[INFO] cloning repository https://github.com/frugalos/watarikani
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frugalos/watarikani" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrugalos%2Fwatarikani", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrugalos%2Fwatarikani'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62e67ee9a98945b22a11c412aab97c4a266da2fe
[INFO] checking frugalos/watarikani against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrugalos%2Fwatarikani" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/frugalos/watarikani
[INFO] finished tweaking git repo https://github.com/frugalos/watarikani
[INFO] tweaked toml for git repo https://github.com/frugalos/watarikani written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/frugalos/watarikani on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/frugalos/watarikani 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5d70ab73000780b21c0839a724160acd3431b359079cf269f130c7054709fd7
[INFO] running `Command { std: "docker" "start" "-a" "f5d70ab73000780b21c0839a724160acd3431b359079cf269f130c7054709fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5d70ab73000780b21c0839a724160acd3431b359079cf269f130c7054709fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5d70ab73000780b21c0839a724160acd3431b359079cf269f130c7054709fd7", kill_on_drop: false }`
[INFO] [stdout] f5d70ab73000780b21c0839a724160acd3431b359079cf269f130c7054709fd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5220016e49b7ef6652c8286d13e79d1e022266b490750cd2089e064a9efee5e
[INFO] running `Command { std: "docker" "start" "-a" "e5220016e49b7ef6652c8286d13e79d1e022266b490750cd2089e064a9efee5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking atomic_immut v0.1.4
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking splay_tree v0.2.10
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]     Checking nbchan v0.1.3
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking factory v0.1.1
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking fibers v0.1.12
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]    Compiling trackable_derive v0.1.1
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]     Checking trackable v0.2.20
[INFO] [stderr]     Checking bytecodec v0.4.11
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking prometrics v0.1.11
[INFO] [stderr]     Checking protobuf_codec v0.2.6
[INFO] [stderr]     Checking tasque v0.1.4
[INFO] [stderr]     Checking cannyls v0.10.0
[INFO] [stderr]     Checking fibers_tasque v0.1.1
[INFO] [stderr]     Checking fibers_rpc v0.2.17
[INFO] [stderr]     Checking cannyls_rpc v0.2.0
[INFO] [stderr]     Checking watarikani v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:47:10
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[derive(StructOpt, Debug)]
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the derive macro `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `watarikani` (bin "watarikani" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:47:10
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[derive(StructOpt, Debug)]
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the derive macro `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `watarikani` (bin "watarikani") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e5220016e49b7ef6652c8286d13e79d1e022266b490750cd2089e064a9efee5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5220016e49b7ef6652c8286d13e79d1e022266b490750cd2089e064a9efee5e", kill_on_drop: false }`
[INFO] [stdout] e5220016e49b7ef6652c8286d13e79d1e022266b490750cd2089e064a9efee5e