[INFO] fetching crate minimap2-paf-io 3.0.0...
[INFO] checking minimap2-paf-io-3.0.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate minimap2-paf-io 3.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate minimap2-paf-io 3.0.0
[INFO] finished tweaking crates.io crate minimap2-paf-io 3.0.0
[INFO] tweaked toml for crates.io crate minimap2-paf-io 3.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate minimap2-paf-io 3.0.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 91d1c80256a09c5b3f7d2e1b38be437c3c4730cf686ba19afdc5c9d5ed77d278
[INFO] running `Command { std: "docker" "start" "-a" "91d1c80256a09c5b3f7d2e1b38be437c3c4730cf686ba19afdc5c9d5ed77d278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91d1c80256a09c5b3f7d2e1b38be437c3c4730cf686ba19afdc5c9d5ed77d278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91d1c80256a09c5b3f7d2e1b38be437c3c4730cf686ba19afdc5c9d5ed77d278", kill_on_drop: false }`
[INFO] [stdout] 91d1c80256a09c5b3f7d2e1b38be437c3c4730cf686ba19afdc5c9d5ed77d278
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 91663de81133d95fe6535c0d6e3734e79b126b587158a3f5cde0b84aa3d99a15
[INFO] running `Command { std: "docker" "start" "-a" "91663de81133d95fe6535c0d6e3734e79b126b587158a3f5cde0b84aa3d99a15", kill_on_drop: false }`
[INFO] [stderr]     Checking minimap2-paf-io v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `minimap2-paf-io` (lib) due to 3 previous errors
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/input/mod.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 | /                     extract_column_value(string)?
[INFO] [stdout] 131 | |                         .parse()
[INFO] [stdout]     | |________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/input/mod.rs:144:21
[INFO] [stdout]     |
[INFO] [stdout] 144 | /                     extract_column_value(string)?
[INFO] [stdout] 145 | |                         .parse()
[INFO] [stdout]     | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/input/mod.rs:165:21
[INFO] [stdout]     |
[INFO] [stdout] 165 | /                     extract_column_value(string)?
[INFO] [stdout] 166 | |                         .parse()
[INFO] [stdout]     | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/input/mod.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 | /                     extract_column_value(string)?
[INFO] [stdout] 131 | |                         .parse()
[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: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/input/mod.rs:144:21
[INFO] [stdout]     |
[INFO] [stdout] 144 | /                     extract_column_value(string)?
[INFO] [stdout] 145 | |                         .parse()
[INFO] [stdout]     | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/input/mod.rs:165:21
[INFO] [stdout]     |
[INFO] [stdout] 165 | /                     extract_column_value(string)?
[INFO] [stdout] 166 | |                         .parse()
[INFO] [stdout]     | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `minimap2-paf-io` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "91663de81133d95fe6535c0d6e3734e79b126b587158a3f5cde0b84aa3d99a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91663de81133d95fe6535c0d6e3734e79b126b587158a3f5cde0b84aa3d99a15", kill_on_drop: false }`
[INFO] [stdout] 91663de81133d95fe6535c0d6e3734e79b126b587158a3f5cde0b84aa3d99a15