[INFO] cloning repository https://github.com/hitzemann/euler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hitzemann/euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhitzemann%2Feuler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhitzemann%2Feuler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a88522f52407113b06c9eb3d8c25282168ea9b42
[INFO] checking hitzemann/euler against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhitzemann%2Feuler" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hitzemann/euler on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hitzemann/euler
[INFO] finished tweaking git repo https://github.com/hitzemann/euler
[INFO] tweaked toml for git repo https://github.com/hitzemann/euler written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hitzemann/euler 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded primal-sieve v0.3.2
[INFO] [stderr]   Downloaded primal v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29488d8dea93c4b85eb157a6b1bdd74754990cc4fbfcf74930f44182925e1038
[INFO] running `Command { std: "docker" "start" "-a" "29488d8dea93c4b85eb157a6b1bdd74754990cc4fbfcf74930f44182925e1038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29488d8dea93c4b85eb157a6b1bdd74754990cc4fbfcf74930f44182925e1038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29488d8dea93c4b85eb157a6b1bdd74754990cc4fbfcf74930f44182925e1038", kill_on_drop: false }`
[INFO] [stdout] 29488d8dea93c4b85eb157a6b1bdd74754990cc4fbfcf74930f44182925e1038
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8777f9f7fe6cf859fefe897271bccad7d9025af9dc6013b22e4af540bd9146ea
[INFO] running `Command { std: "docker" "start" "-a" "8777f9f7fe6cf859fefe897271bccad7d9025af9dc6013b22e4af540bd9146ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling crossbeam-utils v0.8.10
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.9
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking smallvec v1.8.1
[INFO] [stderr]     Checking primal-bit v0.3.0
[INFO] [stderr]     Checking primal-estimate v0.3.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking primal-sieve v0.3.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking primal-check v0.3.1
[INFO] [stderr]     Checking primal v0.3.2
[INFO] [stderr]     Checking euler v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/euler.rs:708:15
[INFO] [stdout]     |
[INFO] [stdout] 708 |         res += *byte.deref() as u64
[INFO] [stdout]     |                     ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `u8` does not implement `Deref`, so calling `deref` on `&u8` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/euler.rs:708:15
[INFO] [stdout]     |
[INFO] [stdout] 708 |         res += *byte.deref() as u64
[INFO] [stdout]     |                     ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `u8` does not implement `Deref`, so calling `deref` on `&u8` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.05s
[INFO] running `Command { std: "docker" "inspect" "8777f9f7fe6cf859fefe897271bccad7d9025af9dc6013b22e4af540bd9146ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8777f9f7fe6cf859fefe897271bccad7d9025af9dc6013b22e4af540bd9146ea", kill_on_drop: false }`
[INFO] [stdout] 8777f9f7fe6cf859fefe897271bccad7d9025af9dc6013b22e4af540bd9146ea