[INFO] fetching crate rcstr 0.1.0...
[INFO] testing rcstr-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate rcstr 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate rcstr 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rcstr 0.1.0
[INFO] finished tweaking crates.io crate rcstr 0.1.0
[INFO] tweaked toml for crates.io crate rcstr 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a939b79bc8ab562af953f14039ba8106785df35e5375910afb2f7d83b41c3f2
[INFO] running `Command { std: "docker" "start" "-a" "8a939b79bc8ab562af953f14039ba8106785df35e5375910afb2f7d83b41c3f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a939b79bc8ab562af953f14039ba8106785df35e5375910afb2f7d83b41c3f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a939b79bc8ab562af953f14039ba8106785df35e5375910afb2f7d83b41c3f2", kill_on_drop: false }`
[INFO] [stdout] 8a939b79bc8ab562af953f14039ba8106785df35e5375910afb2f7d83b41c3f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce20145090756f2fda7548b88cac6af1e60d2366904922acc2e07d568b70d3f4
[INFO] running `Command { std: "docker" "start" "-a" "ce20145090756f2fda7548b88cac6af1e60d2366904922acc2e07d568b70d3f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcstr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "ce20145090756f2fda7548b88cac6af1e60d2366904922acc2e07d568b70d3f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce20145090756f2fda7548b88cac6af1e60d2366904922acc2e07d568b70d3f4", kill_on_drop: false }`
[INFO] [stdout] ce20145090756f2fda7548b88cac6af1e60d2366904922acc2e07d568b70d3f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ba98c0e81a5360a03f0ecb46635983f59f28e57be2a5da2479236217fc638b4
[INFO] running `Command { std: "docker" "start" "-a" "5ba98c0e81a5360a03f0ecb46635983f59f28e57be2a5da2479236217fc638b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcstr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "5ba98c0e81a5360a03f0ecb46635983f59f28e57be2a5da2479236217fc638b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ba98c0e81a5360a03f0ecb46635983f59f28e57be2a5da2479236217fc638b4", kill_on_drop: false }`
[INFO] [stdout] 5ba98c0e81a5360a03f0ecb46635983f59f28e57be2a5da2479236217fc638b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 004ee3100ab9e6403ed364f4185341a9bdf9a566c9b51e53eac6c74e4f9fb59b
[INFO] running `Command { std: "docker" "start" "-a" "004ee3100ab9e6403ed364f4185341a9bdf9a566c9b51e53eac6c74e4f9fb59b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rcstr-4af4ee81e5cdd2e0)
[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 rcstr
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - RcStr::new (line 32) ... 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 0.60s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "004ee3100ab9e6403ed364f4185341a9bdf9a566c9b51e53eac6c74e4f9fb59b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "004ee3100ab9e6403ed364f4185341a9bdf9a566c9b51e53eac6c74e4f9fb59b", kill_on_drop: false }`
[INFO] [stdout] 004ee3100ab9e6403ed364f4185341a9bdf9a566c9b51e53eac6c74e4f9fb59b