[INFO] fetching crate paksir 0.1.1...
[INFO] checking paksir-0.1.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate paksir 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate paksir 0.1.1
[INFO] finished tweaking crates.io crate paksir 0.1.1
[INFO] tweaked toml for crates.io crate paksir 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate paksir 0.1.1 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 paksir 0.1.1 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 52c622086579668c7a3afbfde00f5a4f3048edbbbb3c9ad76cf34bbc3aa4a271
[INFO] running `Command { std: "docker" "start" "-a" "52c622086579668c7a3afbfde00f5a4f3048edbbbb3c9ad76cf34bbc3aa4a271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52c622086579668c7a3afbfde00f5a4f3048edbbbb3c9ad76cf34bbc3aa4a271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52c622086579668c7a3afbfde00f5a4f3048edbbbb3c9ad76cf34bbc3aa4a271", kill_on_drop: false }`
[INFO] [stdout] 52c622086579668c7a3afbfde00f5a4f3048edbbbb3c9ad76cf34bbc3aa4a271
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e57cb3c2975624cea380a5d400c7be359f1ed3ee9e9537149eb78e8e24223abd
[INFO] running `Command { std: "docker" "start" "-a" "e57cb3c2975624cea380a5d400c7be359f1ed3ee9e9537149eb78e8e24223abd", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.51
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking paksir v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> src/input.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | /   /// Search for a package
[INFO] [stdout] 7 | |   #[structopt(short, long)]
[INFO] [stdout] 8 | |   pub search: 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/input.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | /   /// Search for a package
[INFO] [stdout] 7 | |   #[structopt(short, long)]
[INFO] [stdout] 8 | |   pub search: String,
[INFO] [stdout]   | |____________________^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `paksir` (bin "paksir") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `paksir` (bin "paksir" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e57cb3c2975624cea380a5d400c7be359f1ed3ee9e9537149eb78e8e24223abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e57cb3c2975624cea380a5d400c7be359f1ed3ee9e9537149eb78e8e24223abd", kill_on_drop: false }`
[INFO] [stdout] e57cb3c2975624cea380a5d400c7be359f1ed3ee9e9537149eb78e8e24223abd
