[INFO] fetching crate elf2tab 0.12.0...
[INFO] checking elf2tab-0.12.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate elf2tab 0.12.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate elf2tab 0.12.0 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] removed /workspace/builds/worker-6-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate elf2tab 0.12.0
[INFO] finished tweaking crates.io crate elf2tab 0.12.0
[INFO] tweaked toml for crates.io crate elf2tab 0.12.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate elf2tab 0.12.0 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 xattr v1.0.1
[INFO] [stderr]   Downloaded clap-num v1.0.2
[INFO] [stderr]   Downloaded elf v0.7.2
[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] a6fe71ec1c5e4d211b8ba3aa1fc0374846e33a8a6a42db34c9b727e69e7ea7fd
[INFO] running `Command { std: "docker" "start" "-a" "a6fe71ec1c5e4d211b8ba3aa1fc0374846e33a8a6a42db34c9b727e69e7ea7fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6fe71ec1c5e4d211b8ba3aa1fc0374846e33a8a6a42db34c9b727e69e7ea7fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6fe71ec1c5e4d211b8ba3aa1fc0374846e33a8a6a42db34c9b727e69e7ea7fd", kill_on_drop: false }`
[INFO] [stdout] a6fe71ec1c5e4d211b8ba3aa1fc0374846e33a8a6a42db34c9b727e69e7ea7fd
[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] d8c4fd9aa70cd148e4bf182bd7cb5c7a624371dc08007680d703dbdb24608a0e
[INFO] running `Command { std: "docker" "start" "-a" "d8c4fd9aa70cd148e4bf182bd7cb5c7a624371dc08007680d703dbdb24608a0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling rustix v0.38.17
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.8
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking elf v0.7.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking xattr v1.0.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking terminal_size v0.3.0
[INFO] [stderr]     Checking filetime v0.2.22
[INFO] [stderr]     Checking clap_builder v4.4.6
[INFO] [stderr]     Checking tar v0.4.40
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking clap-num v1.0.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]     Checking clap v4.4.6
[INFO] [stderr]     Checking elf2tab v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.51s
[INFO] running `Command { std: "docker" "inspect" "d8c4fd9aa70cd148e4bf182bd7cb5c7a624371dc08007680d703dbdb24608a0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8c4fd9aa70cd148e4bf182bd7cb5c7a624371dc08007680d703dbdb24608a0e", kill_on_drop: false }`
[INFO] [stdout] d8c4fd9aa70cd148e4bf182bd7cb5c7a624371dc08007680d703dbdb24608a0e
[INFO] checking elf2tab-0.12.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate elf2tab 0.12.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate elf2tab 0.12.0 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] removed /workspace/builds/worker-6-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate elf2tab 0.12.0
[INFO] finished tweaking crates.io crate elf2tab 0.12.0
[INFO] tweaked toml for crates.io crate elf2tab 0.12.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate elf2tab 0.12.0 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] 5a488310e770420623764479055e2aa97d22c3ab10c1071824348a3fd22abc2c
[INFO] running `Command { std: "docker" "start" "-a" "5a488310e770420623764479055e2aa97d22c3ab10c1071824348a3fd22abc2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a488310e770420623764479055e2aa97d22c3ab10c1071824348a3fd22abc2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a488310e770420623764479055e2aa97d22c3ab10c1071824348a3fd22abc2c", kill_on_drop: false }`
[INFO] [stdout] 5a488310e770420623764479055e2aa97d22c3ab10c1071824348a3fd22abc2c
[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] b53e94ed68d41a3ff16bfb087e049d7e127e6aab89ae8f5685830d303facb68e
[INFO] running `Command { std: "docker" "start" "-a" "b53e94ed68d41a3ff16bfb087e049d7e127e6aab89ae8f5685830d303facb68e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling rustix v0.38.17
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.8
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking elf v0.7.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking xattr v1.0.1
[INFO] [stderr]     Checking terminal_size v0.3.0
[INFO] [stderr]     Checking clap_builder v4.4.6
[INFO] [stderr]     Checking filetime v0.2.22
[INFO] [stderr]     Checking tar v0.4.40
[INFO] [stderr]     Checking clap-num v1.0.2
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]     Checking clap v4.4.6
[INFO] [stderr]     Checking elf2tab v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed for `Result<(), _>`
[INFO] [stdout]     --> src/convert.rs:1076:13
[INFO] [stdout]      |
[INFO] [stdout] 1076 |           let _res = key_pair
[INFO] [stdout]      |  _____________^^^^___-
[INFO] [stdout] 1077 | |             .sign(
[INFO] [stdout] 1078 | |                 &signature::RSA_PKCS1_SHA512,
[INFO] [stdout] 1079 | |                 &rng,
[INFO] [stdout] ...    |
[INFO] [stdout] 1084 | |                 panic!("Could not generate RSA4096 signature: {:?}", e);
[INFO] [stdout] 1085 | |             });
[INFO] [stdout]      | |______________- type must be known at this point
[INFO] [stdout]      |
[INFO] [stdout] help: consider giving `_res` an explicit type, where the type for type parameter `F` is specified
[INFO] [stdout]      |
[INFO] [stdout] 1076 |         let _res: Result<(), _> = key_pair
[INFO] [stdout]      |                 +++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `Result<(), _>`
[INFO] [stdout]     --> src/convert.rs:1076:13
[INFO] [stdout]      |
[INFO] [stdout] 1076 |           let _res = key_pair
[INFO] [stdout]      |  _____________^^^^___-
[INFO] [stdout] 1077 | |             .sign(
[INFO] [stdout] 1078 | |                 &signature::RSA_PKCS1_SHA512,
[INFO] [stdout] 1079 | |                 &rng,
[INFO] [stdout] ...    |
[INFO] [stdout] 1084 | |                 panic!("Could not generate RSA4096 signature: {:?}", e);
[INFO] [stdout] 1085 | |             });
[INFO] [stdout]      | |______________- type must be known at this point
[INFO] [stdout]      |
[INFO] [stdout] help: consider giving `_res` an explicit type, where the type for type parameter `F` is specified
[INFO] [stdout]      |
[INFO] [stdout] 1076 |         let _res: Result<(), _> = key_pair
[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] [stderr] error: could not compile `elf2tab` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `elf2tab` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b53e94ed68d41a3ff16bfb087e049d7e127e6aab89ae8f5685830d303facb68e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b53e94ed68d41a3ff16bfb087e049d7e127e6aab89ae8f5685830d303facb68e", kill_on_drop: false }`
[INFO] [stdout] b53e94ed68d41a3ff16bfb087e049d7e127e6aab89ae8f5685830d303facb68e