[INFO] fetching crate structopt 0.3.21...
[INFO] testing structopt-0.3.21 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate structopt 0.3.21 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate structopt 0.3.21 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate structopt 0.3.21
[INFO] finished tweaking crates.io crate structopt 0.3.21
[INFO] tweaked toml for crates.io crate structopt 0.3.21 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate structopt 0.3.21 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db139a5becfa3471f964dcd4b6c8ec3ceec102539a3ee46a8985b63346a8d4d5
[INFO] running `Command { std: "docker" "start" "-a" "db139a5becfa3471f964dcd4b6c8ec3ceec102539a3ee46a8985b63346a8d4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db139a5becfa3471f964dcd4b6c8ec3ceec102539a3ee46a8985b63346a8d4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db139a5becfa3471f964dcd4b6c8ec3ceec102539a3ee46a8985b63346a8d4d5", kill_on_drop: false }`
[INFO] [stdout] db139a5becfa3471f964dcd4b6c8ec3ceec102539a3ee46a8985b63346a8d4d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdd567029fed2da551e00161929e3966a60a9d5f2a15c4d788e7cd2a828df7df
[INFO] running `Command { std: "docker" "start" "-a" "cdd567029fed2da551e00161929e3966a60a9d5f2a15c4d788e7cd2a828df7df", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.30s
[INFO] running `Command { std: "docker" "inspect" "cdd567029fed2da551e00161929e3966a60a9d5f2a15c4d788e7cd2a828df7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdd567029fed2da551e00161929e3966a60a9d5f2a15c4d788e7cd2a828df7df", kill_on_drop: false }`
[INFO] [stdout] cdd567029fed2da551e00161929e3966a60a9d5f2a15c4d788e7cd2a828df7df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbc6d8a2ff6efa3d33853fa9923a49b148d6dd5a545654325dc100cc2e1e6781
[INFO] running `Command { std: "docker" "start" "-a" "bbc6d8a2ff6efa3d33853fa9923a49b148d6dd5a545654325dc100cc2e1e6781", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling dissimilar v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling trybuild v1.0.27
[INFO] [stderr]    Compiling structopt v0.3.21 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/special_types.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/non_literal_attributes.rs:146:68
[INFO] [stdout]     |
[INFO] [stdout] 146 |     assert!(err.message.contains("invalid digit found in string"), err);
[INFO] [stdout]     |                                                                    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 146 |     assert!(err.message.contains("invalid digit found in string"), "{}", err);
[INFO] [stdout]     |                                                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `structopt`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name argument_naming --edition=2018 tests/argument_naming.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' -C metadata=4bc014f0af966aec -C extra-filename=-4bc014f0af966aec --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-f746aff9f513e055.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-ff2d4c059a61c830.rlib --extern rustversion=/opt/rustwide/target/debug/deps/librustversion-e62c11d9580537dd.so --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-1914bde5fc34bdac.rlib --extern structopt_derive=/opt/rustwide/target/debug/deps/libstructopt_derive-477ee507abbabf10.so --extern trybuild=/opt/rustwide/target/debug/deps/libtrybuild-b87502af460c20c4.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bbc6d8a2ff6efa3d33853fa9923a49b148d6dd5a545654325dc100cc2e1e6781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbc6d8a2ff6efa3d33853fa9923a49b148d6dd5a545654325dc100cc2e1e6781", kill_on_drop: false }`
[INFO] [stdout] bbc6d8a2ff6efa3d33853fa9923a49b148d6dd5a545654325dc100cc2e1e6781