[INFO] fetching crate readput 0.1.3...
[INFO] checking readput-0.1.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate readput 0.1.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate readput 0.1.3
[INFO] finished tweaking crates.io crate readput 0.1.3
[INFO] tweaked toml for crates.io crate readput 0.1.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate readput 0.1.3 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 readput 0.1.3 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 74c978915e344d0b20810aa9aa22c2075d0d83cbcd3e15816a662dda49fc3c43
[INFO] running `Command { std: "docker" "start" "-a" "74c978915e344d0b20810aa9aa22c2075d0d83cbcd3e15816a662dda49fc3c43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74c978915e344d0b20810aa9aa22c2075d0d83cbcd3e15816a662dda49fc3c43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74c978915e344d0b20810aa9aa22c2075d0d83cbcd3e15816a662dda49fc3c43", kill_on_drop: false }`
[INFO] [stdout] 74c978915e344d0b20810aa9aa22c2075d0d83cbcd3e15816a662dda49fc3c43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d00dc5bfdeab7d0ea45a3dea9453387eed9f92ba0da4fdba08b77bf12716c573
[INFO] running `Command { std: "docker" "start" "-a" "d00dc5bfdeab7d0ea45a3dea9453387eed9f92ba0da4fdba08b77bf12716c573", kill_on_drop: false }`
[INFO] [stderr]     Checking readput v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:83:17
[INFO] [stdout]     |
[INFO] [stdout]  83 |                   sc.read_token().unwrap()
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 134 | / impl_stdin_types!(
[INFO] [stdout] 135 | |     u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize, bool, char, f32, f64, String
[INFO] [stdout] 136 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `impl_stdin_type` which comes from the expansion of the macro `impl_stdin_types` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:83:17
[INFO] [stdout]     |
[INFO] [stdout]  83 |                   sc.read_token().unwrap()
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 134 | / impl_stdin_types!(
[INFO] [stdout] 135 | |     u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize, bool, char, f32, f64, String
[INFO] [stdout] 136 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `impl_stdin_type` which comes from the expansion of the macro `impl_stdin_types` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `readput` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `readput` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "d00dc5bfdeab7d0ea45a3dea9453387eed9f92ba0da4fdba08b77bf12716c573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d00dc5bfdeab7d0ea45a3dea9453387eed9f92ba0da4fdba08b77bf12716c573", kill_on_drop: false }`
[INFO] [stdout] d00dc5bfdeab7d0ea45a3dea9453387eed9f92ba0da4fdba08b77bf12716c573
