverse_str 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate reverse_str 0.1.0
[INFO] finished tweaking crates.io crate reverse_str 0.1.0
[INFO] tweaked toml for crates.io crate reverse_str 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate reverse_str 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86cb6a5a5eba73b5a2c42412ab71254d198003d5d857ef708f8cab18761cf506
[INFO] running `Command { std: "docker" "start" "-a" "86cb6a5a5eba73b5a2c42412ab71254d198003d5d857ef708f8cab18761cf506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86cb6a5a5eba73b5a2c42412ab71254d198003d5d857ef708f8cab18761cf506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86cb6a5a5eba73b5a2c42412ab71254d198003d5d857ef708f8cab18761cf506", kill_on_drop: false }`
[INFO] [stdout] 86cb6a5a5eba73b5a2c42412ab71254d198003d5d857ef708f8cab18761cf506
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21960aa5c2a0265d66f528fad7bf07d96a450f61493cd9f378261469ffbb8a92
[INFO] running `Command { std: "docker" "start" "-a" "21960aa5c2a0265d66f528fad7bf07d96a450f61493cd9f378261469ffbb8a92", kill_on_drop: false }`
[INFO] [stderr]    Compiling reverse_str v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "21960aa5c2a0265d66f528fad7bf07d96a450f61493cd9f378261469ffbb8a92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21960aa5c2a0265d66f528fad7bf07d96a450f61493cd9f378261469ffbb8a92", kill_on_drop: false }`
[INFO] [stdout] 21960aa5c2a0265d66f528fad7bf07d96a450f61493cd9f378261469ffbb8a92
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5992812b33dcb2627b9925c4e0d3e1c3b4cb7a365e16f79d614dc7aa07f392d1
[INFO] running `Command { std: "docker" "start" "-a" "5992812b33dcb2627b9925c4e0d3e1c3b4cb7a365e16f79d614dc7aa07f392d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling reverse_str v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "5992812b33dcb2627b9925c4e0d3e1c3b4cb7a365e16f79d614dc7aa07f392d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5992812b33dcb2627b9925c4e0d3e1c3b4cb7a365e16f79d614dc7aa07f392d1", kill_on_drop: false }`
[INFO] [stdout] 5992812b33dcb2627b9925c4e0d3e1c3b4cb7a365e16f79d614dc7aa07f392d1
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 565609242dd995d19a694bf68133b212a6e0952936c7103f3024f7dd2aecc1ad
[INFO] running `Command { std: "docker" "start" "-a" "565609242dd995d19a694bf68133b212a6e0952936c7103f3024f7dd2aecc1ad", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/reverse_str-5d44cf7a76d69612)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_reverse ... 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 reverse_str
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - reverse (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "565609242dd995d19a694bf68133b212a6e0952936c7103f3024f7dd2aecc1ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "565609242dd995d19a694bf68133b212a6e0952936c7103f3024f7dd2aecc1ad", kill_on_drop: false }`
[INFO] [stdout] 565609242dd995d19a694bf68133b212a6e0952936c7103f3024f7dd2aecc1ad