[INFO] fetching crate xtcat 0.3.2...
[INFO] checking xtcat-0.3.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate xtcat 0.3.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate xtcat 0.3.2 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 crates.io crate xtcat 0.3.2
[INFO] finished tweaking crates.io crate xtcat 0.3.2
[INFO] tweaked toml for crates.io crate xtcat 0.3.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate xtcat 0.3.2 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 bstr v1.5.0
[INFO] [stderr]   Downloaded file_diff v1.0.0
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41fec9b32a0fa01a95589e14d678fdcb06cef6715018b8825fd424ec187ea614
[INFO] running `Command { std: "docker" "start" "-a" "41fec9b32a0fa01a95589e14d678fdcb06cef6715018b8825fd424ec187ea614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41fec9b32a0fa01a95589e14d678fdcb06cef6715018b8825fd424ec187ea614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41fec9b32a0fa01a95589e14d678fdcb06cef6715018b8825fd424ec187ea614", kill_on_drop: false }`
[INFO] [stdout] 41fec9b32a0fa01a95589e14d678fdcb06cef6715018b8825fd424ec187ea614
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b29ae264268dfcf38d49509d8d7078a27a2777142ffd20e0cc1b909767075e7d
[INFO] running `Command { std: "docker" "start" "-a" "b29ae264268dfcf38d49509d8d7078a27a2777142ffd20e0cc1b909767075e7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]    Compiling rustix v0.38.19
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking file_diff v1.0.0
[INFO] [stderr]     Checking termion v2.0.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking clap_builder v4.4.6
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking bstr v1.5.0
[INFO] [stderr]     Checking predicates v3.0.3
[INFO] [stderr]     Checking assert_cmd v2.0.12
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking tempfile v3.8.0
[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]     Checking clap v4.4.6
[INFO] [stderr]     Checking xtcat v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.52s
[INFO] running `Command { std: "docker" "inspect" "b29ae264268dfcf38d49509d8d7078a27a2777142ffd20e0cc1b909767075e7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b29ae264268dfcf38d49509d8d7078a27a2777142ffd20e0cc1b909767075e7d", kill_on_drop: false }`
[INFO] [stdout] b29ae264268dfcf38d49509d8d7078a27a2777142ffd20e0cc1b909767075e7d
[INFO] checking xtcat-0.3.2 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate xtcat 0.3.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate xtcat 0.3.2 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 crates.io crate xtcat 0.3.2
[INFO] finished tweaking crates.io crate xtcat 0.3.2
[INFO] tweaked toml for crates.io crate xtcat 0.3.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate xtcat 0.3.2 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 45d0ff9c2def186d256655b7b0a0b735c15fd6c875d161df5d6cf6dfde3562cb
[INFO] running `Command { std: "docker" "start" "-a" "45d0ff9c2def186d256655b7b0a0b735c15fd6c875d161df5d6cf6dfde3562cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45d0ff9c2def186d256655b7b0a0b735c15fd6c875d161df5d6cf6dfde3562cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45d0ff9c2def186d256655b7b0a0b735c15fd6c875d161df5d6cf6dfde3562cb", kill_on_drop: false }`
[INFO] [stdout] 45d0ff9c2def186d256655b7b0a0b735c15fd6c875d161df5d6cf6dfde3562cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8ca0ddbbaf42fcecb7d7f246494254d777bd5e486d6cf47b003e052445695b5f
[INFO] running `Command { std: "docker" "start" "-a" "8ca0ddbbaf42fcecb7d7f246494254d777bd5e486d6cf47b003e052445695b5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling rustix v0.38.19
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking file_diff v1.0.0
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking termion v2.0.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking clap_builder v4.4.6
[INFO] [stderr]     Checking bstr v1.5.0
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking predicates v3.0.3
[INFO] [stderr]     Checking assert_cmd v2.0.12
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking tempfile v3.8.0
[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]     Checking clap v4.4.6
[INFO] [stderr]     Checking xtcat v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.99s
[INFO] running `Command { std: "docker" "inspect" "8ca0ddbbaf42fcecb7d7f246494254d777bd5e486d6cf47b003e052445695b5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ca0ddbbaf42fcecb7d7f246494254d777bd5e486d6cf47b003e052445695b5f", kill_on_drop: false }`
[INFO] [stdout] 8ca0ddbbaf42fcecb7d7f246494254d777bd5e486d6cf47b003e052445695b5f