[INFO] cloning repository https://github.com/kofuk/rebuild
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kofuk/rebuild" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkofuk%2Frebuild", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkofuk%2Frebuild'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 023e7a1d7156bb562a93d5ffdd47390eecd98f72
[INFO] checking kofuk/rebuild 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%2Fkofuk%2Frebuild" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kofuk/rebuild
[INFO] finished tweaking git repo https://github.com/kofuk/rebuild
[INFO] tweaked toml for git repo https://github.com/kofuk/rebuild written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kofuk/rebuild 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/kofuk/rebuild 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 70f547c9ebce3216c8f369f68068456c4bd39934dacc028de63704c9db86de53
[INFO] running `Command { std: "docker" "start" "-a" "70f547c9ebce3216c8f369f68068456c4bd39934dacc028de63704c9db86de53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70f547c9ebce3216c8f369f68068456c4bd39934dacc028de63704c9db86de53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70f547c9ebce3216c8f369f68068456c4bd39934dacc028de63704c9db86de53", kill_on_drop: false }`
[INFO] [stdout] 70f547c9ebce3216c8f369f68068456c4bd39934dacc028de63704c9db86de53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9cca30aeca3659cf93041b21ae8612cb785b4fa73b1f865c5509f7d9efc23790
[INFO] running `Command { std: "docker" "start" "-a" "9cca30aeca3659cf93041b21ae8612cb785b4fa73b1f865c5509f7d9efc23790", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.36
[INFO] [stderr]     Checking inotify-sys v0.1.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.13
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking rebuild v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 | /     #[structopt(name = "filename", help = "Filename to watch", required = true)]
[INFO] [stdout] 198 | |     filename: String,
[INFO] [stdout]     | |____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:199:5
[INFO] [stdout]     |
[INFO] [stdout] 199 | /     #[structopt(
[INFO] [stdout] 200 | |         name = "command",
[INFO] [stdout] 201 | |         help = "Command to execute when the file updated",
[INFO] [stdout] 202 | |         min_values = 1,
[INFO] [stdout] 203 | |         required = true
[INFO] [stdout] 204 | |     )]
[INFO] [stdout] 205 | |     command: Vec<String>,
[INFO] [stdout]     | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rebuild` (bin "rebuild") due to 2 previous errors
[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:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 | /     #[structopt(name = "filename", help = "Filename to watch", required = true)]
[INFO] [stdout] 198 | |     filename: String,
[INFO] [stdout]     | |____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:199:5
[INFO] [stdout]     |
[INFO] [stdout] 199 | /     #[structopt(
[INFO] [stdout] 200 | |         name = "command",
[INFO] [stdout] 201 | |         help = "Command to execute when the file updated",
[INFO] [stdout] 202 | |         min_values = 1,
[INFO] [stdout] 203 | |         required = true
[INFO] [stdout] 204 | |     )]
[INFO] [stdout] 205 | |     command: Vec<String>,
[INFO] [stdout]     | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rebuild` (bin "rebuild" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "9cca30aeca3659cf93041b21ae8612cb785b4fa73b1f865c5509f7d9efc23790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cca30aeca3659cf93041b21ae8612cb785b4fa73b1f865c5509f7d9efc23790", kill_on_drop: false }`
[INFO] [stdout] 9cca30aeca3659cf93041b21ae8612cb785b4fa73b1f865c5509f7d9efc23790