[INFO] cloning repository https://github.com/needlesslygrim/yabw
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/needlesslygrim/yabw" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneedlesslygrim%2Fyabw", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneedlesslygrim%2Fyabw'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c98a0ccd1354a666e6cfd32ebcf9bd655cc9d353
[INFO] checking needlesslygrim/yabw against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneedlesslygrim%2Fyabw" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/needlesslygrim/yabw 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 git repo https://github.com/needlesslygrim/yabw
[INFO] finished tweaking git repo https://github.com/needlesslygrim/yabw
[INFO] tweaked toml for git repo https://github.com/needlesslygrim/yabw written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/needlesslygrim/yabw 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-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] 211fdb8b7092ec51c4bb165fb5bba522d5b7fdc54a40485eb11e54e9d2a0b3a8
[INFO] running `Command { std: "docker" "start" "-a" "211fdb8b7092ec51c4bb165fb5bba522d5b7fdc54a40485eb11e54e9d2a0b3a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "211fdb8b7092ec51c4bb165fb5bba522d5b7fdc54a40485eb11e54e9d2a0b3a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "211fdb8b7092ec51c4bb165fb5bba522d5b7fdc54a40485eb11e54e9d2a0b3a8", kill_on_drop: false }`
[INFO] [stdout] 211fdb8b7092ec51c4bb165fb5bba522d5b7fdc54a40485eb11e54e9d2a0b3a8
[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] 96c4587504e008cd9b7678ce7648d55878d534327ff462e9adc94dd7cc5ea694
[INFO] running `Command { std: "docker" "start" "-a" "96c4587504e008cd9b7678ce7648d55878d534327ff462e9adc94dd7cc5ea694", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling rustix v0.38.7
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]    Compiling serde v1.0.174
[INFO] [stderr]    Compiling serde_json v1.0.103
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking fastrand v2.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.174
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking zeroize v1.6.0
[INFO] [stderr]     Checking shell-words v1.1.0
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking directories v5.0.1
[INFO] [stderr]     Checking tempfile v3.7.1
[INFO] [stderr]     Checking dialoguer v0.10.4
[INFO] [stderr]     Checking yabw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ParseMediaTypeError` is never constructed
[INFO] [stdout]    --> src/lib.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | struct ParseMediaTypeError;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParseMediaTypeError` is never constructed
[INFO] [stdout]    --> src/lib.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | struct ParseMediaTypeError;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `Command { std: "docker" "inspect" "96c4587504e008cd9b7678ce7648d55878d534327ff462e9adc94dd7cc5ea694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96c4587504e008cd9b7678ce7648d55878d534327ff462e9adc94dd7cc5ea694", kill_on_drop: false }`
[INFO] [stdout] 96c4587504e008cd9b7678ce7648d55878d534327ff462e9adc94dd7cc5ea694
[INFO] checking needlesslygrim/yabw against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneedlesslygrim%2Fyabw" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/needlesslygrim/yabw 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 git repo https://github.com/needlesslygrim/yabw
[INFO] finished tweaking git repo https://github.com/needlesslygrim/yabw
[INFO] tweaked toml for git repo https://github.com/needlesslygrim/yabw written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/needlesslygrim/yabw 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-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] ad2a5e2cf051e3fdad7b657f6628083860cd1198fbcf76757cdfc6b3fa121000
[INFO] running `Command { std: "docker" "start" "-a" "ad2a5e2cf051e3fdad7b657f6628083860cd1198fbcf76757cdfc6b3fa121000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad2a5e2cf051e3fdad7b657f6628083860cd1198fbcf76757cdfc6b3fa121000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad2a5e2cf051e3fdad7b657f6628083860cd1198fbcf76757cdfc6b3fa121000", kill_on_drop: false }`
[INFO] [stdout] ad2a5e2cf051e3fdad7b657f6628083860cd1198fbcf76757cdfc6b3fa121000
[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] 6ea62d79b48b7bd6aa93f6ef8484a87bbbf3c69ca5f75bf5e7ff79c88ba3a6fc
[INFO] running `Command { std: "docker" "start" "-a" "6ea62d79b48b7bd6aa93f6ef8484a87bbbf3c69ca5f75bf5e7ff79c88ba3a6fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling rustix v0.38.7
[INFO] [stderr]    Compiling serde v1.0.174
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking fastrand v2.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.174
[INFO] [stderr]    Compiling serde_json v1.0.103
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_derive-1.0.174/src/lib_precompiled.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         panic!();
[INFO] [stdout]    |         ^^^^^^^^ cannot infer type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (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 `serde_derive` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6ea62d79b48b7bd6aa93f6ef8484a87bbbf3c69ca5f75bf5e7ff79c88ba3a6fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea62d79b48b7bd6aa93f6ef8484a87bbbf3c69ca5f75bf5e7ff79c88ba3a6fc", kill_on_drop: false }`
[INFO] [stdout] 6ea62d79b48b7bd6aa93f6ef8484a87bbbf3c69ca5f75bf5e7ff79c88ba3a6fc