[INFO] fetching crate dwarfdump 0.1.0...
[INFO] checking dwarfdump-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate dwarfdump 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate dwarfdump 0.1.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dwarfdump 0.1.0
[INFO] finished tweaking crates.io crate dwarfdump 0.1.0
[INFO] tweaked toml for crates.io crate dwarfdump 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages
[INFO] [stderr]       Adding arrayvec v0.3.25 (latest: v0.7.4)
[INFO] [stderr]       Adding byteorder v0.5.3 (latest: v1.5.0)
[INFO] [stderr]       Adding fallible-iterator v0.1.6 (latest: v0.3.0)
[INFO] [stderr]       Adding fs2 v0.2.5 (latest: v0.4.3)
[INFO] [stderr]       Adding gimli v0.13.0 (latest: v0.28.1)
[INFO] [stderr]       Adding memmap v0.4.0 (latest: v0.7.0)
[INFO] [stderr]       Adding object v0.3.0 (latest: v0.34.0)
[INFO] [stderr]       Adding odds v0.2.26 (latest: v0.4.0)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[INFO] [stderr]       Adding xmas-elf v0.4.0 (latest: v0.9.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memmap v0.4.0
[INFO] [stderr]   Downloaded fs2 v0.2.5
[INFO] [stderr]   Downloaded object v0.3.0
[INFO] [stderr]   Downloaded mach_o_sys v0.1.1
[INFO] [stderr]   Downloaded mach_o v0.1.2
[INFO] [stderr]   Downloaded gimli v0.13.0
[INFO] [stderr]   Downloaded xmas-elf v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a762a0251cf389164b89209683e1be1b2ff701c6bdec4b190ddfbbbca390a552
[INFO] running `Command { std: "docker" "start" "-a" "a762a0251cf389164b89209683e1be1b2ff701c6bdec4b190ddfbbbca390a552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a762a0251cf389164b89209683e1be1b2ff701c6bdec4b190ddfbbbca390a552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a762a0251cf389164b89209683e1be1b2ff701c6bdec4b190ddfbbbca390a552", kill_on_drop: false }`
[INFO] [stdout] a762a0251cf389164b89209683e1be1b2ff701c6bdec4b190ddfbbbca390a552
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf1a1b42f177e4b394aadaf8d0cac9e0dd18fc70d733c157f062f9c4118bcf76
[INFO] running `Command { std: "docker" "start" "-a" "bf1a1b42f177e4b394aadaf8d0cac9e0dd18fc70d733c157f062f9c4118bcf76", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking zero v0.1.3
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking fallible-iterator v0.1.6
[INFO] [stderr]     Checking xmas-elf v0.4.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]     Checking object v0.3.0
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking gimli v0.13.0
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]     Checking dwarfdump v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "bf1a1b42f177e4b394aadaf8d0cac9e0dd18fc70d733c157f062f9c4118bcf76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf1a1b42f177e4b394aadaf8d0cac9e0dd18fc70d733c157f062f9c4118bcf76", kill_on_drop: false }`
[INFO] [stdout] bf1a1b42f177e4b394aadaf8d0cac9e0dd18fc70d733c157f062f9c4118bcf76