[INFO] fetching crate goldfish 0.1.0... [INFO] checking goldfish-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate goldfish 0.1.0 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate goldfish 0.1.0 [INFO] finished tweaking crates.io crate goldfish 0.1.0 [INFO] tweaked toml for crates.io crate goldfish 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate goldfish 0.1.0 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 goldfish 0.1.0 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-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] 5c1bc479d419ea0f962ffbd754e9b06c26f211a1dfc9589d4cb3baabc8cbcfb0 [INFO] running `Command { std: "docker" "start" "-a" "5c1bc479d419ea0f962ffbd754e9b06c26f211a1dfc9589d4cb3baabc8cbcfb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5c1bc479d419ea0f962ffbd754e9b06c26f211a1dfc9589d4cb3baabc8cbcfb0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c1bc479d419ea0f962ffbd754e9b06c26f211a1dfc9589d4cb3baabc8cbcfb0", kill_on_drop: false }` [INFO] [stdout] 5c1bc479d419ea0f962ffbd754e9b06c26f211a1dfc9589d4cb3baabc8cbcfb0 [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] 77ee52c76f17060245f7e059dc99257a94f9a0ff38e26ee338a68d351ea5d12a [INFO] running `Command { std: "docker" "start" "-a" "77ee52c76f17060245f7e059dc99257a94f9a0ff38e26ee338a68d351ea5d12a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling anyhow v1.0.28 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.2 [INFO] [stderr] Compiling proc-macro-error v1.0.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling structopt-derive v0.4.7 [INFO] [stderr] Checking structopt v0.3.14 [INFO] [stderr] Checking goldfish v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | / /// Cache to read from or write to [INFO] [stdout] 20 | | #[structopt(short, long)] [INFO] [stdout] 21 | | cache: 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:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | / /// Directory to store cache files [INFO] [stdout] 24 | | #[structopt(short, long)] [INFO] [stdout] 25 | | dir: Option, [INFO] [stdout] | |______________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | / /// Cache entry to put [INFO] [stdout] 61 | | entry: String, [INFO] [stdout] | |_____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `goldfish` (bin "goldfish" test) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `goldfish` (bin "goldfish") due to 3 previous errors [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | / /// Cache to read from or write to [INFO] [stdout] 20 | | #[structopt(short, long)] [INFO] [stdout] 21 | | cache: 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:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | / /// Directory to store cache files [INFO] [stdout] 24 | | #[structopt(short, long)] [INFO] [stdout] 25 | | dir: Option, [INFO] [stdout] | |______________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | / /// Cache entry to put [INFO] [stdout] 61 | | entry: String, [INFO] [stdout] | |_____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "77ee52c76f17060245f7e059dc99257a94f9a0ff38e26ee338a68d351ea5d12a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77ee52c76f17060245f7e059dc99257a94f9a0ff38e26ee338a68d351ea5d12a", kill_on_drop: false }` [INFO] [stdout] 77ee52c76f17060245f7e059dc99257a94f9a0ff38e26ee338a68d351ea5d12a