[INFO] fetching crate structured-logger 1.0.3...
[INFO] checking structured-logger-1.0.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate structured-logger 1.0.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate structured-logger 1.0.3 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 structured-logger 1.0.3
[INFO] finished tweaking crates.io crate structured-logger 1.0.3
[INFO] tweaked toml for crates.io crate structured-logger 1.0.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate structured-logger 1.0.3 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 sval_fmt v2.6.1
[INFO] [stderr]   Downloaded sval_serde v2.6.1
[INFO] [stderr]   Downloaded value-bag-sval2 v1.4.1
[INFO] [stderr]   Downloaded sval_ref v2.6.1
[INFO] [stderr]   Downloaded serde_fmt v1.0.3
[INFO] [stderr]   Downloaded sval_buffer v2.6.1
[INFO] [stderr]   Downloaded sval v2.6.1
[INFO] [stderr]   Downloaded sval_json v2.6.1
[INFO] [stderr]   Downloaded filedescriptor v0.8.2
[INFO] [stderr]   Downloaded gag v1.0.0
[INFO] [stderr]   Downloaded erased-serde v0.3.28
[INFO] [stderr]   Downloaded value-bag-serde1 v1.4.1
[INFO] [stderr]   Downloaded tokio v1.31.0
[INFO] [stderr]   Downloaded sval_dynamic v2.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] cc0f47b76e00d2202ebfe63cc41127fe88f78c6d648da2b0be24c44acfa9c1b6
[INFO] running `Command { std: "docker" "start" "-a" "cc0f47b76e00d2202ebfe63cc41127fe88f78c6d648da2b0be24c44acfa9c1b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc0f47b76e00d2202ebfe63cc41127fe88f78c6d648da2b0be24c44acfa9c1b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc0f47b76e00d2202ebfe63cc41127fe88f78c6d648da2b0be24c44acfa9c1b6", kill_on_drop: false }`
[INFO] [stdout] cc0f47b76e00d2202ebfe63cc41127fe88f78c6d648da2b0be24c44acfa9c1b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 541b6073d88ba3a43965d2fc575712e487d9dfb6c5e72177e20a41569aca87e3
[INFO] running `Command { std: "docker" "start" "-a" "541b6073d88ba3a43965d2fc575712e487d9dfb6c5e72177e20a41569aca87e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling erased-serde v0.3.28
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking lock_api v0.4.10
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]     Checking fastrand v2.0.0
[INFO] [stderr]     Checking tempfile v3.7.1
[INFO] [stderr]     Checking serde_fmt v1.0.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking value-bag-serde1 v1.4.1
[INFO] [stderr]     Checking value-bag v1.4.1
[INFO] [stderr]     Checking tokio v1.31.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking filedescriptor v0.8.2
[INFO] [stderr]     Checking gag v1.0.0
[INFO] [stderr]     Checking structured-logger v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.48s
[INFO] running `Command { std: "docker" "inspect" "541b6073d88ba3a43965d2fc575712e487d9dfb6c5e72177e20a41569aca87e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "541b6073d88ba3a43965d2fc575712e487d9dfb6c5e72177e20a41569aca87e3", kill_on_drop: false }`
[INFO] [stdout] 541b6073d88ba3a43965d2fc575712e487d9dfb6c5e72177e20a41569aca87e3
[INFO] checking structured-logger-1.0.3 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate structured-logger 1.0.3 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate structured-logger 1.0.3 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 structured-logger 1.0.3
[INFO] finished tweaking crates.io crate structured-logger 1.0.3
[INFO] tweaked toml for crates.io crate structured-logger 1.0.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate structured-logger 1.0.3 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 881623f9d5b24a028e6d7c8f34de684d64a347f81f2d89845a2e6f53a8109b0f
[INFO] running `Command { std: "docker" "start" "-a" "881623f9d5b24a028e6d7c8f34de684d64a347f81f2d89845a2e6f53a8109b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "881623f9d5b24a028e6d7c8f34de684d64a347f81f2d89845a2e6f53a8109b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "881623f9d5b24a028e6d7c8f34de684d64a347f81f2d89845a2e6f53a8109b0f", kill_on_drop: false }`
[INFO] [stdout] 881623f9d5b24a028e6d7c8f34de684d64a347f81f2d89845a2e6f53a8109b0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] eb41ff28b6b87ffa93185cf831b834907500c7950594ce8dbca3d453b9029c59
[INFO] running `Command { std: "docker" "start" "-a" "eb41ff28b6b87ffa93185cf831b834907500c7950594ce8dbca3d453b9029c59", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling erased-serde v0.3.28
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_derive-1.0.183/src/lib_precompiled.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         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" "eb41ff28b6b87ffa93185cf831b834907500c7950594ce8dbca3d453b9029c59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb41ff28b6b87ffa93185cf831b834907500c7950594ce8dbca3d453b9029c59", kill_on_drop: false }`
[INFO] [stdout] eb41ff28b6b87ffa93185cf831b834907500c7950594ce8dbca3d453b9029c59