[INFO] fetching crate nfs4_cli 0.1.0...
[INFO] checking nfs4_cli-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate nfs4_cli 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate nfs4_cli 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 nfs4_cli 0.1.0
[INFO] finished tweaking crates.io crate nfs4_cli 0.1.0
[INFO] tweaked toml for crates.io crate nfs4_cli 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate nfs4_cli 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xdr_extras_derive v0.1.0
[INFO] [stderr]   Downloaded sun_rpc_client v0.1.0
[INFO] [stderr]   Downloaded serde v1.0.175
[INFO] [stderr]   Downloaded serde-xdr v0.6.0
[INFO] [stderr]   Downloaded bitflags_serde_shim v0.2.4
[INFO] [stderr]   Downloaded nfs4 v0.1.0
[INFO] [stderr]   Downloaded syn v2.0.27
[INFO] [stderr]   Downloaded portable-atomic v1.4.2
[INFO] [stderr]   Downloaded serde_derive v1.0.175
[INFO] [stderr]   Downloaded winnow v0.5.3
[INFO] [stderr]   Downloaded xdr_extras v0.1.0
[INFO] [stderr]   Downloaded sun_rpc v0.1.0
[INFO] [stderr]   Downloaded nfs4_client v0.1.0
[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] e5ebd32d210f3b460fe834c57df1b781983035ac5bdd125a5f35af6988a55f45
[INFO] running `Command { std: "docker" "start" "-a" "e5ebd32d210f3b460fe834c57df1b781983035ac5bdd125a5f35af6988a55f45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5ebd32d210f3b460fe834c57df1b781983035ac5bdd125a5f35af6988a55f45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5ebd32d210f3b460fe834c57df1b781983035ac5bdd125a5f35af6988a55f45", kill_on_drop: false }`
[INFO] [stdout] e5ebd32d210f3b460fe834c57df1b781983035ac5bdd125a5f35af6988a55f45
[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] bf5744fb550be34105ef7a001f11e56c36e7c19645bd245b01c68166be22de66
[INFO] running `Command { std: "docker" "start" "-a" "bf5744fb550be34105ef7a001f11e56c36e7c19645bd245b01c68166be22de66", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.175
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.175
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]    Compiling winnow v0.5.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]    Compiling portable-atomic v1.4.2
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking clap_builder v4.3.19
[INFO] [stderr]     Checking addr2line v0.20.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling toml_edit v0.19.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking serde_bytes v0.11.12
[INFO] [stderr]     Checking bitflags_serde_shim v0.2.4
[INFO] [stderr]     Checking indicatif v0.17.6
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling xdr_extras_derive v0.1.0
[INFO] [stderr]    Compiling enum-as-inner v0.6.0
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde-xdr v0.6.0
[INFO] [stderr]     Checking xdr_extras v0.1.0
[INFO] [stderr]     Checking sun_rpc v0.1.0
[INFO] [stderr]    Compiling num_enum_derive v0.6.1
[INFO] [stderr]     Checking clap v4.3.19
[INFO] [stderr]     Checking num_enum v0.6.1
[INFO] [stderr]     Checking sun_rpc_client v0.1.0
[INFO] [stderr]     Checking nfs4 v0.1.0
[INFO] [stderr]     Checking nfs4_client v0.1.0
[INFO] [stderr]     Checking nfs4_cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.43s
[INFO] running `Command { std: "docker" "inspect" "bf5744fb550be34105ef7a001f11e56c36e7c19645bd245b01c68166be22de66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf5744fb550be34105ef7a001f11e56c36e7c19645bd245b01c68166be22de66", kill_on_drop: false }`
[INFO] [stdout] bf5744fb550be34105ef7a001f11e56c36e7c19645bd245b01c68166be22de66
[INFO] checking nfs4_cli-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate nfs4_cli 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate nfs4_cli 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 nfs4_cli 0.1.0
[INFO] finished tweaking crates.io crate nfs4_cli 0.1.0
[INFO] tweaked toml for crates.io crate nfs4_cli 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate nfs4_cli 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-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] fcf99e3be75de45af7a702f30e1394abc17ce3b1f1b3a7b1c9c49bdfc474955c
[INFO] running `Command { std: "docker" "start" "-a" "fcf99e3be75de45af7a702f30e1394abc17ce3b1f1b3a7b1c9c49bdfc474955c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcf99e3be75de45af7a702f30e1394abc17ce3b1f1b3a7b1c9c49bdfc474955c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcf99e3be75de45af7a702f30e1394abc17ce3b1f1b3a7b1c9c49bdfc474955c", kill_on_drop: false }`
[INFO] [stdout] fcf99e3be75de45af7a702f30e1394abc17ce3b1f1b3a7b1c9c49bdfc474955c
[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] 13172cd04f84683d6858467b2d0129f1f8429629cb5a21aeb04aeb87ae6c4913
[INFO] running `Command { std: "docker" "start" "-a" "13172cd04f84683d6858467b2d0129f1f8429629cb5a21aeb04aeb87ae6c4913", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.175
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling serde_derive v1.0.175
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling failure_derive v0.1.8
[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] [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" "13172cd04f84683d6858467b2d0129f1f8429629cb5a21aeb04aeb87ae6c4913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13172cd04f84683d6858467b2d0129f1f8429629cb5a21aeb04aeb87ae6c4913", kill_on_drop: false }`
[INFO] [stdout] 13172cd04f84683d6858467b2d0129f1f8429629cb5a21aeb04aeb87ae6c4913