[INFO] fetching crate ninja-files-tar 0.1.0...
[INFO] checking ninja-files-tar-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate ninja-files-tar 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ninja-files-tar 0.1.0 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 ninja-files-tar 0.1.0
[INFO] finished tweaking crates.io crate ninja-files-tar 0.1.0
[INFO] tweaked toml for crates.io crate ninja-files-tar 0.1.0 written to /workspace/builds/worker-4-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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ninja-files-data v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 52e54c08c34782687d63d189507a61d21f8d413191548d46e22f3117e8e00650
[INFO] running `Command { std: "docker" "start" "-a" "52e54c08c34782687d63d189507a61d21f8d413191548d46e22f3117e8e00650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52e54c08c34782687d63d189507a61d21f8d413191548d46e22f3117e8e00650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52e54c08c34782687d63d189507a61d21f8d413191548d46e22f3117e8e00650", kill_on_drop: false }`
[INFO] [stdout] 52e54c08c34782687d63d189507a61d21f8d413191548d46e22f3117e8e00650
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4415afed8bfea65f2155e45b5c45df1e2733c552b581aeda3e849ca6d2b3c66b
[INFO] running `Command { std: "docker" "start" "-a" "4415afed8bfea65f2155e45b5c45df1e2733c552b581aeda3e849ca6d2b3c66b", kill_on_drop: false }`
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]     Checking bumpalo v3.15.4
[INFO] [stderr]     Checking ninja-files-data v0.1.0
[INFO] [stderr]     Checking ninja-files-tar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "4415afed8bfea65f2155e45b5c45df1e2733c552b581aeda3e849ca6d2b3c66b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4415afed8bfea65f2155e45b5c45df1e2733c552b581aeda3e849ca6d2b3c66b", kill_on_drop: false }`
[INFO] [stdout] 4415afed8bfea65f2155e45b5c45df1e2733c552b581aeda3e849ca6d2b3c66b
[INFO] checking ninja-files-tar-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate ninja-files-tar 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate ninja-files-tar 0.1.0 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 ninja-files-tar 0.1.0
[INFO] finished tweaking crates.io crate ninja-files-tar 0.1.0
[INFO] tweaked toml for crates.io crate ninja-files-tar 0.1.0 written to /workspace/builds/worker-4-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] [stderr]     Updating crates.io index
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 22d9b534445942f81c1f9e98d749fa6e2e0c39885ece717019b79dc890e3dcd2
[INFO] running `Command { std: "docker" "start" "-a" "22d9b534445942f81c1f9e98d749fa6e2e0c39885ece717019b79dc890e3dcd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22d9b534445942f81c1f9e98d749fa6e2e0c39885ece717019b79dc890e3dcd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22d9b534445942f81c1f9e98d749fa6e2e0c39885ece717019b79dc890e3dcd2", kill_on_drop: false }`
[INFO] [stdout] 22d9b534445942f81c1f9e98d749fa6e2e0c39885ece717019b79dc890e3dcd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] bae0a8e2cc5e8045b4cbe894ed0fbad202acd7b592286267340cf2ea5115434d
[INFO] running `Command { std: "docker" "start" "-a" "bae0a8e2cc5e8045b4cbe894ed0fbad202acd7b592286267340cf2ea5115434d", kill_on_drop: false }`
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]     Checking bumpalo v3.15.4
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bumpalo-3.15.4/src/collections/str/lossy.rs:82:28
[INFO] [stdout]    |
[INFO] [stdout] 82 |                       () => {{
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 83 | |                         unsafe {
[INFO] [stdout] 84 | |                             let r = Utf8LossyChunk {
[INFO] [stdout] 85 | |                                 valid: str::from_utf8_unchecked(&self.source[0..i_]),
[INFO] [stdout] ...  |
[INFO] [stdout] 90 | |                         }
[INFO] [stdout] 91 | |                     }};
[INFO] [stdout]    | |_____________________^ cannot infer type
[INFO] [stdout] ...
[INFO] [stdout] 97 |                               error!();
[INFO] [stdout]    |                               -------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `error` (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 `bumpalo` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bae0a8e2cc5e8045b4cbe894ed0fbad202acd7b592286267340cf2ea5115434d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bae0a8e2cc5e8045b4cbe894ed0fbad202acd7b592286267340cf2ea5115434d", kill_on_drop: false }`
[INFO] [stdout] bae0a8e2cc5e8045b4cbe894ed0fbad202acd7b592286267340cf2ea5115434d