[INFO] cloning repository https://github.com/ArcticPirateL/RustHW4 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ArcticPirateL/RustHW4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArcticPirateL%2FRustHW4", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArcticPirateL%2FRustHW4'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 25452acaedcb0ece470e49710b2891a74a5e323d [INFO] checking ArcticPirateL/RustHW4 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArcticPirateL%2FRustHW4" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ArcticPirateL/RustHW4 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 git repo https://github.com/ArcticPirateL/RustHW4 [INFO] finished tweaking git repo https://github.com/ArcticPirateL/RustHW4 [INFO] tweaked toml for git repo https://github.com/ArcticPirateL/RustHW4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ArcticPirateL/RustHW4 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] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded async-global-executor v2.3.1 [INFO] [stderr] Downloaded value-bag v1.4.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 63fb312b3b1ac45175c703929d630c8c8ee9dee62cf22811b78bd495f59172c0 [INFO] running `Command { std: "docker" "start" "-a" "63fb312b3b1ac45175c703929d630c8c8ee9dee62cf22811b78bd495f59172c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "63fb312b3b1ac45175c703929d630c8c8ee9dee62cf22811b78bd495f59172c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63fb312b3b1ac45175c703929d630c8c8ee9dee62cf22811b78bd495f59172c0", kill_on_drop: false }` [INFO] [stdout] 63fb312b3b1ac45175c703929d630c8c8ee9dee62cf22811b78bd495f59172c0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e59c1aca456168b56c2b5f35c633a467bd52d34d7fa575681059b6ef54fabf72 [INFO] running `Command { std: "docker" "start" "-a" "e59c1aca456168b56c2b5f35c633a467bd52d34d7fa575681059b6ef54fabf72", kill_on_drop: false }` [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Checking memchr v2.6.3 [INFO] [stderr] Checking value-bag v1.4.1 [INFO] [stderr] Checking parking v2.1.0 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling rustix v0.37.23 [INFO] [stderr] Compiling async-io v1.13.0 [INFO] [stderr] Checking io-lifetimes v1.0.11 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking async-task v4.4.0 [INFO] [stderr] Compiling syn v2.0.31 [INFO] [stderr] Checking socket2 v0.4.9 [INFO] [stderr] Checking atomic-waker v1.1.1 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking concurrent-queue v2.2.0 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Checking async-executor v1.5.1 [INFO] [stderr] Checking blocking v1.3.1 [INFO] [stderr] Checking async-global-executor v2.3.1 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Checking async-std v1.12.0 [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stderr] Checking futures v0.3.28 [INFO] [stderr] Checking HW4 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::task::RawWaker` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::task::RawWaker; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::task::RawWaker` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::task::RawWaker; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::task::RawWakerVTable` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::task::RawWakerVTable; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::task::RawWakerVTable` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::task::RawWakerVTable; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.83s [INFO] running `Command { std: "docker" "inspect" "e59c1aca456168b56c2b5f35c633a467bd52d34d7fa575681059b6ef54fabf72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e59c1aca456168b56c2b5f35c633a467bd52d34d7fa575681059b6ef54fabf72", kill_on_drop: false }` [INFO] [stdout] e59c1aca456168b56c2b5f35c633a467bd52d34d7fa575681059b6ef54fabf72 [INFO] checking ArcticPirateL/RustHW4 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArcticPirateL%2FRustHW4" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ArcticPirateL/RustHW4 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 git repo https://github.com/ArcticPirateL/RustHW4 [INFO] finished tweaking git repo https://github.com/ArcticPirateL/RustHW4 [INFO] tweaked toml for git repo https://github.com/ArcticPirateL/RustHW4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ArcticPirateL/RustHW4 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3bda05d53d869cdd8986649623588a292b1d1cc49db0059169d983fc7a55746a [INFO] running `Command { std: "docker" "start" "-a" "3bda05d53d869cdd8986649623588a292b1d1cc49db0059169d983fc7a55746a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3bda05d53d869cdd8986649623588a292b1d1cc49db0059169d983fc7a55746a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3bda05d53d869cdd8986649623588a292b1d1cc49db0059169d983fc7a55746a", kill_on_drop: false }` [INFO] [stdout] 3bda05d53d869cdd8986649623588a292b1d1cc49db0059169d983fc7a55746a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e74897382ce2cca1fd10399e7f60e0285e3b04e1c2ca9bc081d60f7eb568b8f9 [INFO] running `Command { std: "docker" "start" "-a" "e74897382ce2cca1fd10399e7f60e0285e3b04e1c2ca9bc081d60f7eb568b8f9", kill_on_drop: false }` [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Checking memchr v2.6.3 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Checking value-bag v1.4.1 [INFO] [stderr] Checking parking v2.1.0 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling rustix v0.37.23 [INFO] [stderr] Compiling async-io v1.13.0 [INFO] [stderr] Checking io-lifetimes v1.0.11 [INFO] [stderr] Checking async-task v4.4.0 [INFO] [stderr] Compiling syn v2.0.31 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking socket2 v0.4.9 [INFO] [stderr] Checking atomic-waker v1.1.1 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking concurrent-queue v2.2.0 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stderr] Checking async-executor v1.5.1 [INFO] [stderr] Checking blocking v1.3.1 [INFO] [stderr] Checking async-global-executor v2.3.1 [INFO] [stderr] Checking async-std v1.12.0 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stderr] Checking futures v0.3.28 [INFO] [stderr] Checking HW4 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::task::RawWaker` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::task::RawWaker; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::task::RawWakerVTable` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::task::RawWakerVTable; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::task::RawWaker` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::task::RawWaker; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::task::RawWakerVTable` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::task::RawWakerVTable; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.27s [INFO] running `Command { std: "docker" "inspect" "e74897382ce2cca1fd10399e7f60e0285e3b04e1c2ca9bc081d60f7eb568b8f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e74897382ce2cca1fd10399e7f60e0285e3b04e1c2ca9bc081d60f7eb568b8f9", kill_on_drop: false }` [INFO] [stdout] e74897382ce2cca1fd10399e7f60e0285e3b04e1c2ca9bc081d60f7eb568b8f9