[INFO] cloning repository https://github.com/gifnksm/ProjectEulerRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gifnksm/ProjectEulerRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgifnksm%2FProjectEulerRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgifnksm%2FProjectEulerRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6fae18adf191ff1edb59d1db2afc2048a076a85a
[INFO] checking gifnksm/ProjectEulerRust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgifnksm%2FProjectEulerRust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gifnksm/ProjectEulerRust 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/gifnksm/ProjectEulerRust
[INFO] finished tweaking git repo https://github.com/gifnksm/ProjectEulerRust
[INFO] tweaked toml for git repo https://github.com/gifnksm/ProjectEulerRust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gifnksm/ProjectEulerRust 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 polynomial v0.2.6
[INFO] [stderr]   Downloaded union-find v0.4.2
[INFO] [stderr]   Downloaded generic-matrix v0.2.2
[INFO] [stderr]   Downloaded attohttpc v0.28.0
[INFO] [stderr]   Downloaded syn v2.0.54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 422078e0b0774551f3f92e79c7bf9e5edc485263bbe1f7c8247c2111424116b8
[INFO] running `Command { std: "docker" "start" "-a" "422078e0b0774551f3f92e79c7bf9e5edc485263bbe1f7c8247c2111424116b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "422078e0b0774551f3f92e79c7bf9e5edc485263bbe1f7c8247c2111424116b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "422078e0b0774551f3f92e79c7bf9e5edc485263bbe1f7c8247c2111424116b8", kill_on_drop: false }`
[INFO] [stdout] 422078e0b0774551f3f92e79c7bf9e5edc485263bbe1f7c8247c2111424116b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f4be28ba496bcd3089a693f252e3fc938c2ca4e57fab08a312fb2eae71a7a94a
[INFO] running `Command { std: "docker" "start" "-a" "f4be28ba496bcd3089a693f252e3fc938c2ca4e57fab08a312fb2eae71a7a94a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]    Compiling syn v2.0.54
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking iter v0.0.1 (/opt/rustwide/workdir/pkg/iter)
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking playing_card v0.0.1 (/opt/rustwide/workdir/pkg/playing_card)
[INFO] [stderr]     Checking topological-sort v0.2.2
[INFO] [stderr]     Checking union-find v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking openssl-sys v0.9.101
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking generic-matrix v0.2.2
[INFO] [stderr]     Checking polynomial v0.2.6
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking prime v0.0.1 (/opt/rustwide/workdir/pkg/prime)
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking seq v0.0.1 (/opt/rustwide/workdir/pkg/seq)
[INFO] [stdout] warning: the item `IntoIterator` is imported redundantly
[INFO] [stdout]   --> pkg/prime/src/lib.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     iter::IntoIterator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `IntoIterator` is already defined here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> pkg/prime/src/lib.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  |     unused,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap v4.5.3
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling derive-try-from-primitive v1.0.0
[INFO] [stderr]     Checking integer v0.0.1 (/opt/rustwide/workdir/pkg/integer)
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking cont_frac v0.0.1 (/opt/rustwide/workdir/pkg/cont_frac)
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking openssl v0.10.64
[INFO] [stderr]     Checking pretty_env_logger v0.5.0
[INFO] [stderr]     Checking native-tls v0.2.11
[INFO] [stderr]     Checking attohttpc v0.28.0
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking ProjectEulerRust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]    --> src/bin/p054.rs:326:16
[INFO] [stdout]     |
[INFO] [stdout] 326 |     use rand::{self, seq::SliceRandom};
[INFO] [stdout]     |                ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/bin/p054.rs:5:5
[INFO] [stdout]     |
[INFO] [stdout] 5   |     unused,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_imports)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IntoIterator` is imported redundantly
[INFO] [stdout]   --> pkg/prime/src/lib.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     iter::IntoIterator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `IntoIterator` is already defined here
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> pkg/prime/src/lib.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  |     unused,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.65s
[INFO] running `Command { std: "docker" "inspect" "f4be28ba496bcd3089a693f252e3fc938c2ca4e57fab08a312fb2eae71a7a94a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4be28ba496bcd3089a693f252e3fc938c2ca4e57fab08a312fb2eae71a7a94a", kill_on_drop: false }`
[INFO] [stdout] f4be28ba496bcd3089a693f252e3fc938c2ca4e57fab08a312fb2eae71a7a94a