[INFO] fetching crate pushb 0.2.3... [INFO] checking pushb-0.2.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate pushb 0.2.3 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate pushb 0.2.3 [INFO] finished tweaking crates.io crate pushb 0.2.3 [INFO] tweaked toml for crates.io crate pushb 0.2.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate pushb 0.2.3 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 pushb 0.2.3 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0a88ff2b2cf512ae5b46cbef1c6545efd889f90c1c2a3fab02b57773998351a8 [INFO] running `Command { std: "docker" "start" "-a" "0a88ff2b2cf512ae5b46cbef1c6545efd889f90c1c2a3fab02b57773998351a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0a88ff2b2cf512ae5b46cbef1c6545efd889f90c1c2a3fab02b57773998351a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a88ff2b2cf512ae5b46cbef1c6545efd889f90c1c2a3fab02b57773998351a8", kill_on_drop: false }` [INFO] [stdout] 0a88ff2b2cf512ae5b46cbef1c6545efd889f90c1c2a3fab02b57773998351a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 11d06e2115289ad77eb22ccec750c91f6abb62cbb67a756faa002085a7ac9365 [INFO] running `Command { std: "docker" "start" "-a" "11d06e2115289ad77eb22ccec750c91f6abb62cbb67a756faa002085a7ac9365", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.131 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling anyhow v1.0.61 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Checking pushb v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/pushb.rs:8:17 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(Debug, StructOpt)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the derive macro `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/pushb.rs:8:17 [INFO] [stdout] | [INFO] [stdout] 8 | #[derive(Debug, StructOpt)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the derive macro `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `pushb` (bin "pushb") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `pushb` (bin "pushb" test) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "11d06e2115289ad77eb22ccec750c91f6abb62cbb67a756faa002085a7ac9365", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11d06e2115289ad77eb22ccec750c91f6abb62cbb67a756faa002085a7ac9365", kill_on_drop: false }` [INFO] [stdout] 11d06e2115289ad77eb22ccec750c91f6abb62cbb67a756faa002085a7ac9365