[INFO] fetching crate dia-args 0.59.6...
[INFO] checking dia-args-0.59.6 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate dia-args 0.59.6 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate dia-args 0.59.6 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 dia-args 0.59.6
[INFO] finished tweaking crates.io crate dia-args 0.59.6
[INFO] tweaked toml for crates.io crate dia-args 0.59.6 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate dia-args 0.59.6 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dia-time v7.0.0
[INFO] [stderr]   Downloaded debt64 v9.0.0
[INFO] [stderr]   Downloaded dia-files v0.17.6
[INFO] [stderr]   Downloaded zeros v16.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4d64aeeb468b7797e57c23d3788737743aac05edb897215627792d51b3ee5ad6
[INFO] running `Command { std: "docker" "start" "-a" "4d64aeeb468b7797e57c23d3788737743aac05edb897215627792d51b3ee5ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d64aeeb468b7797e57c23d3788737743aac05edb897215627792d51b3ee5ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d64aeeb468b7797e57c23d3788737743aac05edb897215627792d51b3ee5ad6", kill_on_drop: false }`
[INFO] [stdout] 4d64aeeb468b7797e57c23d3788737743aac05edb897215627792d51b3ee5ad6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] efe09cc546f9fbef2048c357613f0084fdf5ab90269e2e716295b5ca7a93b3b4
[INFO] running `Command { std: "docker" "start" "-a" "efe09cc546f9fbef2048c357613f0084fdf5ab90269e2e716295b5ca7a93b3b4", kill_on_drop: false }`
[INFO] [stderr]     Checking dia-args v0.59.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "efe09cc546f9fbef2048c357613f0084fdf5ab90269e2e716295b5ca7a93b3b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efe09cc546f9fbef2048c357613f0084fdf5ab90269e2e716295b5ca7a93b3b4", kill_on_drop: false }`
[INFO] [stdout] efe09cc546f9fbef2048c357613f0084fdf5ab90269e2e716295b5ca7a93b3b4
[INFO] checking dia-args-0.59.6 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate dia-args 0.59.6 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate dia-args 0.59.6 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 dia-args 0.59.6
[INFO] finished tweaking crates.io crate dia-args 0.59.6
[INFO] tweaked toml for crates.io crate dia-args 0.59.6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate dia-args 0.59.6 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ea2e7ea4e200b40abee767a73adf42fbc99ada71b19e480c1c6513d61f9187cf
[INFO] running `Command { std: "docker" "start" "-a" "ea2e7ea4e200b40abee767a73adf42fbc99ada71b19e480c1c6513d61f9187cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea2e7ea4e200b40abee767a73adf42fbc99ada71b19e480c1c6513d61f9187cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea2e7ea4e200b40abee767a73adf42fbc99ada71b19e480c1c6513d61f9187cf", kill_on_drop: false }`
[INFO] [stdout] ea2e7ea4e200b40abee767a73adf42fbc99ada71b19e480c1c6513d61f9187cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e135bb0d69e1f66f92b252a09732756501daf0d880a35f787ae5d1a95882c855
[INFO] running `Command { std: "docker" "start" "-a" "e135bb0d69e1f66f92b252a09732756501daf0d880a35f787ae5d1a95882c855", kill_on_drop: false }`
[INFO] [stderr]     Checking dia-args v0.59.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> src/args.rs:793:24
[INFO] [stdout]     |
[INFO] [stdout] 793 |                   '=' => match index {
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 794 | |                     0 => return Err(Error::new(ErrorKind::InvalidData, format!("Invalid long option: {:?}", &s))),
[INFO] [stdout] 795 | |                     _ => return Ok(ArgKind::LongOptionWithValue),
[INFO] [stdout] 796 | |                 },
[INFO] [stdout]     | |_________________^ cannot satisfy `_ -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> src/args.rs:793:24
[INFO] [stdout]     |
[INFO] [stdout] 793 |                   '=' => match index {
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 794 | |                     0 => return Err(Error::new(ErrorKind::InvalidData, format!("Invalid long option: {:?}", &s))),
[INFO] [stdout] 795 | |                     _ => return Ok(ArgKind::LongOptionWithValue),
[INFO] [stdout] 796 | |                 },
[INFO] [stdout]     | |_________________^ cannot satisfy `_ -> _`
[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 E0284`.
[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 E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dia-args` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `dia-args` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e135bb0d69e1f66f92b252a09732756501daf0d880a35f787ae5d1a95882c855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e135bb0d69e1f66f92b252a09732756501daf0d880a35f787ae5d1a95882c855", kill_on_drop: false }`
[INFO] [stdout] e135bb0d69e1f66f92b252a09732756501daf0d880a35f787ae5d1a95882c855