[INFO] cloning repository https://github.com/Cankyre/axel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cankyre/axel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCankyre%2Faxel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCankyre%2Faxel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e5c1de1320a78f2fbf689182d88395b0edf01ae
[INFO] checking Cankyre/axel against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCankyre%2Faxel" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Cankyre/axel 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 git repo https://github.com/Cankyre/axel
[INFO] finished tweaking git repo https://github.com/Cankyre/axel
[INFO] tweaked toml for git repo https://github.com/Cankyre/axel written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Cankyre/axel 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.18
[INFO] [stderr]   Downloaded async-lock v3.2.0
[INFO] [stderr]   Downloaded async-task v4.6.0
[INFO] [stderr]   Downloaded event-listener v4.0.1
[INFO] [stderr]   Downloaded futures-lite v2.1.0
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[INFO] [stderr]   Downloaded proc-macro2 v1.0.71
[INFO] [stderr]   Downloaded shakmaty v0.26.0
[INFO] [stderr]   Downloaded syn v2.0.43
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b237edb69d08443989cd646ed503740d03998784fa0f63f82ecfeee6348cdf12
[INFO] running `Command { std: "docker" "start" "-a" "b237edb69d08443989cd646ed503740d03998784fa0f63f82ecfeee6348cdf12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b237edb69d08443989cd646ed503740d03998784fa0f63f82ecfeee6348cdf12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b237edb69d08443989cd646ed503740d03998784fa0f63f82ecfeee6348cdf12", kill_on_drop: false }`
[INFO] [stdout] b237edb69d08443989cd646ed503740d03998784fa0f63f82ecfeee6348cdf12
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8df8242ed9fa6e1001b12370334af67a6706e41cd5d6a72a892856a60875bda0
[INFO] running `Command { std: "docker" "start" "-a" "8df8242ed9fa6e1001b12370334af67a6706e41cd5d6a72a892856a60875bda0", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]     Checking value-bag v1.4.2
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking async-task v4.6.0
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking futures-lite v2.1.0
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking concurrent-queue v2.4.0
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[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking async-lock v3.2.0
[INFO] [stderr]     Checking async-channel v2.1.1
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking btoi v0.4.3
[INFO] [stderr]     Checking shakmaty v0.26.0
[INFO] [stderr]     Checking async-executor v1.8.0
[INFO] [stderr]     Checking blocking v1.5.1
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[INFO] [stderr]     Checking async-io v2.2.2
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking axel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `nodes` is never read
[INFO] [stdout]   --> src/search/transpositon_table.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct TranspositionTableEntry {
[INFO] [stdout]    |            ----------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub nodes: u64,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TranspositionTableEntry` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `nodes` is never read
[INFO] [stdout]   --> src/search/transpositon_table.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct TranspositionTableEntry {
[INFO] [stdout]    |            ----------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub nodes: u64,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TranspositionTableEntry` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.58s
[INFO] running `Command { std: "docker" "inspect" "8df8242ed9fa6e1001b12370334af67a6706e41cd5d6a72a892856a60875bda0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8df8242ed9fa6e1001b12370334af67a6706e41cd5d6a72a892856a60875bda0", kill_on_drop: false }`
[INFO] [stdout] 8df8242ed9fa6e1001b12370334af67a6706e41cd5d6a72a892856a60875bda0