[INFO] fetching crate cargo-whereis 0.1.0...
[INFO] checking cargo-whereis-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate cargo-whereis 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate cargo-whereis 0.1.0
[INFO] finished tweaking crates.io crate cargo-whereis 0.1.0
[INFO] tweaked toml for crates.io crate cargo-whereis 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-whereis 0.1.0 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 crates.io crate cargo-whereis 0.1.0 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0a05b98a449462f31d30a0566b45342e7db433468bd1fdfb3f5c1d1777be5084
[INFO] running `Command { std: "docker" "start" "-a" "0a05b98a449462f31d30a0566b45342e7db433468bd1fdfb3f5c1d1777be5084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a05b98a449462f31d30a0566b45342e7db433468bd1fdfb3f5c1d1777be5084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a05b98a449462f31d30a0566b45342e7db433468bd1fdfb3f5c1d1777be5084", kill_on_drop: false }`
[INFO] [stdout] 0a05b98a449462f31d30a0566b45342e7db433468bd1fdfb3f5c1d1777be5084
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5a1c5c99943dfeedfc52c2106232e0fa1cb9443c8b9e150b4bd826899d6c10ef
[INFO] running `Command { std: "docker" "start" "-a" "5a1c5c99943dfeedfc52c2106232e0fa1cb9443c8b9e150b4bd826899d6c10ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling camino v1.0.4
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking object v0.24.0
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking pathdiff v0.2.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]     Checking addr2line v0.15.1
[INFO] [stderr]     Checking color-eyre v0.5.11
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking cargo-platform v0.1.1
[INFO] [stderr]     Checking semver v0.11.0
[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") 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" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "5a1c5c99943dfeedfc52c2106232e0fa1cb9443c8b9e150b4bd826899d6c10ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a1c5c99943dfeedfc52c2106232e0fa1cb9443c8b9e150b4bd826899d6c10ef", kill_on_drop: false }`
[INFO] [stdout] 5a1c5c99943dfeedfc52c2106232e0fa1cb9443c8b9e150b4bd826899d6c10ef