[INFO] fetching crate roman_encoder 1.1.0...
[INFO] testing roman_encoder-1.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate roman_encoder 1.1.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate roman_encoder 1.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate roman_encoder 1.1.0
[INFO] finished tweaking crates.io crate roman_encoder 1.1.0
[INFO] tweaked toml for crates.io crate roman_encoder 1.1.0 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed0b2eecefe8f2663345e0a656f9ccf3ebac9805f56c11d16ebf0af9cc3aff48
[INFO] running `Command { std: "docker" "start" "-a" "ed0b2eecefe8f2663345e0a656f9ccf3ebac9805f56c11d16ebf0af9cc3aff48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed0b2eecefe8f2663345e0a656f9ccf3ebac9805f56c11d16ebf0af9cc3aff48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed0b2eecefe8f2663345e0a656f9ccf3ebac9805f56c11d16ebf0af9cc3aff48", kill_on_drop: false }`
[INFO] [stdout] ed0b2eecefe8f2663345e0a656f9ccf3ebac9805f56c11d16ebf0af9cc3aff48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 265f3730a1bc2ee1f18638999616f674d3fa750e78ebf8b263ac56c8f7af28f2
[INFO] running `Command { std: "docker" "start" "-a" "265f3730a1bc2ee1f18638999616f674d3fa750e78ebf8b263ac56c8f7af28f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman_encoder v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "265f3730a1bc2ee1f18638999616f674d3fa750e78ebf8b263ac56c8f7af28f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "265f3730a1bc2ee1f18638999616f674d3fa750e78ebf8b263ac56c8f7af28f2", kill_on_drop: false }`
[INFO] [stdout] 265f3730a1bc2ee1f18638999616f674d3fa750e78ebf8b263ac56c8f7af28f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91d8cbcc6667c6cbc64f036c209630cc921d5ed6eae6776120f115c49369a2a4
[INFO] running `Command { std: "docker" "start" "-a" "91d8cbcc6667c6cbc64f036c209630cc921d5ed6eae6776120f115c49369a2a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman_encoder v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "91d8cbcc6667c6cbc64f036c209630cc921d5ed6eae6776120f115c49369a2a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91d8cbcc6667c6cbc64f036c209630cc921d5ed6eae6776120f115c49369a2a4", kill_on_drop: false }`
[INFO] [stdout] 91d8cbcc6667c6cbc64f036c209630cc921d5ed6eae6776120f115c49369a2a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dfb004df994dc9a528a786d41c04e95f00d018552098f7140a38ad35eb514f17
[INFO] running `Command { std: "docker" "start" "-a" "dfb004df994dc9a528a786d41c04e95f00d018552098f7140a38ad35eb514f17", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/roman_encoder-3ade5274ea4ef614)
[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 roman_encoder
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - roman::Roman::roman (line 5) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - roman::Roman::roman (line 5) stdout ----
[INFO] [stdout] error[E0599]: no method named `roman` found for reference `&'static str` in the current scope
[INFO] [stdout]  --> src/lib.rs:6:48
[INFO] [stdout]   |
[INFO] [stdout] 3 | println!("Hello, world! : {}", "Hello, world!".roman())
[INFO] [stdout]   |                                                ^^^^^ method not found in `&'static str`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - roman::Roman::roman (line 5)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "dfb004df994dc9a528a786d41c04e95f00d018552098f7140a38ad35eb514f17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfb004df994dc9a528a786d41c04e95f00d018552098f7140a38ad35eb514f17", kill_on_drop: false }`
[INFO] [stdout] dfb004df994dc9a528a786d41c04e95f00d018552098f7140a38ad35eb514f17