[INFO] fetching crate gelf_logger 0.1.4...
[INFO] checking gelf_logger-0.1.4 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate gelf_logger 0.1.4 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate gelf_logger 0.1.4 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 gelf_logger 0.1.4
[INFO] finished tweaking crates.io crate gelf_logger 0.1.4
[INFO] tweaked toml for crates.io crate gelf_logger 0.1.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 62 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding foreign-types v0.3.2 (latest: v0.5.0)
[INFO] [stderr]       Adding foreign-types-shared v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding hostname v0.1.5 (latest: v0.4.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding ordered-float v1.1.1 (latest: v4.2.0)
[INFO] [stderr]       Adding serde-value v0.6.0 (latest: v0.7.0)
[INFO] [stderr]       Adding serde_yaml v0.8.26 (latest: v0.9.34+deprecated)
[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] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-value v0.6.0
[INFO] [stderr]   Downloaded serde_gelf v0.1.6
[INFO] [stderr]   Downloaded serde-value-utils v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 184cf09ca0436ace01a0f627a562da722a9e61fb4cb2de77bd601b394dce87c5
[INFO] running `Command { std: "docker" "start" "-a" "184cf09ca0436ace01a0f627a562da722a9e61fb4cb2de77bd601b394dce87c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "184cf09ca0436ace01a0f627a562da722a9e61fb4cb2de77bd601b394dce87c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "184cf09ca0436ace01a0f627a562da722a9e61fb4cb2de77bd601b394dce87c5", kill_on_drop: false }`
[INFO] [stdout] 184cf09ca0436ace01a0f627a562da722a9e61fb4cb2de77bd601b394dce87c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0a883ed7c18d8b2374e64847f71a021dfb4b0d6e0cc39716def674b85c069f4f
[INFO] running `Command { std: "docker" "start" "-a" "0a883ed7c18d8b2374e64847f71a021dfb4b0d6e0cc39716def674b85c069f4f", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking serde-value-utils v0.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking serde_gelf v0.1.6
[INFO] [stderr]     Checking gelf_logger v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.31s
[INFO] running `Command { std: "docker" "inspect" "0a883ed7c18d8b2374e64847f71a021dfb4b0d6e0cc39716def674b85c069f4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a883ed7c18d8b2374e64847f71a021dfb4b0d6e0cc39716def674b85c069f4f", kill_on_drop: false }`
[INFO] [stdout] 0a883ed7c18d8b2374e64847f71a021dfb4b0d6e0cc39716def674b85c069f4f
[INFO] checking gelf_logger-0.1.4 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate gelf_logger 0.1.4 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate gelf_logger 0.1.4 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 gelf_logger 0.1.4
[INFO] finished tweaking crates.io crate gelf_logger 0.1.4
[INFO] tweaked toml for crates.io crate gelf_logger 0.1.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7e3af884368e7aa496bf8f1cd83614c2e7c9db2d208b8086852831a828cc6c6f
[INFO] running `Command { std: "docker" "start" "-a" "7e3af884368e7aa496bf8f1cd83614c2e7c9db2d208b8086852831a828cc6c6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e3af884368e7aa496bf8f1cd83614c2e7c9db2d208b8086852831a828cc6c6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e3af884368e7aa496bf8f1cd83614c2e7c9db2d208b8086852831a828cc6c6f", kill_on_drop: false }`
[INFO] [stdout] 7e3af884368e7aa496bf8f1cd83614c2e7c9db2d208b8086852831a828cc6c6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bd34c92321336fa217451e0c30d3e50ba02592bc87d40a9fd37bd92b0a2326a8
[INFO] running `Command { std: "docker" "start" "-a" "bd34c92321336fa217451e0c30d3e50ba02592bc87d40a9fd37bd92b0a2326a8", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking num-traits v0.2.18
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking serde-value-utils v0.1.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking serde_gelf v0.1.6
[INFO] [stderr]     Checking gelf_logger v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/output.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |             Err(e)?;
[INFO] [stdout]    |             ^^^ cannot infer type of the type parameter `T` declared on the enum `Result`
[INFO] [stdout]    |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]    |
[INFO] [stdout] 72 |             Err::<T, std::io::Error>(e)?;
[INFO] [stdout]    |                +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/output.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |             Err(e)?;
[INFO] [stdout]    |             ^^^ cannot infer type of the type parameter `T` declared on the enum `Result`
[INFO] [stdout]    |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]    |
[INFO] [stdout] 72 |             Err::<T, std::io::Error>(e)?;
[INFO] [stdout]    |                +++++++++++++++++++++
[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] [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 `gelf_logger` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `gelf_logger` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "bd34c92321336fa217451e0c30d3e50ba02592bc87d40a9fd37bd92b0a2326a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd34c92321336fa217451e0c30d3e50ba02592bc87d40a9fd37bd92b0a2326a8", kill_on_drop: false }`
[INFO] [stdout] bd34c92321336fa217451e0c30d3e50ba02592bc87d40a9fd37bd92b0a2326a8