[INFO] fetching crate swapvec 0.4.2...
[INFO] checking swapvec-0.4.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate swapvec 0.4.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate swapvec 0.4.2 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 swapvec 0.4.2
[INFO] finished tweaking crates.io crate swapvec 0.4.2
[INFO] tweaked toml for crates.io crate swapvec 0.4.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate swapvec 0.4.2 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 errno v0.3.6
[INFO] [stderr]   Downloaded lz4_flex v0.10.0
[INFO] [stderr]   Downloaded serde_derive v1.0.192
[INFO] [stderr]   Downloaded serde v1.0.192
[INFO] [stderr]   Downloaded rustix v0.38.22
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.11
[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] 847a7aa9dd1b2542aa7845a709f466dffa6b392750c5797f510fb757ee6babcf
[INFO] running `Command { std: "docker" "start" "-a" "847a7aa9dd1b2542aa7845a709f466dffa6b392750c5797f510fb757ee6babcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "847a7aa9dd1b2542aa7845a709f466dffa6b392750c5797f510fb757ee6babcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "847a7aa9dd1b2542aa7845a709f466dffa6b392750c5797f510fb757ee6babcf", kill_on_drop: false }`
[INFO] [stdout] 847a7aa9dd1b2542aa7845a709f466dffa6b392750c5797f510fb757ee6babcf
[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] 180c90b5089a0607f5d7d4b4b9f675c6188ba660253fba5f4248df162f70b6a5
[INFO] running `Command { std: "docker" "start" "-a" "180c90b5089a0607f5d7d4b4b9f675c6188ba660253fba5f4248df162f70b6a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.22
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking lz4_flex v0.10.0
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking swapvec v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.03s
[INFO] running `Command { std: "docker" "inspect" "180c90b5089a0607f5d7d4b4b9f675c6188ba660253fba5f4248df162f70b6a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "180c90b5089a0607f5d7d4b4b9f675c6188ba660253fba5f4248df162f70b6a5", kill_on_drop: false }`
[INFO] [stdout] 180c90b5089a0607f5d7d4b4b9f675c6188ba660253fba5f4248df162f70b6a5
[INFO] checking swapvec-0.4.2 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate swapvec 0.4.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate swapvec 0.4.2 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 swapvec 0.4.2
[INFO] finished tweaking crates.io crate swapvec 0.4.2
[INFO] tweaked toml for crates.io crate swapvec 0.4.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate swapvec 0.4.2 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-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] 75a3b5e679c6bae972c398113822449c7560b14a6bb92c66d9cd62d078180d66
[INFO] running `Command { std: "docker" "start" "-a" "75a3b5e679c6bae972c398113822449c7560b14a6bb92c66d9cd62d078180d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75a3b5e679c6bae972c398113822449c7560b14a6bb92c66d9cd62d078180d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75a3b5e679c6bae972c398113822449c7560b14a6bb92c66d9cd62d078180d66", kill_on_drop: false }`
[INFO] [stdout] 75a3b5e679c6bae972c398113822449c7560b14a6bb92c66d9cd62d078180d66
[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] 90c916dc3591e6e228d011f6aaef348a43053079d4504ec88832612fab786dbb
[INFO] running `Command { std: "docker" "start" "-a" "90c916dc3591e6e228d011f6aaef348a43053079d4504ec88832612fab786dbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling rustix v0.38.22
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking lz4_flex v0.10.0
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking swapvec v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.94s
[INFO] running `Command { std: "docker" "inspect" "90c916dc3591e6e228d011f6aaef348a43053079d4504ec88832612fab786dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90c916dc3591e6e228d011f6aaef348a43053079d4504ec88832612fab786dbb", kill_on_drop: false }`
[INFO] [stdout] 90c916dc3591e6e228d011f6aaef348a43053079d4504ec88832612fab786dbb