[INFO] fetching crate tappy 0.1.0... [INFO] checking tappy-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate tappy 0.1.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate tappy 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tappy 0.1.0 [INFO] finished tweaking crates.io crate tappy 0.1.0 [INFO] tweaked toml for crates.io crate tappy 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 67 packages [INFO] [stderr] Adding array-macro v1.0.5 (latest: v2.1.8) [INFO] [stderr] Adding arrayvec v0.4.12 (latest: v0.7.4) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding crossbeam-channel v0.2.6 (latest: v0.5.12) [INFO] [stderr] Adding crossbeam-epoch v0.6.1 (latest: v0.9.18) [INFO] [stderr] Adding crossbeam-utils v0.5.0 (latest: v0.8.19) [INFO] [stderr] Adding crossbeam-utils v0.6.6 (latest: v0.8.19) [INFO] [stderr] Adding cursive v0.9.2 (latest: v0.20.0) [INFO] [stderr] Adding enum-map v0.4.1 (latest: v2.7.3) [INFO] [stderr] Adding enum-map-derive v0.4.6 (latest: v0.17.0) [INFO] [stderr] Adding enumset v0.3.19 (latest: v1.1.3) [INFO] [stderr] Adding enumset_derive v0.3.2 (latest: v0.8.1) [INFO] [stderr] Adding lock_api v0.1.5 (latest: v0.4.11) [INFO] [stderr] Adding memoffset v0.2.1 (latest: v0.9.1) [INFO] [stderr] Adding num v0.2.1 (latest: v0.4.1) [INFO] [stderr] Adding num-complex v0.2.4 (latest: v0.4.5) [INFO] [stderr] Adding num-rational v0.2.4 (latest: v0.4.1) [INFO] [stderr] Adding numtoa v0.1.0 (latest: v0.2.4) [INFO] [stderr] Adding parking_lot v0.6.4 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.3.1 (latest: v0.9.9) [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.79) [INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.35) [INFO] [stderr] Adding rand v0.5.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding redox_syscall v0.2.16 (latest: v0.5.1) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.0) [INFO] [stderr] Adding scopeguard v0.3.3 (latest: v1.2.0) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.22) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding signal-hook v0.1.17 (latest: v0.3.17) [INFO] [stderr] Adding smallvec v0.6.14 (latest: v1.13.2) [INFO] [stderr] Adding syn v0.15.44 (latest: v2.0.58) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding termion v1.5.6 (latest: v3.0.0) [INFO] [stderr] Adding toml v0.4.10 (latest: v0.8.12) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.4) [INFO] [stderr] Adding xi-unicode v0.1.0 (latest: v0.3.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lock_api v0.1.5 [INFO] [stderr] Downloaded owning_ref v0.4.1 [INFO] [stderr] Downloaded termion v1.5.6 [INFO] [stderr] Downloaded enumset v0.3.19 [INFO] [stderr] Downloaded enumset_derive v0.3.2 [INFO] [stderr] Downloaded array-macro v1.0.5 [INFO] [stderr] Downloaded redox_termios v0.1.3 [INFO] [stderr] Downloaded reexport-proc-macro v1.0.7 [INFO] [stderr] Downloaded memoffset v0.2.1 [INFO] [stderr] Downloaded crossbeam-utils v0.5.0 [INFO] [stderr] Downloaded crossbeam-epoch v0.6.1 [INFO] [stderr] Downloaded parking_lot_core v0.3.1 [INFO] [stderr] Downloaded crossbeam-channel v0.2.6 [INFO] [stderr] Downloaded parking_lot v0.6.4 [INFO] [stderr] Downloaded enum-map-derive v0.4.6 [INFO] [stderr] Downloaded enum-map v0.4.1 [INFO] [stderr] Downloaded signal-hook v0.1.17 [INFO] [stderr] Downloaded xi-unicode v0.1.0 [INFO] [stderr] Downloaded cursive v0.9.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 11c19afc2e49674d63fbeaec2fa379ae865c3c7db906c4f61148c709d1d01cfc [INFO] running `Command { std: "docker" "start" "-a" "11c19afc2e49674d63fbeaec2fa379ae865c3c7db906c4f61148c709d1d01cfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "11c19afc2e49674d63fbeaec2fa379ae865c3c7db906c4f61148c709d1d01cfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11c19afc2e49674d63fbeaec2fa379ae865c3c7db906c4f61148c709d1d01cfc", kill_on_drop: false }` [INFO] [stdout] 11c19afc2e49674d63fbeaec2fa379ae865c3c7db906c4f61148c709d1d01cfc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dde6cb2bc5ae67811c78bed258fa72db68b32784842ede685394d15164bb5134 [INFO] running `Command { std: "docker" "start" "-a" "dde6cb2bc5ae67811c78bed258fa72db68b32784842ede685394d15164bb5134", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking crossbeam-utils v0.5.0 [INFO] [stderr] Checking reexport-proc-macro v1.0.7 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking crossbeam-epoch v0.6.1 [INFO] [stderr] Checking array-macro v1.0.5 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking xi-unicode v0.1.0 [INFO] [stderr] Checking unicode-segmentation v1.11.0 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking termion v1.5.6 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking crossbeam-channel v0.2.6 [INFO] [stderr] Compiling enum-map-derive v0.4.6 [INFO] [stderr] Compiling enumset_derive v0.3.2 [INFO] [stderr] Checking enum-map v0.4.1 [INFO] [stderr] Checking enumset v0.3.19 [INFO] [stderr] Checking cursive v0.9.2 [INFO] [stderr] Checking tappy v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `AsSecsF64` is never used [INFO] [stdout] --> src/main.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | trait AsSecsF64 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/main.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | mem::replace(self, Default::default()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 45 | let _ = mem::replace(self, Default::default()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `AsSecsF64` is never used [INFO] [stdout] --> src/main.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | trait AsSecsF64 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/main.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | mem::replace(self, Default::default()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 45 | let _ = mem::replace(self, Default::default()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.50s [INFO] running `Command { std: "docker" "inspect" "dde6cb2bc5ae67811c78bed258fa72db68b32784842ede685394d15164bb5134", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dde6cb2bc5ae67811c78bed258fa72db68b32784842ede685394d15164bb5134", kill_on_drop: false }` [INFO] [stdout] dde6cb2bc5ae67811c78bed258fa72db68b32784842ede685394d15164bb5134