[INFO] fetching crate roman_encoder 1.1.0...
[INFO] testing roman_encoder-1.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate roman_encoder 1.1.0 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate roman_encoder 1.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-40/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 073994a9c973d41c627f39fe26b78f120cc7b33cb4b64f4df34dfaca582b0c25
[INFO] running `Command { std: "docker" "start" "-a" "073994a9c973d41c627f39fe26b78f120cc7b33cb4b64f4df34dfaca582b0c25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "073994a9c973d41c627f39fe26b78f120cc7b33cb4b64f4df34dfaca582b0c25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "073994a9c973d41c627f39fe26b78f120cc7b33cb4b64f4df34dfaca582b0c25", kill_on_drop: false }`
[INFO] [stdout] 073994a9c973d41c627f39fe26b78f120cc7b33cb4b64f4df34dfaca582b0c25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07fca0cbb57036c1917f9e0853cd401726c699b655e0c119275604373262968e
[INFO] running `Command { std: "docker" "start" "-a" "07fca0cbb57036c1917f9e0853cd401726c699b655e0c119275604373262968e", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman_encoder v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "07fca0cbb57036c1917f9e0853cd401726c699b655e0c119275604373262968e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07fca0cbb57036c1917f9e0853cd401726c699b655e0c119275604373262968e", kill_on_drop: false }`
[INFO] [stdout] 07fca0cbb57036c1917f9e0853cd401726c699b655e0c119275604373262968e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 577f58d4fd47aef690d571c7c605a0c6202a2a501ab43bf9c5d17c18be970256
[INFO] running `Command { std: "docker" "start" "-a" "577f58d4fd47aef690d571c7c605a0c6202a2a501ab43bf9c5d17c18be970256", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman_encoder v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "577f58d4fd47aef690d571c7c605a0c6202a2a501ab43bf9c5d17c18be970256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "577f58d4fd47aef690d571c7c605a0c6202a2a501ab43bf9c5d17c18be970256", kill_on_drop: false }`
[INFO] [stdout] 577f58d4fd47aef690d571c7c605a0c6202a2a501ab43bf9c5d17c18be970256
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d533d888287f4d49ebb12d025f923cf4d3d0efb907bbe566e825a23b8a9e2330
[INFO] running `Command { std: "docker" "start" "-a" "d533d888287f4d49ebb12d025f923cf4d3d0efb907bbe566e825a23b8a9e2330", 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-59b643df9c2ace83)
[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 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "d533d888287f4d49ebb12d025f923cf4d3d0efb907bbe566e825a23b8a9e2330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d533d888287f4d49ebb12d025f923cf4d3d0efb907bbe566e825a23b8a9e2330", kill_on_drop: false }`
[INFO] [stdout] d533d888287f4d49ebb12d025f923cf4d3d0efb907bbe566e825a23b8a9e2330