[INFO] fetching crate fast-threadpool 0.3.0... [INFO] checking fast-threadpool-0.3.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] extracting crate fast-threadpool 0.3.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate fast-threadpool 0.3.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate fast-threadpool 0.3.0 [INFO] finished tweaking crates.io crate fast-threadpool 0.3.0 [INFO] tweaked toml for crates.io crate fast-threadpool 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 43 packages to latest compatible versions [INFO] [stderr] Adding async-oneshot v0.4.2 (latest: v0.5.9) [INFO] [stderr] Adding flume v0.10.14 (latest: v0.11.0) [INFO] [stderr] Adding futures-micro v0.3.1 (latest: v0.5.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-micro v0.3.1 [INFO] [stderr] Downloaded async-oneshot v0.4.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a540171bd1e015396688c515535333ef730edbb977705c6e9a2fa3ddd5e8fb1d [INFO] running `Command { std: "docker" "start" "-a" "a540171bd1e015396688c515535333ef730edbb977705c6e9a2fa3ddd5e8fb1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a540171bd1e015396688c515535333ef730edbb977705c6e9a2fa3ddd5e8fb1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a540171bd1e015396688c515535333ef730edbb977705c6e9a2fa3ddd5e8fb1d", kill_on_drop: false }` [INFO] [stdout] a540171bd1e015396688c515535333ef730edbb977705c6e9a2fa3ddd5e8fb1d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dd30a87dd9db591c4232f69a78f9b1ca8dd0815e1ba6c0e9ce764396fb21e9df [INFO] running `Command { std: "docker" "start" "-a" "dd30a87dd9db591c4232f69a78f9b1ca8dd0815e1ba6c0e9ce764396fb21e9df", kill_on_drop: false }` [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking nanorand v0.7.0 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking futures-micro v0.3.1 [INFO] [stderr] Checking async-oneshot v0.4.2 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking flume v0.10.14 [INFO] [stderr] Checking fast-threadpool v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/handler.rs:80:26 [INFO] [stdout] | [INFO] [stdout] 80 | pub struct JoinHandle(FlumeSender, FlumeReceiver); [INFO] [stdout] | ---------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `JoinHandle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 80 | pub struct JoinHandle((), FlumeReceiver); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/handler.rs:80:26 [INFO] [stdout] | [INFO] [stdout] 80 | pub struct JoinHandle(FlumeSender, FlumeReceiver); [INFO] [stdout] | ---------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `JoinHandle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 80 | pub struct JoinHandle((), FlumeReceiver); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.14s [INFO] running `Command { std: "docker" "inspect" "dd30a87dd9db591c4232f69a78f9b1ca8dd0815e1ba6c0e9ce764396fb21e9df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd30a87dd9db591c4232f69a78f9b1ca8dd0815e1ba6c0e9ce764396fb21e9df", kill_on_drop: false }` [INFO] [stdout] dd30a87dd9db591c4232f69a78f9b1ca8dd0815e1ba6c0e9ce764396fb21e9df [INFO] checking fast-threadpool-0.3.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] extracting crate fast-threadpool 0.3.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate fast-threadpool 0.3.0 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate fast-threadpool 0.3.0 [INFO] finished tweaking crates.io crate fast-threadpool 0.3.0 [INFO] tweaked toml for crates.io crate fast-threadpool 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 43 packages to latest compatible versions [INFO] [stderr] Adding async-oneshot v0.4.2 (latest: v0.5.9) [INFO] [stderr] Adding flume v0.10.14 (latest: v0.11.0) [INFO] [stderr] Adding futures-micro v0.3.1 (latest: v0.5.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0393164f38ffe69aebf2b6090909c4b6eec67882c6c3cfd906b092eb6f4a5a30 [INFO] running `Command { std: "docker" "start" "-a" "0393164f38ffe69aebf2b6090909c4b6eec67882c6c3cfd906b092eb6f4a5a30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0393164f38ffe69aebf2b6090909c4b6eec67882c6c3cfd906b092eb6f4a5a30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0393164f38ffe69aebf2b6090909c4b6eec67882c6c3cfd906b092eb6f4a5a30", kill_on_drop: false }` [INFO] [stdout] 0393164f38ffe69aebf2b6090909c4b6eec67882c6c3cfd906b092eb6f4a5a30 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 436b1e57712acd48e478339ab42728a2c4fe163d107adac5da45332539942c0b [INFO] running `Command { std: "docker" "start" "-a" "436b1e57712acd48e478339ab42728a2c4fe163d107adac5da45332539942c0b", kill_on_drop: false }` [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking nanorand v0.7.0 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking futures-micro v0.3.1 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking async-oneshot v0.4.2 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking flume v0.10.14 [INFO] [stderr] Checking fast-threadpool v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/handler.rs:80:26 [INFO] [stdout] | [INFO] [stdout] 80 | pub struct JoinHandle(FlumeSender, FlumeReceiver); [INFO] [stdout] | ---------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `JoinHandle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 80 | pub struct JoinHandle((), FlumeReceiver); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/handler.rs:80:26 [INFO] [stdout] | [INFO] [stdout] 80 | pub struct JoinHandle(FlumeSender, FlumeReceiver); [INFO] [stdout] | ---------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `JoinHandle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 80 | pub struct JoinHandle((), FlumeReceiver); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.80s [INFO] running `Command { std: "docker" "inspect" "436b1e57712acd48e478339ab42728a2c4fe163d107adac5da45332539942c0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "436b1e57712acd48e478339ab42728a2c4fe163d107adac5da45332539942c0b", kill_on_drop: false }` [INFO] [stdout] 436b1e57712acd48e478339ab42728a2c4fe163d107adac5da45332539942c0b