[INFO] cloning repository https://github.com/srgpqt/romajify
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/srgpqt/romajify" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsrgpqt%2Fromajify", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsrgpqt%2Fromajify'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2ced2c69c10b19c678368c4b3c013719471b8d8
[INFO] checking srgpqt/romajify against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsrgpqt%2Fromajify" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/srgpqt/romajify on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/srgpqt/romajify
[INFO] finished tweaking git repo https://github.com/srgpqt/romajify
[INFO] tweaked toml for git repo https://github.com/srgpqt/romajify written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/srgpqt/romajify 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex-syntax v0.3.4
[INFO] [stderr]   Downloaded regex v0.1.73
[INFO] [stderr]   Downloaded thread_local v0.2.6
[INFO] [stderr]   Downloaded aho-corasick v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3847c7abe28ee9d35c4264c1fb4bd1238554b1c9ff95da54baaa824df5f34457
[INFO] running `Command { std: "docker" "start" "-a" "3847c7abe28ee9d35c4264c1fb4bd1238554b1c9ff95da54baaa824df5f34457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3847c7abe28ee9d35c4264c1fb4bd1238554b1c9ff95da54baaa824df5f34457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3847c7abe28ee9d35c4264c1fb4bd1238554b1c9ff95da54baaa824df5f34457", kill_on_drop: false }`
[INFO] [stdout] 3847c7abe28ee9d35c4264c1fb4bd1238554b1c9ff95da54baaa824df5f34457
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d446719d9803b4653a7b6c00fa9948dc98eacebfbca9fef82035b39647492b7
[INFO] running `Command { std: "docker" "start" "-a" "0d446719d9803b4653a7b6c00fa9948dc98eacebfbca9fef82035b39647492b7", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.15
[INFO] [stderr]     Checking regex-syntax v0.3.4
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking lazy_static v0.2.1
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread_local v0.2.6
[INFO] [stderr]     Checking aho-corasick v0.5.2
[INFO] [stderr]     Checking regex v0.1.73
[INFO] [stderr]     Checking romajify v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `&&Vec<String>` is not an iterator
[INFO] [stdout]  --> src/mecab.rs:5:57
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let output = try!( process::Command::new("mecab").args(&args).output() );
[INFO] [stdout]   |                                                       ---- ^^^^^ `&&Vec<String>` is not an iterator
[INFO] [stdout]   |                                                       |
[INFO] [stdout]   |                                                       required by a bound introduced by this call
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Iterator` is not implemented for `&&Vec<String>`, which is required by `&&Vec<String>: IntoIterator`
[INFO] [stdout]   = note: required for `&&Vec<String>` to implement `IntoIterator`
[INFO] [stdout] note: required by a bound in `Command::args`
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/process.rs:657:5
[INFO] [stdout] help: consider dereferencing here
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let output = try!( process::Command::new("mecab").args(&*args).output() );
[INFO] [stdout]   |                                                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `&&Vec<String>` is not an iterator
[INFO] [stdout]  --> src/mecab.rs:5:57
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let output = try!( process::Command::new("mecab").args(&args).output() );
[INFO] [stdout]   |                                                       ---- ^^^^^ `&&Vec<String>` is not an iterator
[INFO] [stdout]   |                                                       |
[INFO] [stdout]   |                                                       required by a bound introduced by this call
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Iterator` is not implemented for `&&Vec<String>`, which is required by `&&Vec<String>: IntoIterator`
[INFO] [stdout]   = note: required for `&&Vec<String>` to implement `IntoIterator`
[INFO] [stdout] note: required by a bound in `Command::args`
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/process.rs:657:5
[INFO] [stdout] help: consider dereferencing here
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let output = try!( process::Command::new("mecab").args(&*args).output() );
[INFO] [stdout]   |                                                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `romajify` (bin "romajify") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `romajify` (bin "romajify" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0d446719d9803b4653a7b6c00fa9948dc98eacebfbca9fef82035b39647492b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d446719d9803b4653a7b6c00fa9948dc98eacebfbca9fef82035b39647492b7", kill_on_drop: false }`
[INFO] [stdout] 0d446719d9803b4653a7b6c00fa9948dc98eacebfbca9fef82035b39647492b7