[INFO] fetching crate ic-logger 0.1.0...
[INFO] checking ic-logger-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate ic-logger 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate ic-logger 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 ic-logger 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ic-logger 0.1.0
[INFO] tweaked toml for crates.io crate ic-logger 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate ic-logger 0.1.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded candid_derive v0.6.2
[INFO] [stderr]   Downloaded pretty v0.12.1
[INFO] [stderr]   Downloaded serde_bytes v0.11.12
[INFO] [stderr]   Downloaded candid v0.9.2
[INFO] [stderr]   Downloaded serde v1.0.177
[INFO] [stderr]   Downloaded serde_derive v1.0.177
[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] d43b37115c8c9a459721fa346ae60d6a3df034fe27ad9d580cda91081d037b44
[INFO] running `Command { std: "docker" "start" "-a" "d43b37115c8c9a459721fa346ae60d6a3df034fe27ad9d580cda91081d037b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d43b37115c8c9a459721fa346ae60d6a3df034fe27ad9d580cda91081d037b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d43b37115c8c9a459721fa346ae60d6a3df034fe27ad9d580cda91081d037b44", kill_on_drop: false }`
[INFO] [stdout] d43b37115c8c9a459721fa346ae60d6a3df034fe27ad9d580cda91081d037b44
[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] cbc556620c6c46c1570c1d556c7fc27a3e8cebc2d0377e66e9fce64cda051ad2
[INFO] running `Command { std: "docker" "start" "-a" "cbc556620c6c46c1570c1d556c7fc27a3e8cebc2d0377e66e9fce64cda051ad2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.177
[INFO] [stderr]    Compiling serde_derive v1.0.177
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]    Compiling winnow v0.5.1
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]    Compiling candid v0.9.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling toml_edit v0.19.14
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling cpufeatures v0.2.9
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling pretty v0.12.1
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling sha2 v0.10.7
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling data-encoding v2.4.0
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling serde_bytes v0.11.12
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling serde_tokenstream v0.1.7
[INFO] [stderr]     Checking ic0 v0.18.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling candid_derive v0.6.2
[INFO] [stderr]    Compiling num_enum_derive v0.6.1
[INFO] [stderr]    Compiling binread_derive v2.1.0
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling num_enum v0.6.1
[INFO] [stderr]    Compiling binread v2.2.0
[INFO] [stderr]    Compiling ic-cdk-macros v0.7.1
[INFO] [stderr]     Checking ic-cdk v0.10.0
[INFO] [stderr]     Checking ic-logger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.53s
[INFO] running `Command { std: "docker" "inspect" "cbc556620c6c46c1570c1d556c7fc27a3e8cebc2d0377e66e9fce64cda051ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc556620c6c46c1570c1d556c7fc27a3e8cebc2d0377e66e9fce64cda051ad2", kill_on_drop: false }`
[INFO] [stdout] cbc556620c6c46c1570c1d556c7fc27a3e8cebc2d0377e66e9fce64cda051ad2
[INFO] checking ic-logger-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate ic-logger 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate ic-logger 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 ic-logger 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ic-logger 0.1.0
[INFO] tweaked toml for crates.io crate ic-logger 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate ic-logger 0.1.0 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] 4bac3fec96b6f427863f0643f555254e20c178229b628632423d9c0d030a5a34
[INFO] running `Command { std: "docker" "start" "-a" "4bac3fec96b6f427863f0643f555254e20c178229b628632423d9c0d030a5a34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bac3fec96b6f427863f0643f555254e20c178229b628632423d9c0d030a5a34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bac3fec96b6f427863f0643f555254e20c178229b628632423d9c0d030a5a34", kill_on_drop: false }`
[INFO] [stdout] 4bac3fec96b6f427863f0643f555254e20c178229b628632423d9c0d030a5a34
[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] c2b6d84200e446198657699bffe5a0018a3f67e199ff719eb0fae069f2f576d4
[INFO] running `Command { std: "docker" "start" "-a" "c2b6d84200e446198657699bffe5a0018a3f67e199ff719eb0fae069f2f576d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.177
[INFO] [stderr]    Compiling serde_derive v1.0.177
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_derive-1.0.177/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" "c2b6d84200e446198657699bffe5a0018a3f67e199ff719eb0fae069f2f576d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2b6d84200e446198657699bffe5a0018a3f67e199ff719eb0fae069f2f576d4", kill_on_drop: false }`
[INFO] [stdout] c2b6d84200e446198657699bffe5a0018a3f67e199ff719eb0fae069f2f576d4