[INFO] cloning repository https://github.com/ViridiCanis/unarc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ViridiCanis/unarc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FViridiCanis%2Funarc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FViridiCanis%2Funarc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dea5828c0237e76ec46cea58970ddced8fdc64f8
[INFO] checking ViridiCanis/unarc against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FViridiCanis%2Funarc" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ViridiCanis/unarc 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/ViridiCanis/unarc
[INFO] finished tweaking git repo https://github.com/ViridiCanis/unarc
[INFO] tweaked toml for git repo https://github.com/ViridiCanis/unarc written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ViridiCanis/unarc 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0707d0339f3991147a537d07ab795f69254b0dd3d8f5d586200cc7927fc0ef8e
[INFO] running `Command { std: "docker" "start" "-a" "0707d0339f3991147a537d07ab795f69254b0dd3d8f5d586200cc7927fc0ef8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0707d0339f3991147a537d07ab795f69254b0dd3d8f5d586200cc7927fc0ef8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0707d0339f3991147a537d07ab795f69254b0dd3d8f5d586200cc7927fc0ef8e", kill_on_drop: false }`
[INFO] [stdout] 0707d0339f3991147a537d07ab795f69254b0dd3d8f5d586200cc7927fc0ef8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f249a79b33345e1d9f40aeaf3bbae0b9a24eddf5ebc387d685e020b6394cec6f
[INFO] running `Command { std: "docker" "start" "-a" "f249a79b33345e1d9f40aeaf3bbae0b9a24eddf5ebc387d685e020b6394cec6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]     Checking clap v3.2.8
[INFO] [stderr]     Checking unarc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.51s
[INFO] running `Command { std: "docker" "inspect" "f249a79b33345e1d9f40aeaf3bbae0b9a24eddf5ebc387d685e020b6394cec6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f249a79b33345e1d9f40aeaf3bbae0b9a24eddf5ebc387d685e020b6394cec6f", kill_on_drop: false }`
[INFO] [stdout] f249a79b33345e1d9f40aeaf3bbae0b9a24eddf5ebc387d685e020b6394cec6f
[INFO] checking ViridiCanis/unarc against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FViridiCanis%2Funarc" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ViridiCanis/unarc 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/ViridiCanis/unarc
[INFO] finished tweaking git repo https://github.com/ViridiCanis/unarc
[INFO] tweaked toml for git repo https://github.com/ViridiCanis/unarc written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ViridiCanis/unarc 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d2f2f0e4e7a4022cab131d4a9be93eed7235c14dc61e08a102032fd1477f4b68
[INFO] running `Command { std: "docker" "start" "-a" "d2f2f0e4e7a4022cab131d4a9be93eed7235c14dc61e08a102032fd1477f4b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2f2f0e4e7a4022cab131d4a9be93eed7235c14dc61e08a102032fd1477f4b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2f2f0e4e7a4022cab131d4a9be93eed7235c14dc61e08a102032fd1477f4b68", kill_on_drop: false }`
[INFO] [stdout] d2f2f0e4e7a4022cab131d4a9be93eed7235c14dc61e08a102032fd1477f4b68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c342afd559b6425b02a02b5ffbdbd99313b55d0cf188bba3c4a2fc0db21d41be
[INFO] running `Command { std: "docker" "start" "-a" "c342afd559b6425b02a02b5ffbdbd99313b55d0cf188bba3c4a2fc0db21d41be", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]     Checking hashbrown v0.12.1
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]     Checking clap v3.2.8
[INFO] [stderr]     Checking unarc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.60s
[INFO] running `Command { std: "docker" "inspect" "c342afd559b6425b02a02b5ffbdbd99313b55d0cf188bba3c4a2fc0db21d41be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c342afd559b6425b02a02b5ffbdbd99313b55d0cf188bba3c4a2fc0db21d41be", kill_on_drop: false }`
[INFO] [stdout] c342afd559b6425b02a02b5ffbdbd99313b55d0cf188bba3c4a2fc0db21d41be