[INFO] fetching crate lockpipes 1.0.0...
[INFO] checking lockpipes-1.0.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate lockpipes 1.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate lockpipes 1.0.0
[INFO] finished tweaking crates.io crate lockpipes 1.0.0
[INFO] tweaked toml for crates.io crate lockpipes 1.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lockpipes 1.0.0 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 lockpipes 1.0.0 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6f04913e4b9a3ec25fe6bb4d92ec317ed2e42edd9575e3149eef4258e6ff6775
[INFO] running `Command { std: "docker" "start" "-a" "6f04913e4b9a3ec25fe6bb4d92ec317ed2e42edd9575e3149eef4258e6ff6775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f04913e4b9a3ec25fe6bb4d92ec317ed2e42edd9575e3149eef4258e6ff6775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f04913e4b9a3ec25fe6bb4d92ec317ed2e42edd9575e3149eef4258e6ff6775", kill_on_drop: false }`
[INFO] [stdout] 6f04913e4b9a3ec25fe6bb4d92ec317ed2e42edd9575e3149eef4258e6ff6775
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5724ae5cf2cfb9f56d2b4085f738de9466ab088d6327602e0765fd9cead7905e
[INFO] running `Command { std: "docker" "start" "-a" "5724ae5cf2cfb9f56d2b4085f738de9466ab088d6327602e0765fd9cead7905e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.21.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking lockpipes v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/command.rs:7:3
[INFO] [stdout]    |
[INFO] [stdout]  7 | /   #[structopt(
[INFO] [stdout]  8 | |     long,
[INFO] [stdout]  9 | |     short,
[INFO] [stdout] 10 | |     env = "LOCKPIPE_PATH",
[INFO] [stdout] ...  |
[INFO] [stdout] 13 | |   )]
[INFO] [stdout] 14 | |   path: PathBuf,
[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<PathBuf, Infallible>
[INFO] [stdout]   --> src/command.rs:7:3
[INFO] [stdout]    |
[INFO] [stdout]  7 | /   #[structopt(
[INFO] [stdout]  8 | |     long,
[INFO] [stdout]  9 | |     short,
[INFO] [stdout] 10 | |     env = "LOCKPIPE_PATH",
[INFO] [stdout] ...  |
[INFO] [stdout] 13 | |   )]
[INFO] [stdout] 14 | |   path: PathBuf,
[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 `lockpipes` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `lockpipes` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "5724ae5cf2cfb9f56d2b4085f738de9466ab088d6327602e0765fd9cead7905e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5724ae5cf2cfb9f56d2b4085f738de9466ab088d6327602e0765fd9cead7905e", kill_on_drop: false }`
[INFO] [stdout] 5724ae5cf2cfb9f56d2b4085f738de9466ab088d6327602e0765fd9cead7905e
