[INFO] fetching crate quickenv 0.3.10...
[INFO] checking quickenv-0.3.10 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate quickenv 0.3.10 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate quickenv 0.3.10 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 quickenv 0.3.10
[INFO] finished tweaking crates.io crate quickenv 0.3.10
[INFO] tweaked toml for crates.io crate quickenv 0.3.10 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate quickenv 0.3.10 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 which v4.2.5
[INFO] [stderr]   Downloaded console v0.15.1
[INFO] [stderr]   Downloaded exec v0.3.1
[INFO] [stderr]   Downloaded term_grid v0.1.7
[INFO] [stderr]   Downloaded ctrlc v3.2.2
[INFO] [stderr]   Downloaded serde v1.0.139
[INFO] [stderr]   Downloaded insta-cmd v0.2.0
[INFO] [stderr]   Downloaded anyhow v1.0.58
[INFO] [stderr]   Downloaded crypto-common v0.1.5
[INFO] [stderr]   Downloaded hashbrown v0.12.2
[INFO] [stderr]   Downloaded serde_derive v1.0.139
[INFO] [stderr]   Downloaded insta v1.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1f5caeeaa8c8cc805c4559357d195df851bbd63cee0d46c2ed07ed6d9c45521b
[INFO] running `Command { std: "docker" "start" "-a" "1f5caeeaa8c8cc805c4559357d195df851bbd63cee0d46c2ed07ed6d9c45521b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f5caeeaa8c8cc805c4559357d195df851bbd63cee0d46c2ed07ed6d9c45521b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f5caeeaa8c8cc805c4559357d195df851bbd63cee0d46c2ed07ed6d9c45521b", kill_on_drop: false }`
[INFO] [stdout] 1f5caeeaa8c8cc805c4559357d195df851bbd63cee0d46c2ed07ed6d9c45521b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] fe6d4070126c0d76367dbdaf5362cdde7ee69a38c8e5cea25ef446e77a4a4145
[INFO] running `Command { std: "docker" "start" "-a" "fe6d4070126c0d76367dbdaf5362cdde7ee69a38c8e5cea25ef446e77a4a4145", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.139
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling blake3 v1.3.1
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking hashbrown v0.12.2
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking crypto-common v0.1.5
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking similar v2.1.0
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking term_grid v0.1.7
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking nix v0.24.2
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking which v4.2.5
[INFO] [stderr]     Checking console v0.15.1
[INFO] [stderr]     Checking exec v0.3.1
[INFO] [stderr]     Checking dialoguer v0.10.1
[INFO] [stderr]     Checking ctrlc v3.2.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking quickenv v0.3.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking insta v1.18.0
[INFO] [stderr]     Checking insta-cmd v0.2.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.76s
[INFO] running `Command { std: "docker" "inspect" "fe6d4070126c0d76367dbdaf5362cdde7ee69a38c8e5cea25ef446e77a4a4145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe6d4070126c0d76367dbdaf5362cdde7ee69a38c8e5cea25ef446e77a4a4145", kill_on_drop: false }`
[INFO] [stdout] fe6d4070126c0d76367dbdaf5362cdde7ee69a38c8e5cea25ef446e77a4a4145
[INFO] checking quickenv-0.3.10 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate quickenv 0.3.10 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate quickenv 0.3.10 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 quickenv 0.3.10
[INFO] finished tweaking crates.io crate quickenv 0.3.10
[INFO] tweaked toml for crates.io crate quickenv 0.3.10 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate quickenv 0.3.10 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4bf16bd92b527bb814e28310a9bb9fdd2ced13ac90518d72b6cc91845fa6ecde
[INFO] running `Command { std: "docker" "start" "-a" "4bf16bd92b527bb814e28310a9bb9fdd2ced13ac90518d72b6cc91845fa6ecde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bf16bd92b527bb814e28310a9bb9fdd2ced13ac90518d72b6cc91845fa6ecde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bf16bd92b527bb814e28310a9bb9fdd2ced13ac90518d72b6cc91845fa6ecde", kill_on_drop: false }`
[INFO] [stdout] 4bf16bd92b527bb814e28310a9bb9fdd2ced13ac90518d72b6cc91845fa6ecde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] db3a54996ad5e23035596abbadd6ecd532951fa8168b2074d092d15431ec29b1
[INFO] running `Command { std: "docker" "start" "-a" "db3a54996ad5e23035596abbadd6ecd532951fa8168b2074d092d15431ec29b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.139
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling blake3 v1.3.1
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]     Checking hashbrown v0.12.2
[INFO] [stderr]     Checking crypto-common v0.1.5
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking similar v2.1.0
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking term_grid v0.1.7
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking nix v0.24.2
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking which v4.2.5
[INFO] [stderr]     Checking console v0.15.1
[INFO] [stderr]     Checking exec v0.3.1
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking dialoguer v0.10.1
[INFO] [stderr]     Checking ctrlc v3.2.2
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking quickenv v0.3.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking insta v1.18.0
[INFO] [stderr]     Checking insta-cmd v0.2.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.06s
[INFO] running `Command { std: "docker" "inspect" "db3a54996ad5e23035596abbadd6ecd532951fa8168b2074d092d15431ec29b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db3a54996ad5e23035596abbadd6ecd532951fa8168b2074d092d15431ec29b1", kill_on_drop: false }`
[INFO] [stdout] db3a54996ad5e23035596abbadd6ecd532951fa8168b2074d092d15431ec29b1