[INFO] fetching crate cafebabe 0.6.1...
[INFO] checking cafebabe-0.6.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate cafebabe 0.6.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate cafebabe 0.6.1 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 cafebabe 0.6.1
[INFO] finished tweaking crates.io crate cafebabe 0.6.1
[INFO] tweaked toml for crates.io crate cafebabe 0.6.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate cafebabe 0.6.1 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1dbfb5c5a19f2ca2a757193266b89d49007d7d2cce5fe89d8ca8814e8ebb7b6a
[INFO] running `Command { std: "docker" "start" "-a" "1dbfb5c5a19f2ca2a757193266b89d49007d7d2cce5fe89d8ca8814e8ebb7b6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dbfb5c5a19f2ca2a757193266b89d49007d7d2cce5fe89d8ca8814e8ebb7b6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dbfb5c5a19f2ca2a757193266b89d49007d7d2cce5fe89d8ca8814e8ebb7b6a", kill_on_drop: false }`
[INFO] [stdout] 1dbfb5c5a19f2ca2a757193266b89d49007d7d2cce5fe89d8ca8814e8ebb7b6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6e4a0eec95ec6d3abcf320f5e97ca05274dd142c0037017e92c605dec06a4635
[INFO] running `Command { std: "docker" "start" "-a" "6e4a0eec95ec6d3abcf320f5e97ca05274dd142c0037017e92c605dec06a4635", kill_on_drop: false }`
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking cafebabe v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "6e4a0eec95ec6d3abcf320f5e97ca05274dd142c0037017e92c605dec06a4635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e4a0eec95ec6d3abcf320f5e97ca05274dd142c0037017e92c605dec06a4635", kill_on_drop: false }`
[INFO] [stdout] 6e4a0eec95ec6d3abcf320f5e97ca05274dd142c0037017e92c605dec06a4635
[INFO] checking cafebabe-0.6.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate cafebabe 0.6.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate cafebabe 0.6.1 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 cafebabe 0.6.1
[INFO] finished tweaking crates.io crate cafebabe 0.6.1
[INFO] tweaked toml for crates.io crate cafebabe 0.6.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate cafebabe 0.6.1 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a09ffa0754b910e8e6b4585747224c16e33eeae3b9e7c6a2a83d8724ad1e4eae
[INFO] running `Command { std: "docker" "start" "-a" "a09ffa0754b910e8e6b4585747224c16e33eeae3b9e7c6a2a83d8724ad1e4eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a09ffa0754b910e8e6b4585747224c16e33eeae3b9e7c6a2a83d8724ad1e4eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a09ffa0754b910e8e6b4585747224c16e33eeae3b9e7c6a2a83d8724ad1e4eae", kill_on_drop: false }`
[INFO] [stdout] a09ffa0754b910e8e6b4585747224c16e33eeae3b9e7c6a2a83d8724ad1e4eae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c14939ac99046a769a816a8be172f87ae136756888642236f1bf9c10c8a79de6
[INFO] running `Command { std: "docker" "start" "-a" "c14939ac99046a769a816a8be172f87ae136756888642236f1bf9c10c8a79de6", kill_on_drop: false }`
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking cafebabe v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/names.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 | /         match consume_unqualified_segment(chars) {
[INFO] [stdout] 76 | |             None => return false,
[INFO] [stdout] 77 | |             Some(';') => return true,
[INFO] [stdout] 78 | |             Some('/') => continue,
[INFO] [stdout] 79 | |             _ => panic!("Got unexpected return value from consume_unqualified_segment"),
[INFO] [stdout] 80 | |         };
[INFO] [stdout]    | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/names.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 | /         match consume_unqualified_segment(chars) {
[INFO] [stdout] 76 | |             None => return false,
[INFO] [stdout] 77 | |             Some(';') => return true,
[INFO] [stdout] 78 | |             Some('/') => continue,
[INFO] [stdout] 79 | |             _ => panic!("Got unexpected return value from consume_unqualified_segment"),
[INFO] [stdout] 80 | |         };
[INFO] [stdout]    | |_________^ cannot infer type
[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 `cafebabe` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `cafebabe` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c14939ac99046a769a816a8be172f87ae136756888642236f1bf9c10c8a79de6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c14939ac99046a769a816a8be172f87ae136756888642236f1bf9c10c8a79de6", kill_on_drop: false }`
[INFO] [stdout] c14939ac99046a769a816a8be172f87ae136756888642236f1bf9c10c8a79de6