[INFO] fetching crate cargo-diet 1.2.7...
[INFO] checking cargo-diet-1.2.7 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate cargo-diet 1.2.7 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate cargo-diet 1.2.7 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 cargo-diet 1.2.7
[INFO] finished tweaking crates.io crate cargo-diet 1.2.7
[INFO] tweaked toml for crates.io crate cargo-diet 1.2.7 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-diet 1.2.7 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 criner-waste-report v0.1.5
[INFO] [stderr]   Downloaded locate-cargo-manifest v0.2.2
[INFO] [stderr]   Downloaded termsize v0.1.6
[INFO] [stderr]   Downloaded serde v1.0.175
[INFO] [stderr]   Downloaded globset v0.4.11
[INFO] [stderr]   Downloaded argh_shared v0.1.10
[INFO] [stderr]   Downloaded tar v0.4.39
[INFO] [stderr]   Downloaded utf8-width v0.1.6
[INFO] [stderr]   Downloaded argh_derive v0.1.10
[INFO] [stderr]   Downloaded argh v0.1.10
[INFO] [stderr]   Downloaded ascii_table v4.0.2
[INFO] [stderr]   Downloaded byte-unit v4.0.19
[INFO] [stderr]   Downloaded serde_derive v1.0.175
[INFO] [stderr]   Downloaded bytesize v1.2.0
[INFO] [stderr]   Downloaded quick-error v2.0.1
[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] 6d9e0b0b677d6d9125a1fe25a47ad4a82d6ce41bab012dd50b49aa52564dd828
[INFO] running `Command { std: "docker" "start" "-a" "6d9e0b0b677d6d9125a1fe25a47ad4a82d6ce41bab012dd50b49aa52564dd828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d9e0b0b677d6d9125a1fe25a47ad4a82d6ce41bab012dd50b49aa52564dd828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d9e0b0b677d6d9125a1fe25a47ad4a82d6ce41bab012dd50b49aa52564dd828", kill_on_drop: false }`
[INFO] [stdout] 6d9e0b0b677d6d9125a1fe25a47ad4a82d6ce41bab012dd50b49aa52564dd828
[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] bbb6ced115452000b22c578d7b2c2716709be6b1181d1b75a315cc9307216716
[INFO] running `Command { std: "docker" "start" "-a" "bbb6ced115452000b22c578d7b2c2716709be6b1181d1b75a315cc9307216716", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.175
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking winnow v0.5.0
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]    Compiling argh_shared v0.1.10
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking bstr v1.6.0
[INFO] [stderr]     Checking utf8-width v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.175
[INFO] [stderr]     Checking bytesize v1.2.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking ascii_table v4.0.2
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking locate-cargo-manifest v0.2.2
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking xattr v0.2.3
[INFO] [stderr]     Checking filetime v0.2.21
[INFO] [stderr]     Checking termsize v0.1.6
[INFO] [stderr]     Checking tar v0.4.39
[INFO] [stderr]     Checking regex-automata v0.3.3
[INFO] [stderr]    Compiling argh_derive v0.1.10
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking byte-unit v4.0.19
[INFO] [stderr]     Checking toml_edit v0.19.14
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]     Checking globset v0.4.11
[INFO] [stderr]     Checking argh v0.1.10
[INFO] [stderr]     Checking toml v0.7.6
[INFO] [stderr]     Checking criner-waste-report v0.1.5
[INFO] [stderr]     Checking cargo-diet v1.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.50s
[INFO] running `Command { std: "docker" "inspect" "bbb6ced115452000b22c578d7b2c2716709be6b1181d1b75a315cc9307216716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbb6ced115452000b22c578d7b2c2716709be6b1181d1b75a315cc9307216716", kill_on_drop: false }`
[INFO] [stdout] bbb6ced115452000b22c578d7b2c2716709be6b1181d1b75a315cc9307216716
[INFO] checking cargo-diet-1.2.7 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate cargo-diet 1.2.7 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate cargo-diet 1.2.7 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 cargo-diet 1.2.7
[INFO] finished tweaking crates.io crate cargo-diet 1.2.7
[INFO] tweaked toml for crates.io crate cargo-diet 1.2.7 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate cargo-diet 1.2.7 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-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] 65d77751708d73ee984b699ddd2b0977433bc2811ec8036010d474387caf608e
[INFO] running `Command { std: "docker" "start" "-a" "65d77751708d73ee984b699ddd2b0977433bc2811ec8036010d474387caf608e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65d77751708d73ee984b699ddd2b0977433bc2811ec8036010d474387caf608e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65d77751708d73ee984b699ddd2b0977433bc2811ec8036010d474387caf608e", kill_on_drop: false }`
[INFO] [stdout] 65d77751708d73ee984b699ddd2b0977433bc2811ec8036010d474387caf608e
[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] 7a731debe2844ddf02033073ddd99a461f155ff9d2d1f0e4e84fe4e9b81e911f
[INFO] running `Command { std: "docker" "start" "-a" "7a731debe2844ddf02033073ddd99a461f155ff9d2d1f0e4e84fe4e9b81e911f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.175
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking winnow v0.5.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling argh_shared v0.1.10
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking bstr v1.6.0
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.175
[INFO] [stderr]     Checking utf8-width v0.1.6
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_derive-1.0.175/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] [stderr]     Checking ascii_table v4.0.2
[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]     Checking bytesize v1.2.0
[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] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.7.1/src/inflate/core.rs:1154:9
[INFO] [stdout]      |
[INFO] [stdout] 1154 | /         match state {
[INFO] [stdout] 1155 | |             Start => generate_state!(state, 'state_machine, {
[INFO] [stdout] 1156 | |                 l.bit_buf = 0;
[INFO] [stdout] 1157 | |                 l.num_bits = 0;
[INFO] [stdout] ...    |
[INFO] [stdout] 1699 | |             _ => break TINFLStatus::Failed,
[INFO] [stdout] 1700 | |         };
[INFO] [stdout]      | |_________^ cannot infer type
[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 `miniz_oxide` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7a731debe2844ddf02033073ddd99a461f155ff9d2d1f0e4e84fe4e9b81e911f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a731debe2844ddf02033073ddd99a461f155ff9d2d1f0e4e84fe4e9b81e911f", kill_on_drop: false }`
[INFO] [stdout] 7a731debe2844ddf02033073ddd99a461f155ff9d2d1f0e4e84fe4e9b81e911f