[INFO] cloning repository https://github.com/Kazurin-775/picotin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kazurin-775/picotin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKazurin-775%2Fpicotin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKazurin-775%2Fpicotin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 722e316ceb3832a67fc743253f943a083e7b3cba
[INFO] checking Kazurin-775/picotin against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKazurin-775%2Fpicotin" "/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/Kazurin-775/picotin 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/Kazurin-775/picotin
[INFO] finished tweaking git repo https://github.com/Kazurin-775/picotin
[INFO] tweaked toml for git repo https://github.com/Kazurin-775/picotin written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Kazurin-775/picotin 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 paste v1.0.12
[INFO] [stderr]   Downloaded netlink-packet-core v0.5.0
[INFO] [stderr]   Downloaded netlink-proto v0.11.1
[INFO] [stderr]   Downloaded cgroups-rs v0.3.2
[INFO] [stderr]   Downloaded clap_builder v4.3.3
[INFO] [stderr]   Downloaded syn v2.0.18
[INFO] [stderr]   Downloaded clap v4.3.3
[INFO] [stderr]   Downloaded once_cell v1.17.1
[INFO] [stderr]   Downloaded netlink-packet-route v0.15.0
[INFO] [stderr]   Downloaded rustix v0.37.13
[INFO] [stderr]   Downloaded polling v2.5.2
[INFO] [stderr]   Downloaded rtnetlink v0.12.0
[INFO] [stderr]   Downloaded unshare v0.7.0
[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] df0b28ed98de37f5f3fceae443a0737ebcf19f143a312c76662b372b0925e340
[INFO] running `Command { std: "docker" "start" "-a" "df0b28ed98de37f5f3fceae443a0737ebcf19f143a312c76662b372b0925e340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df0b28ed98de37f5f3fceae443a0737ebcf19f143a312c76662b372b0925e340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df0b28ed98de37f5f3fceae443a0737ebcf19f143a312c76662b372b0925e340", kill_on_drop: false }`
[INFO] [stdout] df0b28ed98de37f5f3fceae443a0737ebcf19f143a312c76662b372b0925e340
[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] 500c8eaec8f87a96ddfe057444a310640b481439c3802739e43a1d526512883f
[INFO] running `Command { std: "docker" "start" "-a" "500c8eaec8f87a96ddfe057444a310640b481439c3802739e43a1d526512883f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling rustix v0.37.13
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking parking v2.1.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking async-lock v2.7.0
[INFO] [stderr]    Compiling polling v2.5.2
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking async-task v4.4.0
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking async-channel v1.8.0
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking anstyle-parse v0.2.0
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]     Checking atomic-waker v1.1.1
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking async-executor v1.5.1
[INFO] [stderr]     Checking blocking v1.3.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking clap_builder v4.3.3
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking async-global-executor v2.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]     Checking unshare v0.7.0
[INFO] [stderr]     Checking thiserror v1.0.40
[INFO] [stderr]     Checking netlink-packet-utils v0.5.2
[INFO] [stderr]     Checking cgroups-rs v0.3.2
[INFO] [stderr]     Checking netlink-packet-core v0.5.0
[INFO] [stderr]     Checking netlink-packet-route v0.15.0
[INFO] [stderr]     Checking clap v4.3.3
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking netlink-sys v0.8.5
[INFO] [stderr]     Checking netlink-proto v0.11.1
[INFO] [stderr]     Checking rtnetlink v0.12.0
[INFO] [stderr]     Checking picotin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.57s
[INFO] running `Command { std: "docker" "inspect" "500c8eaec8f87a96ddfe057444a310640b481439c3802739e43a1d526512883f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "500c8eaec8f87a96ddfe057444a310640b481439c3802739e43a1d526512883f", kill_on_drop: false }`
[INFO] [stdout] 500c8eaec8f87a96ddfe057444a310640b481439c3802739e43a1d526512883f
[INFO] checking Kazurin-775/picotin against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKazurin-775%2Fpicotin" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kazurin-775/picotin on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kazurin-775/picotin
[INFO] finished tweaking git repo https://github.com/Kazurin-775/picotin
[INFO] tweaked toml for git repo https://github.com/Kazurin-775/picotin written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Kazurin-775/picotin 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6c107c35a4b33f5e03429f4476c14f47301f55d78ea3dbdeb3d941e08625c61
[INFO] running `Command { std: "docker" "start" "-a" "b6c107c35a4b33f5e03429f4476c14f47301f55d78ea3dbdeb3d941e08625c61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6c107c35a4b33f5e03429f4476c14f47301f55d78ea3dbdeb3d941e08625c61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6c107c35a4b33f5e03429f4476c14f47301f55d78ea3dbdeb3d941e08625c61", kill_on_drop: false }`
[INFO] [stdout] b6c107c35a4b33f5e03429f4476c14f47301f55d78ea3dbdeb3d941e08625c61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1ddb4b85164a82cb90cad8b5d3affecf10f8bcd49a8cfa34db51391407909ba
[INFO] running `Command { std: "docker" "start" "-a" "c1ddb4b85164a82cb90cad8b5d3affecf10f8bcd49a8cfa34db51391407909ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling rustix v0.37.13
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.1.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking async-lock v2.7.0
[INFO] [stderr]    Compiling polling v2.5.2
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking async-task v4.4.0
[INFO] [stderr]     Checking anstyle-parse v0.2.0
[INFO] [stderr]     Checking async-channel v1.8.0
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]     Checking atomic-waker v1.1.1
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking async-executor v1.5.1
[INFO] [stderr]     Checking blocking v1.3.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking clap_builder v4.3.3
[INFO] [stderr]     Checking async-global-executor v2.3.1
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]     Checking unshare v0.7.0
[INFO] [stderr]     Checking thiserror v1.0.40
[INFO] [stderr]     Checking netlink-packet-utils v0.5.2
[INFO] [stderr]     Checking cgroups-rs v0.3.2
[INFO] [stderr]     Checking netlink-packet-core v0.5.0
[INFO] [stderr]     Checking netlink-packet-route v0.15.0
[INFO] [stderr]     Checking clap v4.3.3
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking netlink-sys v0.8.5
[INFO] [stderr]     Checking netlink-proto v0.11.1
[INFO] [stderr]     Checking rtnetlink v0.12.0
[INFO] [stderr]     Checking picotin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.46s
[INFO] running `Command { std: "docker" "inspect" "c1ddb4b85164a82cb90cad8b5d3affecf10f8bcd49a8cfa34db51391407909ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1ddb4b85164a82cb90cad8b5d3affecf10f8bcd49a8cfa34db51391407909ba", kill_on_drop: false }`
[INFO] [stdout] c1ddb4b85164a82cb90cad8b5d3affecf10f8bcd49a8cfa34db51391407909ba