[INFO] fetching crate valargs 0.1.9...
[INFO] testing valargs-0.1.9 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate valargs 0.1.9 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate valargs 0.1.9
[INFO] finished tweaking crates.io crate valargs 0.1.9
[INFO] tweaked toml for crates.io crate valargs 0.1.9 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate valargs 0.1.9 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate valargs 0.1.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ad54353121e2c832a25a0defe234d2d7bf37665dd9d418af714f0e8c492d56d
[INFO] running `Command { std: "docker" "start" "-a" "5ad54353121e2c832a25a0defe234d2d7bf37665dd9d418af714f0e8c492d56d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ad54353121e2c832a25a0defe234d2d7bf37665dd9d418af714f0e8c492d56d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ad54353121e2c832a25a0defe234d2d7bf37665dd9d418af714f0e8c492d56d", kill_on_drop: false }`
[INFO] [stdout] 5ad54353121e2c832a25a0defe234d2d7bf37665dd9d418af714f0e8c492d56d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ece1fd941df38e27fbd8514ebd29bcf726f0abbc911242506a9435154288b74
[INFO] running `Command { std: "docker" "start" "-a" "2ece1fd941df38e27fbd8514ebd29bcf726f0abbc911242506a9435154288b74", kill_on_drop: false }`
[INFO] [stderr]    Compiling valargs v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "2ece1fd941df38e27fbd8514ebd29bcf726f0abbc911242506a9435154288b74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ece1fd941df38e27fbd8514ebd29bcf726f0abbc911242506a9435154288b74", kill_on_drop: false }`
[INFO] [stdout] 2ece1fd941df38e27fbd8514ebd29bcf726f0abbc911242506a9435154288b74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b45865a5beb5c98384ae9c52d519d11524b473d61790d69e0301eb2167aeff7e
[INFO] running `Command { std: "docker" "start" "-a" "b45865a5beb5c98384ae9c52d519d11524b473d61790d69e0301eb2167aeff7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling valargs v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "b45865a5beb5c98384ae9c52d519d11524b473d61790d69e0301eb2167aeff7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b45865a5beb5c98384ae9c52d519d11524b473d61790d69e0301eb2167aeff7e", kill_on_drop: false }`
[INFO] [stdout] b45865a5beb5c98384ae9c52d519d11524b473d61790d69e0301eb2167aeff7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5bb8b813d85ac0959e378521abaab34c28cfeac81fe50c2f00e0e56327facde3
[INFO] running `Command { std: "docker" "start" "-a" "5bb8b813d85ac0959e378521abaab34c28cfeac81fe50c2f00e0e56327facde3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/valargs-831c52588ac3be01)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::parse_args ... ok
[INFO] [stdout] test tests::neg_number ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests valargs
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Args (line 24) ... FAILED
[INFO] [stdout] test src/lib.rs - parse (line 8) ... ok
[INFO] [stdout] test src/lib.rs - Args::nth (line 54) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Args (line 24) stdout ----
[INFO] [stdout] error[E0277]: `Option<&str>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/lib.rs:38:40
[INFO] [stdout]    |
[INFO] [stdout] 38 |     println!("the cat likes {} a lot", favorite_food);
[INFO] [stdout]    |                             --         ^^^^^^^^^^^^^ `Option<&str>` cannot be formatted with the default formatter
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             required by this formatting parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `Option<&str>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Args (line 24)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.57s; merged doctests compilation took 0.11s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "5bb8b813d85ac0959e378521abaab34c28cfeac81fe50c2f00e0e56327facde3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bb8b813d85ac0959e378521abaab34c28cfeac81fe50c2f00e0e56327facde3", kill_on_drop: false }`
[INFO] [stdout] 5bb8b813d85ac0959e378521abaab34c28cfeac81fe50c2f00e0e56327facde3
