[INFO] cloning repository https://github.com/ntegan/initramfs_append_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ntegan/initramfs_append_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fntegan%2Finitramfs_append_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fntegan%2Finitramfs_append_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32273fd4a0a33985f4dd7017a4f01dba74eaa74f
[INFO] checking ntegan/initramfs_append_rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fntegan%2Finitramfs_append_rs" "/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/ntegan/initramfs_append_rs 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/ntegan/initramfs_append_rs
[INFO] finished tweaking git repo https://github.com/ntegan/initramfs_append_rs
[INFO] tweaked toml for git repo https://github.com/ntegan/initramfs_append_rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ntegan/initramfs_append_rs 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 cpio v0.2.0
[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] adad7c68073c17fac6f4a68514d055e8f2dc7358e25517dbd4324258411140a3
[INFO] running `Command { std: "docker" "start" "-a" "adad7c68073c17fac6f4a68514d055e8f2dc7358e25517dbd4324258411140a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adad7c68073c17fac6f4a68514d055e8f2dc7358e25517dbd4324258411140a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adad7c68073c17fac6f4a68514d055e8f2dc7358e25517dbd4324258411140a3", kill_on_drop: false }`
[INFO] [stdout] adad7c68073c17fac6f4a68514d055e8f2dc7358e25517dbd4324258411140a3
[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] 64ce3c361d595e079e2bf35c4d02796b4411d4ee8c6adba2232b3f3ab9a948f4
[INFO] running `Command { std: "docker" "start" "-a" "64ce3c361d595e079e2bf35c4d02796b4411d4ee8c6adba2232b3f3ab9a948f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking cpio v0.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking a v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `INITRAMFS_OUTFILE` is never used
[INFO] [stdout]   --> src/main.rs:51:7
[INFO] [stdout]    |
[INFO] [stdout] 51 | const INITRAMFS_OUTFILE:&'static str = "./initramfs.out";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INITRAMFS_OUTFILE` is never used
[INFO] [stdout]   --> src/main.rs:51:7
[INFO] [stdout]    |
[INFO] [stdout] 51 | const INITRAMFS_OUTFILE:&'static str = "./initramfs.out";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "64ce3c361d595e079e2bf35c4d02796b4411d4ee8c6adba2232b3f3ab9a948f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64ce3c361d595e079e2bf35c4d02796b4411d4ee8c6adba2232b3f3ab9a948f4", kill_on_drop: false }`
[INFO] [stdout] 64ce3c361d595e079e2bf35c4d02796b4411d4ee8c6adba2232b3f3ab9a948f4
[INFO] checking ntegan/initramfs_append_rs against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fntegan%2Finitramfs_append_rs" "/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/ntegan/initramfs_append_rs 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/ntegan/initramfs_append_rs
[INFO] finished tweaking git repo https://github.com/ntegan/initramfs_append_rs
[INFO] tweaked toml for git repo https://github.com/ntegan/initramfs_append_rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ntegan/initramfs_append_rs 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] 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] 9b5e083cea55c513b3e8a854ea79bf1c181a6ff291f9bb38b474b3d84b6c315f
[INFO] running `Command { std: "docker" "start" "-a" "9b5e083cea55c513b3e8a854ea79bf1c181a6ff291f9bb38b474b3d84b6c315f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b5e083cea55c513b3e8a854ea79bf1c181a6ff291f9bb38b474b3d84b6c315f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5e083cea55c513b3e8a854ea79bf1c181a6ff291f9bb38b474b3d84b6c315f", kill_on_drop: false }`
[INFO] [stdout] 9b5e083cea55c513b3e8a854ea79bf1c181a6ff291f9bb38b474b3d84b6c315f
[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] 12745a18349fef1506586fa3d782db8b93afac3ed9f4d8fdbdad44bb269b7d2e
[INFO] running `Command { std: "docker" "start" "-a" "12745a18349fef1506586fa3d782db8b93afac3ed9f4d8fdbdad44bb269b7d2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking cpio v0.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking a v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `INITRAMFS_OUTFILE` is never used
[INFO] [stdout]   --> src/main.rs:51:7
[INFO] [stdout]    |
[INFO] [stdout] 51 | const INITRAMFS_OUTFILE:&'static str = "./initramfs.out";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INITRAMFS_OUTFILE` is never used
[INFO] [stdout]   --> src/main.rs:51:7
[INFO] [stdout]    |
[INFO] [stdout] 51 | const INITRAMFS_OUTFILE:&'static str = "./initramfs.out";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "12745a18349fef1506586fa3d782db8b93afac3ed9f4d8fdbdad44bb269b7d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12745a18349fef1506586fa3d782db8b93afac3ed9f4d8fdbdad44bb269b7d2e", kill_on_drop: false }`
[INFO] [stdout] 12745a18349fef1506586fa3d782db8b93afac3ed9f4d8fdbdad44bb269b7d2e