[INFO] cloning repository https://github.com/julianbuettner/swapvec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/julianbuettner/swapvec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulianbuettner%2Fswapvec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulianbuettner%2Fswapvec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de80eed931c6b948fc239f01ce3d509003258ce6
[INFO] checking julianbuettner/swapvec against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulianbuettner%2Fswapvec" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/julianbuettner/swapvec 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/julianbuettner/swapvec
[INFO] finished tweaking git repo https://github.com/julianbuettner/swapvec
[INFO] tweaked toml for git repo https://github.com/julianbuettner/swapvec written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/julianbuettner/swapvec 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lz4_flex v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c57931a037e49146608d89bfd6e3e7738e04dad67206e7fb832c275a97b2d149
[INFO] running `Command { std: "docker" "start" "-a" "c57931a037e49146608d89bfd6e3e7738e04dad67206e7fb832c275a97b2d149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c57931a037e49146608d89bfd6e3e7738e04dad67206e7fb832c275a97b2d149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57931a037e49146608d89bfd6e3e7738e04dad67206e7fb832c275a97b2d149", kill_on_drop: false }`
[INFO] [stdout] c57931a037e49146608d89bfd6e3e7738e04dad67206e7fb832c275a97b2d149
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bd75d2dabb97c8e081af440e456115b3ece9ffdc03c77f454ba6952615b50864
[INFO] running `Command { std: "docker" "start" "-a" "bd75d2dabb97c8e081af440e456115b3ece9ffdc03c77f454ba6952615b50864", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.22
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking lz4_flex v0.10.0
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking swapvec v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.32s
[INFO] running `Command { std: "docker" "inspect" "bd75d2dabb97c8e081af440e456115b3ece9ffdc03c77f454ba6952615b50864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd75d2dabb97c8e081af440e456115b3ece9ffdc03c77f454ba6952615b50864", kill_on_drop: false }`
[INFO] [stdout] bd75d2dabb97c8e081af440e456115b3ece9ffdc03c77f454ba6952615b50864
[INFO] checking julianbuettner/swapvec against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulianbuettner%2Fswapvec" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/julianbuettner/swapvec 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/julianbuettner/swapvec
[INFO] finished tweaking git repo https://github.com/julianbuettner/swapvec
[INFO] tweaked toml for git repo https://github.com/julianbuettner/swapvec written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/julianbuettner/swapvec 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] edbd78824f3df02818f4bbb1ef1c57455a6e37b0d65f2db8069c6345b37928ef
[INFO] running `Command { std: "docker" "start" "-a" "edbd78824f3df02818f4bbb1ef1c57455a6e37b0d65f2db8069c6345b37928ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edbd78824f3df02818f4bbb1ef1c57455a6e37b0d65f2db8069c6345b37928ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edbd78824f3df02818f4bbb1ef1c57455a6e37b0d65f2db8069c6345b37928ef", kill_on_drop: false }`
[INFO] [stdout] edbd78824f3df02818f4bbb1ef1c57455a6e37b0d65f2db8069c6345b37928ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1f628cda0356ee0c6873bab4168856ac2b5521952944f58623f0a95f2a69cb1d
[INFO] running `Command { std: "docker" "start" "-a" "1f628cda0356ee0c6873bab4168856ac2b5521952944f58623f0a95f2a69cb1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling rustix v0.38.22
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking lz4_flex v0.10.0
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking swapvec v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.74s
[INFO] running `Command { std: "docker" "inspect" "1f628cda0356ee0c6873bab4168856ac2b5521952944f58623f0a95f2a69cb1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f628cda0356ee0c6873bab4168856ac2b5521952944f58623f0a95f2a69cb1d", kill_on_drop: false }`
[INFO] [stdout] 1f628cda0356ee0c6873bab4168856ac2b5521952944f58623f0a95f2a69cb1d