[INFO] cloning repository https://github.com/flippette/elfinfo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flippette/elfinfo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflippette%2Felfinfo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflippette%2Felfinfo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53bf8d6bbc01ea74b85e99ac82deb057bdd277f9
[INFO] checking flippette/elfinfo against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflippette%2Felfinfo" "/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/flippette/elfinfo 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/flippette/elfinfo
[INFO] finished tweaking git repo https://github.com/flippette/elfinfo
[INFO] tweaked toml for git repo https://github.com/flippette/elfinfo written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/flippette/elfinfo 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 derive-try-from-primitive v1.0.0
[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] 5e75dd4c79e5c3116835e4af83cf00f3604e8145060c42739d8974560a02eb55
[INFO] running `Command { std: "docker" "start" "-a" "5e75dd4c79e5c3116835e4af83cf00f3604e8145060c42739d8974560a02eb55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e75dd4c79e5c3116835e4af83cf00f3604e8145060c42739d8974560a02eb55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e75dd4c79e5c3116835e4af83cf00f3604e8145060c42739d8974560a02eb55", kill_on_drop: false }`
[INFO] [stdout] 5e75dd4c79e5c3116835e4af83cf00f3604e8145060c42739d8974560a02eb55
[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] af17ddf0cfff1f4a19dfd4a155d4b6183e6598f5c8b9b591c23205a5ce707b05
[INFO] running `Command { std: "docker" "start" "-a" "af17ddf0cfff1f4a19dfd4a155d4b6183e6598f5c8b9b591c23205a5ce707b05", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking pin-project-lite v0.2.11
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]    Compiling cc v1.0.81
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]     Checking addr2line v0.20.0
[INFO] [stderr]    Compiling derive-try-from-primitive v1.0.0
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]     Checking elfinfo v0.1.0 (/opt/rustwide/workdir/elfinfo)
[INFO] [stderr]     Checking elfinfo-run v0.1.0 (/opt/rustwide/workdir/elfinfo-run)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.63s
[INFO] running `Command { std: "docker" "inspect" "af17ddf0cfff1f4a19dfd4a155d4b6183e6598f5c8b9b591c23205a5ce707b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af17ddf0cfff1f4a19dfd4a155d4b6183e6598f5c8b9b591c23205a5ce707b05", kill_on_drop: false }`
[INFO] [stdout] af17ddf0cfff1f4a19dfd4a155d4b6183e6598f5c8b9b591c23205a5ce707b05
[INFO] checking flippette/elfinfo against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflippette%2Felfinfo" "/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/flippette/elfinfo 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/flippette/elfinfo
[INFO] finished tweaking git repo https://github.com/flippette/elfinfo
[INFO] tweaked toml for git repo https://github.com/flippette/elfinfo written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/flippette/elfinfo 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-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] 7746aad73c177d82c254e1a3705b2e3a38c631e1dbe8201796b3922c244bbd8a
[INFO] running `Command { std: "docker" "start" "-a" "7746aad73c177d82c254e1a3705b2e3a38c631e1dbe8201796b3922c244bbd8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7746aad73c177d82c254e1a3705b2e3a38c631e1dbe8201796b3922c244bbd8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7746aad73c177d82c254e1a3705b2e3a38c631e1dbe8201796b3922c244bbd8a", kill_on_drop: false }`
[INFO] [stdout] 7746aad73c177d82c254e1a3705b2e3a38c631e1dbe8201796b3922c244bbd8a
[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] febd1ab676e71df1e2b09b9fcd873933aa6856439c53679f34f03369b903631d
[INFO] running `Command { std: "docker" "start" "-a" "febd1ab676e71df1e2b09b9fcd873933aa6856439c53679f34f03369b903631d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking pin-project-lite v0.2.11
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling cc v1.0.81
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking addr2line v0.20.0
[INFO] [stderr]    Compiling derive-try-from-primitive v1.0.0
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]     Checking elfinfo v0.1.0 (/opt/rustwide/workdir/elfinfo)
[INFO] [stderr]     Checking elfinfo-run v0.1.0 (/opt/rustwide/workdir/elfinfo-run)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.95s
[INFO] running `Command { std: "docker" "inspect" "febd1ab676e71df1e2b09b9fcd873933aa6856439c53679f34f03369b903631d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "febd1ab676e71df1e2b09b9fcd873933aa6856439c53679f34f03369b903631d", kill_on_drop: false }`
[INFO] [stdout] febd1ab676e71df1e2b09b9fcd873933aa6856439c53679f34f03369b903631d