[INFO] fetching crate roman-numerals 0.4.0...
[INFO] testing roman-numerals-0.4.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate roman-numerals 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate roman-numerals 0.4.0
[INFO] finished tweaking crates.io crate roman-numerals 0.4.0
[INFO] tweaked toml for crates.io crate roman-numerals 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate roman-numerals 0.4.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08e0ccaa3fb8216871011ae46b76424bdeb922612c96d266709b8de62c195da6
[INFO] running `Command { std: "docker" "start" "-a" "08e0ccaa3fb8216871011ae46b76424bdeb922612c96d266709b8de62c195da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08e0ccaa3fb8216871011ae46b76424bdeb922612c96d266709b8de62c195da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08e0ccaa3fb8216871011ae46b76424bdeb922612c96d266709b8de62c195da6", kill_on_drop: false }`
[INFO] [stdout] 08e0ccaa3fb8216871011ae46b76424bdeb922612c96d266709b8de62c195da6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10f207d1bdd1de88d3e4b161a0f704c8e9fa3f94f076b74576ab9a45661cd63f
[INFO] running `Command { std: "docker" "start" "-a" "10f207d1bdd1de88d3e4b161a0f704c8e9fa3f94f076b74576ab9a45661cd63f", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman-numerals v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "10f207d1bdd1de88d3e4b161a0f704c8e9fa3f94f076b74576ab9a45661cd63f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10f207d1bdd1de88d3e4b161a0f704c8e9fa3f94f076b74576ab9a45661cd63f", kill_on_drop: false }`
[INFO] [stdout] 10f207d1bdd1de88d3e4b161a0f704c8e9fa3f94f076b74576ab9a45661cd63f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce1ed7f2c409f0480e1475556065588795875e0416fe13262651962fdea33467
[INFO] running `Command { std: "docker" "start" "-a" "ce1ed7f2c409f0480e1475556065588795875e0416fe13262651962fdea33467", kill_on_drop: false }`
[INFO] [stderr]    Compiling roman-numerals v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "ce1ed7f2c409f0480e1475556065588795875e0416fe13262651962fdea33467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce1ed7f2c409f0480e1475556065588795875e0416fe13262651962fdea33467", kill_on_drop: false }`
[INFO] [stdout] ce1ed7f2c409f0480e1475556065588795875e0416fe13262651962fdea33467
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 195e6e2728d3694c829905509ab6d92089f2ecf3ec5ef83ba80ae877886c08a4
[INFO] running `Command { std: "docker" "start" "-a" "195e6e2728d3694c829905509ab6d92089f2ecf3ec5ef83ba80ae877886c08a4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/roman_numerals-b1f2b7032750d2a5)
[INFO] [stderr]      Running tests/from_roman.rs (/opt/rustwide/target/debug/deps/from_roman-0eae5a77d948f003)
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test invalids ... ok
[INFO] [stdout] test uppercase_lowercase ... ok
[INFO] [stdout] test zero_to_one_hundred ... ok
[INFO] [stderr]      Running tests/to_roman.rs (/opt/rustwide/target/debug/deps/to_roman-6c14cf2b0ef16cc3)
[INFO] [stdout] test basics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test basics ... ok
[INFO] [stdout] test extended ... ok
[INFO] [stdout] test random_values ... ok
[INFO] [stdout] test zero_to_one_hundred ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests roman_numerals
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/to_roman.rs - to_roman::ToRoman::to_roman (line 6) ... ok
[INFO] [stdout] test src/from_roman.rs - from_roman::FromRoman::from_roman (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "195e6e2728d3694c829905509ab6d92089f2ecf3ec5ef83ba80ae877886c08a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "195e6e2728d3694c829905509ab6d92089f2ecf3ec5ef83ba80ae877886c08a4", kill_on_drop: false }`
[INFO] [stdout] 195e6e2728d3694c829905509ab6d92089f2ecf3ec5ef83ba80ae877886c08a4