[INFO] cloning repository https://github.com/pandaman64/collatz_cluster
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pandaman64/collatz_cluster" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpandaman64%2Fcollatz_cluster", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpandaman64%2Fcollatz_cluster'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 417fe6c3ec77074223ccd21bb5337c651120c10e
[INFO] checking pandaman64/collatz_cluster against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpandaman64%2Fcollatz_cluster" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pandaman64/collatz_cluster 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/pandaman64/collatz_cluster
[INFO] finished tweaking git repo https://github.com/pandaman64/collatz_cluster
[INFO] tweaked toml for git repo https://github.com/pandaman64/collatz_cluster written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pandaman64/collatz_cluster 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] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded triomphe v0.1.8
[INFO] [stderr]   Downloaded camino v1.1.1
[INFO] [stderr]   Downloaded axum-core v0.2.8
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.2.6
[INFO] [stderr]   Downloaded quanta v0.10.1
[INFO] [stderr]   Downloaded raw-cpuid v10.6.0
[INFO] [stderr]   Downloaded axum v0.5.16
[INFO] [stderr]   Downloaded moka v0.9.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ec703cf45ee56efbf30148de5fb6b06b966e3c23491269d86d49f787c64df579
[INFO] running `Command { std: "docker" "start" "-a" "ec703cf45ee56efbf30148de5fb6b06b966e3c23491269d86d49f787c64df579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec703cf45ee56efbf30148de5fb6b06b966e3c23491269d86d49f787c64df579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec703cf45ee56efbf30148de5fb6b06b966e3c23491269d86d49f787c64df579", kill_on_drop: false }`
[INFO] [stdout] ec703cf45ee56efbf30148de5fb6b06b966e3c23491269d86d49f787c64df579
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 04ad51e2661b62ff3230dc8648cbc331d0a43eba083de8814dc700169c90179e
[INFO] running `Command { std: "docker" "start" "-a" "04ad51e2661b62ff3230dc8648cbc331d0a43eba083de8814dc700169c90179e", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]    Compiling tokio v1.21.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling async-trait v0.1.57
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling thiserror v1.0.35
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking raw-cpuid v10.6.0
[INFO] [stderr]    Compiling moka v0.9.4
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.6
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking uuid v1.1.2
[INFO] [stderr]     Checking triomphe v0.1.8
[INFO] [stderr]     Checking tagptr v0.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.15
[INFO] [stderr]     Checking eyre v0.6.8
[INFO] [stderr]     Checking quanta v0.10.1
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.35
[INFO] [stderr]     Checking axum-core v0.2.8
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking hyper v0.14.20
[INFO] [stderr]     Checking tower-http v0.3.4
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking axum v0.5.16
[INFO] [stderr]     Checking collatz_compute v0.1.0 (/opt/rustwide/workdir/collatz_compute)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.54s
[INFO] running `Command { std: "docker" "inspect" "04ad51e2661b62ff3230dc8648cbc331d0a43eba083de8814dc700169c90179e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04ad51e2661b62ff3230dc8648cbc331d0a43eba083de8814dc700169c90179e", kill_on_drop: false }`
[INFO] [stdout] 04ad51e2661b62ff3230dc8648cbc331d0a43eba083de8814dc700169c90179e