[INFO] cloning repository https://github.com/coriolinus/whereis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coriolinus/whereis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoriolinus%2Fwhereis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoriolinus%2Fwhereis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0753b6ca7e3eeeac54ee8510c65c44331654e34f
[INFO] checking coriolinus/whereis 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%2Fcoriolinus%2Fwhereis" "/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/coriolinus/whereis
[INFO] finished tweaking git repo https://github.com/coriolinus/whereis
[INFO] tweaked toml for git repo https://github.com/coriolinus/whereis written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/coriolinus/whereis 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/coriolinus/whereis 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] 59b3c68a12a2d0b594d90148edae15a6809276b94a106e6501b41e348d1dc9a4
[INFO] running `Command { std: "docker" "start" "-a" "59b3c68a12a2d0b594d90148edae15a6809276b94a106e6501b41e348d1dc9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59b3c68a12a2d0b594d90148edae15a6809276b94a106e6501b41e348d1dc9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59b3c68a12a2d0b594d90148edae15a6809276b94a106e6501b41e348d1dc9a4", kill_on_drop: false }`
[INFO] [stdout] 59b3c68a12a2d0b594d90148edae15a6809276b94a106e6501b41e348d1dc9a4
[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] 77f75ba3548f909234dd29930ca3cce926d0f54b8f775001c9acf14174172e69
[INFO] running `Command { std: "docker" "start" "-a" "77f75ba3548f909234dd29930ca3cce926d0f54b8f775001c9acf14174172e69", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]    Compiling camino v1.0.4
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking rustc-demangle v0.1.19
[INFO] [stderr]     Checking object v0.24.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking pathdiff v0.2.0
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking addr2line v0.15.1
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking color-eyre v0.5.11
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking cargo-platform v0.1.1
[INFO] [stderr]     Checking cargo_metadata v0.13.1
[INFO] [stderr]     Checking cargo-whereis 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:8:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | /     /// Cargo subcommands get a bonus argument: the name of the subcommand.
[INFO] [stdout]  9 | |     ///
[INFO] [stdout] 10 | |     /// That's not useful for us, so we just ignore it.
[INFO] [stdout] 11 | |     #[structopt(hidden=true)]
[INFO] [stdout] 12 | |     _subcommand: 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:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     /// Which crate to find.
[INFO] [stdout] 41 | |     ///
[INFO] [stdout] 42 | |     /// Note: this must be the official crate name, even if it has an alias.
[INFO] [stdout] 43 | |     #[structopt(name = "CRATE")]
[INFO] [stdout] 44 | |     package: String,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-whereis` (bin "cargo-whereis" test) 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:8:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | /     /// Cargo subcommands get a bonus argument: the name of the subcommand.
[INFO] [stdout]  9 | |     ///
[INFO] [stdout] 10 | |     /// That's not useful for us, so we just ignore it.
[INFO] [stdout] 11 | |     #[structopt(hidden=true)]
[INFO] [stdout] 12 | |     _subcommand: 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:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     /// Which crate to find.
[INFO] [stdout] 41 | |     ///
[INFO] [stdout] 42 | |     /// Note: this must be the official crate name, even if it has an alias.
[INFO] [stdout] 43 | |     #[structopt(name = "CRATE")]
[INFO] [stdout] 44 | |     package: String,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-whereis` (bin "cargo-whereis") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "77f75ba3548f909234dd29930ca3cce926d0f54b8f775001c9acf14174172e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77f75ba3548f909234dd29930ca3cce926d0f54b8f775001c9acf14174172e69", kill_on_drop: false }`
[INFO] [stdout] 77f75ba3548f909234dd29930ca3cce926d0f54b8f775001c9acf14174172e69