[INFO] cloning repository https://github.com/mixlayer/mixlayer-log
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mixlayer/mixlayer-log" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmixlayer%2Fmixlayer-log", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmixlayer%2Fmixlayer-log'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 926deed4ca5f72b1b907ed79a217aa92470df6ae
[INFO] checking mixlayer/mixlayer-log against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmixlayer%2Fmixlayer-log" "/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/mixlayer/mixlayer-log 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/mixlayer/mixlayer-log
[INFO] finished tweaking git repo https://github.com/mixlayer/mixlayer-log
[INFO] tweaked toml for git repo https://github.com/mixlayer/mixlayer-log written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mixlayer/mixlayer-log 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 git repository `https://github.com/mixlayer/mixlayer.git`
[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] f90cacb3be15890bdf3f95c7f92a79bf074a873e62ff7ae1520661cc00ba8993
[INFO] running `Command { std: "docker" "start" "-a" "f90cacb3be15890bdf3f95c7f92a79bf074a873e62ff7ae1520661cc00ba8993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f90cacb3be15890bdf3f95c7f92a79bf074a873e62ff7ae1520661cc00ba8993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f90cacb3be15890bdf3f95c7f92a79bf074a873e62ff7ae1520661cc00ba8993", kill_on_drop: false }`
[INFO] [stdout] f90cacb3be15890bdf3f95c7f92a79bf074a873e62ff7ae1520661cc00ba8993
[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] 1b3ed0e6abb41d9ab38cfb43d4b6321a765fe60513285a6f24d9ca58b213c286
[INFO] running `Command { std: "docker" "start" "-a" "1b3ed0e6abb41d9ab38cfb43d4b6321a765fe60513285a6f24d9ca58b213c286", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustix v0.38.26
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling tempfile v3.8.1
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling mixlayer-macros v0.1.0 (https://github.com/mixlayer/mixlayer.git#697146f2)
[INFO] [stderr]    Compiling prost-derive v0.11.9
[INFO] [stderr]    Compiling prost v0.11.9
[INFO] [stderr]    Compiling prost-types v0.11.9
[INFO] [stderr]    Compiling prost-build v0.11.9
[INFO] [stderr]    Compiling mixlayer-runtime-ffi v0.1.0 (https://github.com/mixlayer/mixlayer.git#697146f2)
[INFO] [stderr]     Checking serde_json v1.0.108
[INFO] [stderr]     Checking mixlayer-data v0.1.0 (https://github.com/mixlayer/mixlayer.git#697146f2)
[INFO] [stderr]     Checking mixlayer-graph v0.1.0 (https://github.com/mixlayer/mixlayer.git#697146f2)
[INFO] [stderr]     Checking mixlayer v0.1.0 (https://github.com/mixlayer/mixlayer.git#697146f2)
[INFO] [stderr]     Checking mixlayer-log v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.32s
[INFO] running `Command { std: "docker" "inspect" "1b3ed0e6abb41d9ab38cfb43d4b6321a765fe60513285a6f24d9ca58b213c286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b3ed0e6abb41d9ab38cfb43d4b6321a765fe60513285a6f24d9ca58b213c286", kill_on_drop: false }`
[INFO] [stdout] 1b3ed0e6abb41d9ab38cfb43d4b6321a765fe60513285a6f24d9ca58b213c286
[INFO] checking mixlayer/mixlayer-log against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmixlayer%2Fmixlayer-log" "/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/mixlayer/mixlayer-log 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/mixlayer/mixlayer-log
[INFO] finished tweaking git repo https://github.com/mixlayer/mixlayer-log
[INFO] tweaked toml for git repo https://github.com/mixlayer/mixlayer-log written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mixlayer/mixlayer-log 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] 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] f7645f620d2a1c6ed15ef92a6a360b2abcb6583f92a6484604a639f4ad30f1f7
[INFO] running `Command { std: "docker" "start" "-a" "f7645f620d2a1c6ed15ef92a6a360b2abcb6583f92a6484604a639f4ad30f1f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7645f620d2a1c6ed15ef92a6a360b2abcb6583f92a6484604a639f4ad30f1f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7645f620d2a1c6ed15ef92a6a360b2abcb6583f92a6484604a639f4ad30f1f7", kill_on_drop: false }`
[INFO] [stdout] f7645f620d2a1c6ed15ef92a6a360b2abcb6583f92a6484604a639f4ad30f1f7
[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] c15353218d120683dbdc8e738615c2c82a780548b076b3bf955a1b2e3a8eb58f
[INFO] running `Command { std: "docker" "start" "-a" "c15353218d120683dbdc8e738615c2c82a780548b076b3bf955a1b2e3a8eb58f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustix v0.38.26
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling tempfile v3.8.1
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling mixlayer-macros v0.1.0 (https://github.com/mixlayer/mixlayer.git#697146f2)
[INFO] [stderr]    Compiling prost-derive v0.11.9
[INFO] [stderr]    Compiling prost v0.11.9
[INFO] [stderr]    Compiling prost-types v0.11.9
[INFO] [stderr]    Compiling prost-build v0.11.9
[INFO] [stderr]    Compiling mixlayer-runtime-ffi v0.1.0 (https://github.com/mixlayer/mixlayer.git#697146f2)
[INFO] [stderr]     Checking serde_json v1.0.108
[INFO] [stderr]     Checking mixlayer-data v0.1.0 (https://github.com/mixlayer/mixlayer.git#697146f2)
[INFO] [stderr]     Checking mixlayer-graph v0.1.0 (https://github.com/mixlayer/mixlayer.git#697146f2)
[INFO] [stderr]     Checking mixlayer v0.1.0 (https://github.com/mixlayer/mixlayer.git#697146f2)
[INFO] [stderr]     Checking mixlayer-log v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.12s
[INFO] running `Command { std: "docker" "inspect" "c15353218d120683dbdc8e738615c2c82a780548b076b3bf955a1b2e3a8eb58f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c15353218d120683dbdc8e738615c2c82a780548b076b3bf955a1b2e3a8eb58f", kill_on_drop: false }`
[INFO] [stdout] c15353218d120683dbdc8e738615c2c82a780548b076b3bf955a1b2e3a8eb58f