[INFO] cloning repository https://github.com/forando/tsim [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/forando/tsim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforando%2Ftsim", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforando%2Ftsim'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e8b23346c590bc92d16f9dc66bd00f8dd5b6cb75 [INFO] checking forando/tsim against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforando%2Ftsim" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/forando/tsim [INFO] finished tweaking git repo https://github.com/forando/tsim [INFO] tweaked toml for git repo https://github.com/forando/tsim written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/forando/tsim 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 git repo https://github.com/forando/tsim 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f245bf6b82710b85b31f62f8de84c0e6f5745d4f875ef00fb5d023ffe901e299 [INFO] running `Command { std: "docker" "start" "-a" "f245bf6b82710b85b31f62f8de84c0e6f5745d4f875ef00fb5d023ffe901e299", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f245bf6b82710b85b31f62f8de84c0e6f5745d4f875ef00fb5d023ffe901e299", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f245bf6b82710b85b31f62f8de84c0e6f5745d4f875ef00fb5d023ffe901e299", kill_on_drop: false }` [INFO] [stdout] f245bf6b82710b85b31f62f8de84c0e6f5745d4f875ef00fb5d023ffe901e299 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f66f684206b3e855c2582e4844fa7d7a927c6b468d95bf12a46959f4a8d0fdc3 [INFO] running `Command { std: "docker" "start" "-a" "f66f684206b3e855c2582e4844fa7d7a927c6b468d95bf12a46959f4a8d0fdc3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling syn v1.0.55 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling anyhow v1.0.36 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking number_prefix v0.3.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking getrandom v0.1.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking terminal_size v0.1.15 [INFO] [stderr] Checking term_size v0.3.2 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking console v0.13.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking indicatif v0.15.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking bstr v0.2.14 [INFO] [stderr] Checking csv v1.1.5 [INFO] [stderr] Checking tsim v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary allocation, use `&` instead [INFO] [stdout] --> src/csv_extractor.rs:63:32 [INFO] [stdout] | [INFO] [stdout] 63 | let pb = PathBuf::from(Box::new(path).as_ref()); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_allocation)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary allocation, use `&` instead [INFO] [stdout] --> src/csv_extractor.rs:93:32 [INFO] [stdout] | [INFO] [stdout] 93 | let pb = PathBuf::from(Box::new(path).as_ref()); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/similarity_analyzer.rs:108:20 [INFO] [stdout] | [INFO] [stdout] 108 | set.insert(line.parse().unwrap()); [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 [INFO] [stdout] --> src/similarity_analyzer.rs:108:20 [INFO] [stdout] | [INFO] [stdout] 108 | set.insert(line.parse().unwrap()); [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 `tsim` (bin "tsim") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `tsim` (bin "tsim" test) due to 1 previous error; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "f66f684206b3e855c2582e4844fa7d7a927c6b468d95bf12a46959f4a8d0fdc3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f66f684206b3e855c2582e4844fa7d7a927c6b468d95bf12a46959f4a8d0fdc3", kill_on_drop: false }` [INFO] [stdout] f66f684206b3e855c2582e4844fa7d7a927c6b468d95bf12a46959f4a8d0fdc3