[INFO] fetching crate qp 0.2.1... [INFO] building qp-0.2.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2 [INFO] extracting crate qp 0.2.1 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate qp 0.2.1 [INFO] finished tweaking crates.io crate qp 0.2.1 [INFO] tweaked toml for crates.io crate qp 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate qp 0.2.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate qp 0.2.1 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded async-trait v0.1.56 [INFO] [stderr] Downloaded crossbeam-utils v0.8.8 [INFO] [stderr] Downloaded crossbeam-queue v0.3.5 [INFO] [stderr] Downloaded syn v1.0.96 [INFO] [stderr] Downloaded tokio v1.19.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b82d56b017133eb378d53ac4ba073fc4baaaa84939b48392c9a35a625a1e4ad0 [INFO] running `Command { std: "docker" "start" "-a" "b82d56b017133eb378d53ac4ba073fc4baaaa84939b48392c9a35a625a1e4ad0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b82d56b017133eb378d53ac4ba073fc4baaaa84939b48392c9a35a625a1e4ad0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b82d56b017133eb378d53ac4ba073fc4baaaa84939b48392c9a35a625a1e4ad0", kill_on_drop: false }` [INFO] [stdout] b82d56b017133eb378d53ac4ba073fc4baaaa84939b48392c9a35a625a1e4ad0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5576efd9104d38f8854b7495f4a21b0b12dd117580c59aea5d4f387ed671a635 [INFO] running `Command { std: "docker" "start" "-a" "5576efd9104d38f8854b7495f4a21b0b12dd117580c59aea5d4f387ed671a635", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Compiling async-trait v0.1.56 [INFO] [stderr] Compiling crossbeam-queue v0.3.5 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling qp v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/sync.rs:89:24 [INFO] [stdout] | [INFO] [stdout] 89 | pub fn try_acquire(&self) -> Option { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 89 | pub fn try_acquire(&self) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.92s [INFO] running `Command { std: "docker" "inspect" "5576efd9104d38f8854b7495f4a21b0b12dd117580c59aea5d4f387ed671a635", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5576efd9104d38f8854b7495f4a21b0b12dd117580c59aea5d4f387ed671a635", kill_on_drop: false }` [INFO] [stdout] 5576efd9104d38f8854b7495f4a21b0b12dd117580c59aea5d4f387ed671a635 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 41f5b7cba9834e6447df40fbae4871c196420c319d4d2ce6b0b379b0d240b315 [INFO] running `Command { std: "docker" "start" "-a" "41f5b7cba9834e6447df40fbae4871c196420c319d4d2ce6b0b379b0d240b315", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling once_cell v1.12.0 [INFO] [stderr] Compiling pin-project-lite v0.2.9 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/sync.rs:89:24 [INFO] [stdout] | [INFO] [stdout] 89 | pub fn try_acquire(&self) -> Option { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 89 | pub fn try_acquire(&self) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling tokio v1.19.2 [INFO] [stderr] Compiling qp v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> examples/readme.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | drop(raw_int); [INFO] [stdout] | ^^^^^-------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `i32` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 60 - drop(raw_int); [INFO] [stdout] 60 + let _ = raw_int; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/sync.rs:89:24 [INFO] [stdout] | [INFO] [stdout] 89 | pub fn try_acquire(&self) -> Option { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 89 | pub fn try_acquire(&self) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 5.99s [INFO] running `Command { std: "docker" "inspect" "41f5b7cba9834e6447df40fbae4871c196420c319d4d2ce6b0b379b0d240b315", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "41f5b7cba9834e6447df40fbae4871c196420c319d4d2ce6b0b379b0d240b315", kill_on_drop: false }` [INFO] [stdout] 41f5b7cba9834e6447df40fbae4871c196420c319d4d2ce6b0b379b0d240b315