[INFO] cloning repository https://github.com/ArcSecant/coggers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ArcSecant/coggers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArcSecant%2Fcoggers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArcSecant%2Fcoggers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20329097a16b58a9d39eeb24323ad199e78bdfdc
[INFO] checking ArcSecant/coggers against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArcSecant%2Fcoggers" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ArcSecant/coggers on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ArcSecant/coggers
[INFO] finished tweaking git repo https://github.com/ArcSecant/coggers
[INFO] tweaked toml for git repo https://github.com/ArcSecant/coggers written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ArcSecant/coggers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5758d2fe57791f8ad0e991fcc6e9a4b42f3cb2d1d7957ad17aad7666e550033
[INFO] running `Command { std: "docker" "start" "-a" "c5758d2fe57791f8ad0e991fcc6e9a4b42f3cb2d1d7957ad17aad7666e550033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5758d2fe57791f8ad0e991fcc6e9a4b42f3cb2d1d7957ad17aad7666e550033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5758d2fe57791f8ad0e991fcc6e9a4b42f3cb2d1d7957ad17aad7666e550033", kill_on_drop: false }`
[INFO] [stdout] c5758d2fe57791f8ad0e991fcc6e9a4b42f3cb2d1d7957ad17aad7666e550033
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30793c0f6b4fdd76c52cd90e7665dac84d025ebc9a703057e05cee21bf443dee
[INFO] running `Command { std: "docker" "start" "-a" "30793c0f6b4fdd76c52cd90e7665dac84d025ebc9a703057e05cee21bf443dee", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling cranelift-entity v0.68.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.68.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling target-lexicon v0.11.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling anyhow v1.0.36
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking regalloc v0.0.31
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking cranelift-bforest v0.68.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.68.0
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling raw-cpuid v7.0.4
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking peg v0.6.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]    Compiling cranelift-codegen v0.68.0
[INFO] [stderr]     Checking cranelift-frontend v0.68.0
[INFO] [stderr]     Checking cranelift-native v0.68.0
[INFO] [stderr]     Checking cranelift-module v0.68.0
[INFO] [stderr]     Checking cranelift-preopt v0.68.0
[INFO] [stderr]     Checking cranelift-simplejit v0.68.0
[INFO] [stderr]     Checking cranelift v0.68.0
[INFO] [stderr]     Checking poggers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/inference.rs:325:13
[INFO] [stdout]     |
[INFO] [stdout] 325 |             _ => return Err(Error::DoesNotOccur),
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/inference.rs:325:13
[INFO] [stdout]     |
[INFO] [stdout] 325 |             _ => return Err(Error::DoesNotOccur),
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TCustom`
[INFO] [stdout]   --> src/inference.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     TCustom(String, Vec<Type>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]    --> src/inference.rs:339:8
[INFO] [stdout]     |
[INFO] [stdout] 339 | pub fn test() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TCustom`
[INFO] [stdout]   --> src/inference.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     TCustom(String, Vec<Type>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]    --> src/inference.rs:339:8
[INFO] [stdout]     |
[INFO] [stdout] 339 | pub fn test() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.16s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "30793c0f6b4fdd76c52cd90e7665dac84d025ebc9a703057e05cee21bf443dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30793c0f6b4fdd76c52cd90e7665dac84d025ebc9a703057e05cee21bf443dee", kill_on_drop: false }`
[INFO] [stdout] 30793c0f6b4fdd76c52cd90e7665dac84d025ebc9a703057e05cee21bf443dee