[INFO] fetching crate teetty 0.3.1...
[INFO] checking teetty-0.3.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate teetty 0.3.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate teetty 0.3.1 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 teetty 0.3.1
[INFO] finished tweaking crates.io crate teetty 0.3.1
[INFO] tweaked toml for crates.io crate teetty 0.3.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate teetty 0.3.1 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 tty-spawn v0.3.1
[INFO] [stderr]   Downloaded terminal_size v0.2.3
[INFO] [stderr]   Downloaded os_str_bytes v6.4.1
[INFO] [stderr]   Downloaded io-lifetimes v1.0.3
[INFO] [stderr]   Downloaded console v0.15.3
[INFO] [stderr]   Downloaded cc v1.0.78
[INFO] [stderr]   Downloaded nix v0.26.1
[INFO] [stderr]   Downloaded rustix v0.36.6
[INFO] [stderr]   Downloaded insta v1.23.0
[INFO] [stderr]   Downloaded libc v0.2.138
[INFO] [stderr]   Downloaded clap v4.0.30
[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] 97b0bb5420792e9f9dd571789cf41bf77b25794e407ca86594836d1574295eeb
[INFO] running `Command { std: "docker" "start" "-a" "97b0bb5420792e9f9dd571789cf41bf77b25794e407ca86594836d1574295eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97b0bb5420792e9f9dd571789cf41bf77b25794e407ca86594836d1574295eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97b0bb5420792e9f9dd571789cf41bf77b25794e407ca86594836d1574295eeb", kill_on_drop: false }`
[INFO] [stdout] 97b0bb5420792e9f9dd571789cf41bf77b25794e407ca86594836d1574295eeb
[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] 9d33138cd23a1417297f8463fd683c77c379c9265e3f7c64b4e2cb724a2c9972
[INFO] running `Command { std: "docker" "start" "-a" "9d33138cd23a1417297f8463fd683c77c379c9265e3f7c64b4e2cb724a2c9972", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]    Compiling rustix v0.36.6
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking similar v2.2.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking clap_lex v0.3.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking nix v0.26.1
[INFO] [stderr]     Checking console v0.15.3
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking insta v1.23.0
[INFO] [stderr]     Checking terminal_size v0.2.3
[INFO] [stderr]     Checking clap v4.0.30
[INFO] [stderr]     Checking tty-spawn v0.3.1
[INFO] [stderr]     Checking teetty v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.22s
[INFO] running `Command { std: "docker" "inspect" "9d33138cd23a1417297f8463fd683c77c379c9265e3f7c64b4e2cb724a2c9972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d33138cd23a1417297f8463fd683c77c379c9265e3f7c64b4e2cb724a2c9972", kill_on_drop: false }`
[INFO] [stdout] 9d33138cd23a1417297f8463fd683c77c379c9265e3f7c64b4e2cb724a2c9972
[INFO] checking teetty-0.3.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate teetty 0.3.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate teetty 0.3.1 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 teetty 0.3.1
[INFO] finished tweaking crates.io crate teetty 0.3.1
[INFO] tweaked toml for crates.io crate teetty 0.3.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate teetty 0.3.1 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] 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] d92f9e5bdb76cb73b14a7db16f63807a9dad47887e90e15d1a121ec8faae000f
[INFO] running `Command { std: "docker" "start" "-a" "d92f9e5bdb76cb73b14a7db16f63807a9dad47887e90e15d1a121ec8faae000f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d92f9e5bdb76cb73b14a7db16f63807a9dad47887e90e15d1a121ec8faae000f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d92f9e5bdb76cb73b14a7db16f63807a9dad47887e90e15d1a121ec8faae000f", kill_on_drop: false }`
[INFO] [stdout] d92f9e5bdb76cb73b14a7db16f63807a9dad47887e90e15d1a121ec8faae000f
[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] 68dd5bab64b456a26f0f4867ad9b688d2dbeff006a8c2206f4397530aa40868a
[INFO] running `Command { std: "docker" "start" "-a" "68dd5bab64b456a26f0f4867ad9b688d2dbeff006a8c2206f4397530aa40868a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]    Compiling rustix v0.36.6
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking similar v2.2.1
[INFO] [stderr]     Checking clap_lex v0.3.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking nix v0.26.1
[INFO] [stderr]     Checking console v0.15.3
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking insta v1.23.0
[INFO] [stderr]     Checking terminal_size v0.2.3
[INFO] [stderr]     Checking clap v4.0.30
[INFO] [stderr]     Checking tty-spawn v0.3.1
[INFO] [stderr]     Checking teetty v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.34s
[INFO] running `Command { std: "docker" "inspect" "68dd5bab64b456a26f0f4867ad9b688d2dbeff006a8c2206f4397530aa40868a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68dd5bab64b456a26f0f4867ad9b688d2dbeff006a8c2206f4397530aa40868a", kill_on_drop: false }`
[INFO] [stdout] 68dd5bab64b456a26f0f4867ad9b688d2dbeff006a8c2206f4397530aa40868a