[INFO] fetching crate subscriber-rs 0.0.1... [INFO] checking subscriber-rs-0.0.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] extracting crate subscriber-rs 0.0.1 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate subscriber-rs 0.0.1 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 subscriber-rs 0.0.1 [INFO] finished tweaking crates.io crate subscriber-rs 0.0.1 [INFO] tweaked toml for crates.io crate subscriber-rs 0.0.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate subscriber-rs 0.0.1 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.122 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4a1622c512a449429f8779eadd6d3bdf559ce0b3f7db454b521c0f1a85a5ba94 [INFO] running `Command { std: "docker" "start" "-a" "4a1622c512a449429f8779eadd6d3bdf559ce0b3f7db454b521c0f1a85a5ba94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4a1622c512a449429f8779eadd6d3bdf559ce0b3f7db454b521c0f1a85a5ba94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a1622c512a449429f8779eadd6d3bdf559ce0b3f7db454b521c0f1a85a5ba94", kill_on_drop: false }` [INFO] [stdout] 4a1622c512a449429f8779eadd6d3bdf559ce0b3f7db454b521c0f1a85a5ba94 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 74bf0ddd9731163b55236f313628e1e86e46d91532f6b0d7fb56112d330f8988 [INFO] running `Command { std: "docker" "start" "-a" "74bf0ddd9731163b55236f313628e1e86e46d91532f6b0d7fb56112d330f8988", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling libc v0.2.122 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling parking_lot_core v0.9.2 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Compiling anyhow v1.0.56 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Checking mio v0.8.2 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Checking tokio v1.17.0 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking subscriber-rs v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> examples/simple.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SubscribeHandle` [INFO] [stdout] --> examples/simple.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | SubscribeHandle, Subscriber, SubscriberCallback, SubscriberError, SubscriberEvent, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/simple.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut server: SubscriberServer> = [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.35s [INFO] running `Command { std: "docker" "inspect" "74bf0ddd9731163b55236f313628e1e86e46d91532f6b0d7fb56112d330f8988", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74bf0ddd9731163b55236f313628e1e86e46d91532f6b0d7fb56112d330f8988", kill_on_drop: false }` [INFO] [stdout] 74bf0ddd9731163b55236f313628e1e86e46d91532f6b0d7fb56112d330f8988 [INFO] checking subscriber-rs-0.0.1 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] extracting crate subscriber-rs 0.0.1 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate subscriber-rs 0.0.1 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 subscriber-rs 0.0.1 [INFO] finished tweaking crates.io crate subscriber-rs 0.0.1 [INFO] tweaked toml for crates.io crate subscriber-rs 0.0.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate subscriber-rs 0.0.1 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ff1d735f1763a17bd129b690c8b49fad1bec9a811d31ed97101c4980884ff865 [INFO] running `Command { std: "docker" "start" "-a" "ff1d735f1763a17bd129b690c8b49fad1bec9a811d31ed97101c4980884ff865", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ff1d735f1763a17bd129b690c8b49fad1bec9a811d31ed97101c4980884ff865", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff1d735f1763a17bd129b690c8b49fad1bec9a811d31ed97101c4980884ff865", kill_on_drop: false }` [INFO] [stdout] ff1d735f1763a17bd129b690c8b49fad1bec9a811d31ed97101c4980884ff865 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 806f1cf3e54dd1316ea04b9b329a9a770826ce3cdfd57f8052d0eec19b2f7573 [INFO] running `Command { std: "docker" "start" "-a" "806f1cf3e54dd1316ea04b9b329a9a770826ce3cdfd57f8052d0eec19b2f7573", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling libc v0.2.122 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling parking_lot_core v0.9.2 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Compiling anyhow v1.0.56 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Checking mio v0.8.2 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Checking tokio v1.17.0 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking subscriber-rs v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> examples/simple.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SubscribeHandle` [INFO] [stdout] --> examples/simple.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | SubscribeHandle, Subscriber, SubscriberCallback, SubscriberError, SubscriberEvent, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/simple.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut server: SubscriberServer> = [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.90s [INFO] running `Command { std: "docker" "inspect" "806f1cf3e54dd1316ea04b9b329a9a770826ce3cdfd57f8052d0eec19b2f7573", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "806f1cf3e54dd1316ea04b9b329a9a770826ce3cdfd57f8052d0eec19b2f7573", kill_on_drop: false }` [INFO] [stdout] 806f1cf3e54dd1316ea04b9b329a9a770826ce3cdfd57f8052d0eec19b2f7573