[INFO] fetching crate die-exit 0.4.0...
[INFO] checking die-exit-0.4.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate die-exit 0.4.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate die-exit 0.4.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate die-exit 0.4.0
[INFO] finished tweaking crates.io crate die-exit 0.4.0
[INFO] tweaked toml for crates.io crate die-exit 0.4.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3aed0d483c1223515cfe71b7d29a9bce7e170676dc1e00b93adee51aa842007f
[INFO] running `Command { std: "docker" "start" "-a" "3aed0d483c1223515cfe71b7d29a9bce7e170676dc1e00b93adee51aa842007f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3aed0d483c1223515cfe71b7d29a9bce7e170676dc1e00b93adee51aa842007f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aed0d483c1223515cfe71b7d29a9bce7e170676dc1e00b93adee51aa842007f", kill_on_drop: false }`
[INFO] [stdout] 3aed0d483c1223515cfe71b7d29a9bce7e170676dc1e00b93adee51aa842007f
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dd6546525f11c20506d4a62ff16a8fdf977d2625ed6d640f9086d8cf5639249
[INFO] running `Command { std: "docker" "start" "-a" "8dd6546525f11c20506d4a62ff16a8fdf977d2625ed6d640f9086d8cf5639249", kill_on_drop: false }`
[INFO] [stderr]     Checking die-exit v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "8dd6546525f11c20506d4a62ff16a8fdf977d2625ed6d640f9086d8cf5639249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dd6546525f11c20506d4a62ff16a8fdf977d2625ed6d640f9086d8cf5639249", kill_on_drop: false }`
[INFO] [stdout] 8dd6546525f11c20506d4a62ff16a8fdf977d2625ed6d640f9086d8cf5639249
[INFO] checking die-exit-0.4.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate die-exit 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate die-exit 0.4.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate die-exit 0.4.0
[INFO] finished tweaking crates.io crate die-exit 0.4.0
[INFO] tweaked toml for crates.io crate die-exit 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e8b8a72df728c8d5d286a09e434a6a29b310444b34fa238640f1ce0ee0c2c79
[INFO] running `Command { std: "docker" "start" "-a" "6e8b8a72df728c8d5d286a09e434a6a29b310444b34fa238640f1ce0ee0c2c79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e8b8a72df728c8d5d286a09e434a6a29b310444b34fa238640f1ce0ee0c2c79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e8b8a72df728c8d5d286a09e434a6a29b310444b34fa238640f1ce0ee0c2c79", kill_on_drop: false }`
[INFO] [stdout] 6e8b8a72df728c8d5d286a09e434a6a29b310444b34fa238640f1ce0ee0c2c79
[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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51a430ea77f527d1ed6362cee98f44dc658598a60831b166ca70e74e1cab9c8f
[INFO] running `Command { std: "docker" "start" "-a" "51a430ea77f527d1ed6362cee98f44dc658598a60831b166ca70e74e1cab9c8f", kill_on_drop: false }`
[INFO] [stderr]     Checking die-exit v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]  --> tests/integration_test.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     die!("Escape invalid character: '{}'", '_'; 42);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `die` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `die-exit` (test "integration_test") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "51a430ea77f527d1ed6362cee98f44dc658598a60831b166ca70e74e1cab9c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51a430ea77f527d1ed6362cee98f44dc658598a60831b166ca70e74e1cab9c8f", kill_on_drop: false }`
[INFO] [stdout] 51a430ea77f527d1ed6362cee98f44dc658598a60831b166ca70e74e1cab9c8f