[INFO] fetching crate roman_encoder 1.1.0...
[INFO] testing roman_encoder-1.1.0 against beta-2022-04-10 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 beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 251a022dc0f81416dea5519bc4178d3e38d96af14331f13e1497f725b3b4711e
[INFO] running `Command { std: "docker" "start" "-a" "251a022dc0f81416dea5519bc4178d3e38d96af14331f13e1497f725b3b4711e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "251a022dc0f81416dea5519bc4178d3e38d96af14331f13e1497f725b3b4711e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "251a022dc0f81416dea5519bc4178d3e38d96af14331f13e1497f725b3b4711e", kill_on_drop: false }`
[INFO] [stdout] 251a022dc0f81416dea5519bc4178d3e38d96af14331f13e1497f725b3b4711e
[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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b098120f62362cd76b7ed5a7ca7ab8f257ca31aa9c869a5fc988314a59a58b6d
[INFO] running `Command { std: "docker" "start" "-a" "b098120f62362cd76b7ed5a7ca7ab8f257ca31aa9c869a5fc988314a59a58b6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman_encoder v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "b098120f62362cd76b7ed5a7ca7ab8f257ca31aa9c869a5fc988314a59a58b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b098120f62362cd76b7ed5a7ca7ab8f257ca31aa9c869a5fc988314a59a58b6d", kill_on_drop: false }`
[INFO] [stdout] b098120f62362cd76b7ed5a7ca7ab8f257ca31aa9c869a5fc988314a59a58b6d
[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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1375cade457019e185b7ea2f8c937321d58c5a5e5e8968697d48d54121ce582
[INFO] running `Command { std: "docker" "start" "-a" "f1375cade457019e185b7ea2f8c937321d58c5a5e5e8968697d48d54121ce582", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman_encoder v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/roman_encoder-59b643df9c2ace83)
[INFO] running `Command { std: "docker" "inspect" "f1375cade457019e185b7ea2f8c937321d58c5a5e5e8968697d48d54121ce582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1375cade457019e185b7ea2f8c937321d58c5a5e5e8968697d48d54121ce582", kill_on_drop: false }`
[INFO] [stdout] f1375cade457019e185b7ea2f8c937321d58c5a5e5e8968697d48d54121ce582
[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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4cfd87cb3d6bb2e7b98b33f3aa2c66f2393307c05a3428cd98dced0d208e56c2
[INFO] running `Command { std: "docker" "start" "-a" "4cfd87cb3d6bb2e7b98b33f3aa2c66f2393307c05a3428cd98dced0d208e56c2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/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 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "4cfd87cb3d6bb2e7b98b33f3aa2c66f2393307c05a3428cd98dced0d208e56c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cfd87cb3d6bb2e7b98b33f3aa2c66f2393307c05a3428cd98dced0d208e56c2", kill_on_drop: false }`
[INFO] [stdout] 4cfd87cb3d6bb2e7b98b33f3aa2c66f2393307c05a3428cd98dced0d208e56c2