[INFO] cloning repository https://github.com/saizo80/rtoml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saizo80/rtoml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaizo80%2Frtoml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaizo80%2Frtoml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e0c1f23b36fdfebee18b55a7d766c4907ce335e
[INFO] checking saizo80/rtoml against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaizo80%2Frtoml" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/saizo80/rtoml 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 git repo https://github.com/saizo80/rtoml
[INFO] finished tweaking git repo https://github.com/saizo80/rtoml
[INFO] tweaked toml for git repo https://github.com/saizo80/rtoml written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/saizo80/rtoml 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 sensible-env-logger v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 341bd62f29a8fb2dd52ce50a7e79e04b7074deabf6f51bc575eb3490cae9f865
[INFO] running `Command { std: "docker" "start" "-a" "341bd62f29a8fb2dd52ce50a7e79e04b7074deabf6f51bc575eb3490cae9f865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "341bd62f29a8fb2dd52ce50a7e79e04b7074deabf6f51bc575eb3490cae9f865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "341bd62f29a8fb2dd52ce50a7e79e04b7074deabf6f51bc575eb3490cae9f865", kill_on_drop: false }`
[INFO] [stdout] 341bd62f29a8fb2dd52ce50a7e79e04b7074deabf6f51bc575eb3490cae9f865
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b5e40b4b0e78429825f55ee753fb0eebdc9b82396871d279257c36a077af1200
[INFO] running `Command { std: "docker" "start" "-a" "b5e40b4b0e78429825f55ee753fb0eebdc9b82396871d279257c36a077af1200", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.185
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking winnow v0.5.14
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking toml_edit v0.19.14
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking sensible-env-logger v0.3.2
[INFO] [stderr]     Checking toml v0.7.6
[INFO] [stderr]     Checking rtoml-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "b5e40b4b0e78429825f55ee753fb0eebdc9b82396871d279257c36a077af1200", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e40b4b0e78429825f55ee753fb0eebdc9b82396871d279257c36a077af1200", kill_on_drop: false }`
[INFO] [stdout] b5e40b4b0e78429825f55ee753fb0eebdc9b82396871d279257c36a077af1200
[INFO] checking saizo80/rtoml against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaizo80%2Frtoml" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/saizo80/rtoml 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 git repo https://github.com/saizo80/rtoml
[INFO] finished tweaking git repo https://github.com/saizo80/rtoml
[INFO] tweaked toml for git repo https://github.com/saizo80/rtoml written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/saizo80/rtoml 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] fe996a6b8cda29fabe6d09c6464d3c99634437175f94c2f6becc3f6b728a8f2b
[INFO] running `Command { std: "docker" "start" "-a" "fe996a6b8cda29fabe6d09c6464d3c99634437175f94c2f6becc3f6b728a8f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe996a6b8cda29fabe6d09c6464d3c99634437175f94c2f6becc3f6b728a8f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe996a6b8cda29fabe6d09c6464d3c99634437175f94c2f6becc3f6b728a8f2b", kill_on_drop: false }`
[INFO] [stdout] fe996a6b8cda29fabe6d09c6464d3c99634437175f94c2f6becc3f6b728a8f2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 36d144519827a623ac180b9eedd44e0aacb61979c32f1af0a877d10f5f0b1dfa
[INFO] running `Command { std: "docker" "start" "-a" "36d144519827a623ac180b9eedd44e0aacb61979c32f1af0a877d10f5f0b1dfa", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling serde v1.0.185
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking winnow v0.5.14
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/argparse-0.2.2/src/parser.rs:206:18
[INFO] [stdout]     |
[INFO] [stdout] 206 |             _ => panic!(),
[INFO] [stdout]     |                  ^^^^^^^^ cannot satisfy `_ -> _`
[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[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/argparse-0.2.2/src/parser.rs:340:29
[INFO] [stdout]     |
[INFO] [stdout] 340 |                       None => match self.parser.catchall_argument {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 341 | |                         Some(ref option) => {
[INFO] [stdout] 342 | |                             opt = option;
[INFO] [stdout] 343 | |                             break;
[INFO] [stdout] ...   |
[INFO] [stdout] 346 | |                             "Unexpected argument {}", arg)),
[INFO] [stdout] 347 | |                     }
[INFO] [stdout]     | |_____________________^ cannot satisfy `_ -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/argparse-0.2.2/src/parser.rs:809:22
[INFO] [stdout]     |
[INFO] [stdout] 809 |             .map_err(|c| exit(c))
[INFO] [stdout]     |                      ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try giving this closure an explicit return type
[INFO] [stdout]     |
[INFO] [stdout] 809 |             .map_err(|c| -> /* Type */ { exit(c) })
[INFO] [stdout]     |                          +++++++++++++++         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0284.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `argparse` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "36d144519827a623ac180b9eedd44e0aacb61979c32f1af0a877d10f5f0b1dfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36d144519827a623ac180b9eedd44e0aacb61979c32f1af0a877d10f5f0b1dfa", kill_on_drop: false }`
[INFO] [stdout] 36d144519827a623ac180b9eedd44e0aacb61979c32f1af0a877d10f5f0b1dfa