[INFO] fetching crate cargo-machete-nk 0.7.1...
[INFO] checking cargo-machete-nk-0.7.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate cargo-machete-nk 0.7.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate cargo-machete-nk 0.7.1 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 cargo-machete-nk 0.7.1
[INFO] finished tweaking crates.io crate cargo-machete-nk 0.7.1
[INFO] tweaked toml for crates.io crate cargo-machete-nk 0.7.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-machete-nk 0.7.1 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 hashbrown v0.14.0
[INFO] [stderr]   Downloaded argh_shared v0.1.12
[INFO] [stderr]   Downloaded pretty_env_logger v0.5.0
[INFO] [stderr]   Downloaded grep v0.2.12
[INFO] [stderr]   Downloaded cargo-platform v0.1.3
[INFO] [stderr]   Downloaded thread_local v1.1.7
[INFO] [stderr]   Downloaded bytecount v0.6.3
[INFO] [stderr]   Downloaded grep-cli v0.1.9
[INFO] [stderr]   Downloaded argh_derive v0.1.12
[INFO] [stderr]   Downloaded toml v0.8.0
[INFO] [stderr]   Downloaded grep-searcher v0.1.11
[INFO] [stderr]   Downloaded winnow v0.5.15
[INFO] [stderr]   Downloaded bstr v1.6.2
[INFO] [stderr]   Downloaded toml_edit v0.20.0
[INFO] [stderr]   Downloaded base64 v0.20.0
[INFO] [stderr]   Downloaded grep-printer v0.1.7
[INFO] [stderr]   Downloaded argh v0.1.12
[INFO] [stderr]   Downloaded camino v1.1.6
[INFO] [stderr]   Downloaded cargo_metadata v0.18.0
[INFO] [stderr]   Downloaded globset v0.4.13
[INFO] [stderr]   Downloaded grep-regex v0.1.11
[INFO] [stderr]   Downloaded grep-matcher v0.1.6
[INFO] [stderr]   Downloaded env_logger v0.10.0
[INFO] [stderr]   Downloaded indexmap v2.0.0
[INFO] [stderr]   Downloaded encoding_rs_io v0.1.7
[INFO] [stderr]   Downloaded termcolor v1.3.0
[INFO] [stderr]   Downloaded serde_spanned v0.6.3
[INFO] [stderr]   Downloaded cargo_toml v0.16.2
[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] 1b335e2d132bdf3c386f63d0632d2b0f26338b1a650bf7bc8095a33ad98308c9
[INFO] running `Command { std: "docker" "start" "-a" "1b335e2d132bdf3c386f63d0632d2b0f26338b1a650bf7bc8095a33ad98308c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b335e2d132bdf3c386f63d0632d2b0f26338b1a650bf7bc8095a33ad98308c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b335e2d132bdf3c386f63d0632d2b0f26338b1a650bf7bc8095a33ad98308c9", kill_on_drop: false }`
[INFO] [stdout] 1b335e2d132bdf3c386f63d0632d2b0f26338b1a650bf7bc8095a33ad98308c9
[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] 53f1dd501d34653e73af3ac9edaea543920925e2a0b60a821e8fc671fad617c4
[INFO] running `Command { std: "docker" "start" "-a" "53f1dd501d34653e73af3ac9edaea543920925e2a0b60a821e8fc671fad617c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]    Compiling rustix v0.38.19
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]     Checking winnow v0.5.15
[INFO] [stderr]    Compiling semver v1.0.19
[INFO] [stderr]     Checking aho-corasick v1.1.1
[INFO] [stderr]     Checking grep-matcher v0.1.6
[INFO] [stderr]     Checking bytecount v0.6.3
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking base64 v0.20.0
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]     Checking bstr v1.6.2
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking globset v0.4.13
[INFO] [stderr]     Checking grep-searcher v0.1.11
[INFO] [stderr]     Checking grep-regex v0.1.11
[INFO] [stderr]     Checking pretty_env_logger v0.5.0
[INFO] [stderr]     Checking grep-cli v0.1.9
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking cargo-platform v0.1.3
[INFO] [stderr]     Checking argh_shared v0.1.12
[INFO] [stderr]     Checking toml_edit v0.20.0
[INFO] [stderr]    Compiling argh_derive v0.1.12
[INFO] [stderr]     Checking grep-printer v0.1.7
[INFO] [stderr]     Checking cargo_metadata v0.18.0
[INFO] [stderr]     Checking grep v0.2.12
[INFO] [stderr]     Checking toml v0.8.0
[INFO] [stderr]     Checking argh v0.1.12
[INFO] [stderr]     Checking cargo_toml v0.16.2
[INFO] [stderr]     Checking cargo-machete-nk v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.97s
[INFO] running `Command { std: "docker" "inspect" "53f1dd501d34653e73af3ac9edaea543920925e2a0b60a821e8fc671fad617c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53f1dd501d34653e73af3ac9edaea543920925e2a0b60a821e8fc671fad617c4", kill_on_drop: false }`
[INFO] [stdout] 53f1dd501d34653e73af3ac9edaea543920925e2a0b60a821e8fc671fad617c4
[INFO] checking cargo-machete-nk-0.7.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate cargo-machete-nk 0.7.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate cargo-machete-nk 0.7.1 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 cargo-machete-nk 0.7.1
[INFO] finished tweaking crates.io crate cargo-machete-nk 0.7.1
[INFO] tweaked toml for crates.io crate cargo-machete-nk 0.7.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate cargo-machete-nk 0.7.1 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] [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] 58b7b464dd731db9cb6de13178252b92720957ac208bf1a2bbd2a88af7a4bd55
[INFO] running `Command { std: "docker" "start" "-a" "58b7b464dd731db9cb6de13178252b92720957ac208bf1a2bbd2a88af7a4bd55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58b7b464dd731db9cb6de13178252b92720957ac208bf1a2bbd2a88af7a4bd55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58b7b464dd731db9cb6de13178252b92720957ac208bf1a2bbd2a88af7a4bd55", kill_on_drop: false }`
[INFO] [stdout] 58b7b464dd731db9cb6de13178252b92720957ac208bf1a2bbd2a88af7a4bd55
[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] 8e1d7379ee1542eea55a629a6fd0989682a9e0518a84ae4b95c0b6fe310f7e4e
[INFO] running `Command { std: "docker" "start" "-a" "8e1d7379ee1542eea55a629a6fd0989682a9e0518a84ae4b95c0b6fe310f7e4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling rustix v0.38.19
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking bytecount v0.6.3
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]     Checking winnow v0.5.15
[INFO] [stderr]    Compiling semver v1.0.19
[INFO] [stderr]     Checking aho-corasick v1.1.1
[INFO] [stderr]     Checking grep-matcher v0.1.6
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking base64 v0.20.0
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]     Checking bstr v1.6.2
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking pretty_env_logger v0.5.0
[INFO] [stderr]     Checking grep-searcher v0.1.11
[INFO] [stderr]     Checking globset v0.4.13
[INFO] [stderr]     Checking grep-regex v0.1.11
[INFO] [stderr]     Checking grep-cli v0.1.9
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking argh_shared v0.1.12
[INFO] [stderr]     Checking cargo-platform v0.1.3
[INFO] [stderr]     Checking toml_edit v0.20.0
[INFO] [stderr]    Compiling argh_derive v0.1.12
[INFO] [stderr]     Checking grep-printer v0.1.7
[INFO] [stderr]     Checking cargo_metadata v0.18.0
[INFO] [stderr]     Checking grep v0.2.12
[INFO] [stderr]     Checking argh v0.1.12
[INFO] [stderr]     Checking toml v0.8.0
[INFO] [stderr]     Checking cargo_toml v0.16.2
[INFO] [stderr]     Checking cargo-machete-nk v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.04s
[INFO] running `Command { std: "docker" "inspect" "8e1d7379ee1542eea55a629a6fd0989682a9e0518a84ae4b95c0b6fe310f7e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e1d7379ee1542eea55a629a6fd0989682a9e0518a84ae4b95c0b6fe310f7e4e", kill_on_drop: false }`
[INFO] [stdout] 8e1d7379ee1542eea55a629a6fd0989682a9e0518a84ae4b95c0b6fe310f7e4e