[INFO] fetching crate shuffly 0.1.3... [INFO] checking shuffly-0.1.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate shuffly 0.1.3 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate shuffly 0.1.3 [INFO] finished tweaking crates.io crate shuffly 0.1.3 [INFO] tweaked toml for crates.io crate shuffly 0.1.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate shuffly 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 shuffly 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c059f155b2b77d2c8aecf7fb404ba6641a31cd96dba6ea952e6362e0899de7b0 [INFO] running `Command { std: "docker" "start" "-a" "c059f155b2b77d2c8aecf7fb404ba6641a31cd96dba6ea952e6362e0899de7b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c059f155b2b77d2c8aecf7fb404ba6641a31cd96dba6ea952e6362e0899de7b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c059f155b2b77d2c8aecf7fb404ba6641a31cd96dba6ea952e6362e0899de7b0", kill_on_drop: false }` [INFO] [stdout] c059f155b2b77d2c8aecf7fb404ba6641a31cd96dba6ea952e6362e0899de7b0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 91734d8e57f2e8cbfb7948e7600f8f8c76b2778f8c00b620e6d9f142823344ce [INFO] running `Command { std: "docker" "start" "-a" "91734d8e57f2e8cbfb7948e7600f8f8c76b2778f8c00b620e6d9f142823344ce", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling crossbeam-epoch v0.9.7 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Compiling crossbeam-queue v0.3.4 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Compiling anyhow v1.0.53 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking crossbeam-channel v0.5.2 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling lz4-sys v1.9.2 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking crossbeam v0.8.1 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking lz4 v1.23.2 [INFO] [stderr] Checking shuffly v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | / /// input file name [INFO] [stdout] 39 | | #[structopt(long, short = "i")] [INFO] [stdout] 40 | | input: Option, [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/main.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | / /// output file name [INFO] [stdout] 43 | | #[structopt(long, short = "o")] [INFO] [stdout] 44 | | output: Option, [INFO] [stdout] | |___________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | / /// input file name [INFO] [stdout] 39 | | #[structopt(long, short = "i")] [INFO] [stdout] 40 | | input: Option, [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/main.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | / /// output file name [INFO] [stdout] 43 | | #[structopt(long, short = "o")] [INFO] [stdout] 44 | | output: Option, [INFO] [stdout] | |___________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `shuffly` (bin "shuffly") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `shuffly` (bin "shuffly" test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "91734d8e57f2e8cbfb7948e7600f8f8c76b2778f8c00b620e6d9f142823344ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91734d8e57f2e8cbfb7948e7600f8f8c76b2778f8c00b620e6d9f142823344ce", kill_on_drop: false }` [INFO] [stdout] 91734d8e57f2e8cbfb7948e7600f8f8c76b2778f8c00b620e6d9f142823344ce