[INFO] cloning repository https://github.com/archer884/mcheck [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/archer884/mcheck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fmcheck", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fmcheck'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e6d3e60a815b8c653c49ae787e6a29233c95b15c [INFO] checking archer884/mcheck 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%2Farcher884%2Fmcheck" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/archer884/mcheck [INFO] finished tweaking git repo https://github.com/archer884/mcheck [INFO] tweaked toml for git repo https://github.com/archer884/mcheck written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/archer884/mcheck 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/archer884/mcheck 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] fedf50846e34230c1bd22038fffc7e52ab8f60c108b15c40c3958ddb1a41943f [INFO] running `Command { std: "docker" "start" "-a" "fedf50846e34230c1bd22038fffc7e52ab8f60c108b15c40c3958ddb1a41943f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fedf50846e34230c1bd22038fffc7e52ab8f60c108b15c40c3958ddb1a41943f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fedf50846e34230c1bd22038fffc7e52ab8f60c108b15c40c3958ddb1a41943f", kill_on_drop: false }` [INFO] [stdout] fedf50846e34230c1bd22038fffc7e52ab8f60c108b15c40c3958ddb1a41943f [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] 08deb998312606f89609c4c086ea03a163d93a8bef29db47b6e5196287aa988c [INFO] running `Command { std: "docker" "start" "-a" "08deb998312606f89609c4c086ea03a163d93a8bef29db47b6e5196287aa988c", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling typenum v1.14.0 [INFO] [stderr] Compiling libc v0.2.107 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling serde_json v1.0.71 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Checking arrayvec v0.7.2 [INFO] [stderr] Checking os_str_bytes v4.2.0 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking constant_time_eq v0.1.5 [INFO] [stderr] Checking owo-colors v3.1.0 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling blake3 v1.2.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.5 (https://github.com/clap-rs/clap#568fd460) [INFO] [stderr] Checking serde v1.0.130 [INFO] [stderr] Checking clap v3.0.0-beta.5 (https://github.com/clap-rs/clap#568fd460) [INFO] [stderr] Checking mcheck v0.2.4 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | manifest: Option, [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 `mcheck` (bin "mcheck" test) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | manifest: Option, [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 `mcheck` (bin "mcheck") due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "08deb998312606f89609c4c086ea03a163d93a8bef29db47b6e5196287aa988c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08deb998312606f89609c4c086ea03a163d93a8bef29db47b6e5196287aa988c", kill_on_drop: false }` [INFO] [stdout] 08deb998312606f89609c4c086ea03a163d93a8bef29db47b6e5196287aa988c