[INFO] cloning repository https://github.com/volks73/groom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/volks73/groom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolks73%2Fgroom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolks73%2Fgroom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9a6ac5afed2471bc32abcd467b9e7656756ba09
[INFO] checking volks73/groom against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolks73%2Fgroom" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/volks73/groom 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/volks73/groom
[INFO] finished tweaking git repo https://github.com/volks73/groom
[INFO] tweaked toml for git repo https://github.com/volks73/groom written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/volks73/groom 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 loggerv v0.7.2
[INFO] [stderr]   Downloaded clap v2.29.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a80038469f71d2fd199282484f70fe127d5e2ec3f33dfd51e2404f9caaf69356
[INFO] running `Command { std: "docker" "start" "-a" "a80038469f71d2fd199282484f70fe127d5e2ec3f33dfd51e2404f9caaf69356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a80038469f71d2fd199282484f70fe127d5e2ec3f33dfd51e2404f9caaf69356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a80038469f71d2fd199282484f70fe127d5e2ec3f33dfd51e2404f9caaf69356", kill_on_drop: false }`
[INFO] [stdout] a80038469f71d2fd199282484f70fe127d5e2ec3f33dfd51e2404f9caaf69356
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 02e274b288efcc85929c0c850bbb77748bea031ed4389f3a790b7f17291dcdeb
[INFO] running `Command { std: "docker" "start" "-a" "02e274b288efcc85929c0c850bbb77748bea031ed4389f3a790b7f17291dcdeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.150
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling Groom v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking unsafe-libyaml v0.2.4
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking loggerv v0.7.2
[INFO] [stderr]     Checking clap v2.29.4
[INFO] [stderr]     Checking mustache v0.9.0
[INFO] [stderr]     Checking serde_yaml v0.9.14
[INFO] [stdout] warning: the item `mustache` is imported redundantly
[INFO] [stdout]   --> src/groom.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use mustache;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | extern crate mustache;
[INFO] [stdout]    | ---------------------- the item `mustache` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_yaml` is imported redundantly
[INFO] [stdout]   --> src/groom.rs:19:18
[INFO] [stdout]    |
[INFO] [stdout] 19 | use serde_yaml::{self, Value};
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | extern crate serde_yaml;
[INFO] [stdout]    | ------------------------ the item `serde_yaml` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mustache` is imported redundantly
[INFO] [stdout]   --> src/groom.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use mustache;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | extern crate mustache;
[INFO] [stdout]    | ---------------------- the item `mustache` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_yaml` is imported redundantly
[INFO] [stdout]   --> src/groom.rs:19:18
[INFO] [stdout]    |
[INFO] [stdout] 19 | use serde_yaml::{self, Value};
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | extern crate serde_yaml;
[INFO] [stdout]    | ------------------------ the item `serde_yaml` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "02e274b288efcc85929c0c850bbb77748bea031ed4389f3a790b7f17291dcdeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02e274b288efcc85929c0c850bbb77748bea031ed4389f3a790b7f17291dcdeb", kill_on_drop: false }`
[INFO] [stdout] 02e274b288efcc85929c0c850bbb77748bea031ed4389f3a790b7f17291dcdeb
[INFO] checking volks73/groom against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolks73%2Fgroom" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/volks73/groom 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/volks73/groom
[INFO] finished tweaking git repo https://github.com/volks73/groom
[INFO] tweaked toml for git repo https://github.com/volks73/groom written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/volks73/groom 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9e5a7e0922f98c828d8e83b49082c402e4e5e60c17dd33bced12f1745b6bf3a7
[INFO] running `Command { std: "docker" "start" "-a" "9e5a7e0922f98c828d8e83b49082c402e4e5e60c17dd33bced12f1745b6bf3a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e5a7e0922f98c828d8e83b49082c402e4e5e60c17dd33bced12f1745b6bf3a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e5a7e0922f98c828d8e83b49082c402e4e5e60c17dd33bced12f1745b6bf3a7", kill_on_drop: false }`
[INFO] [stdout] 9e5a7e0922f98c828d8e83b49082c402e4e5e60c17dd33bced12f1745b6bf3a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8c6cdce84801277fabe32479aed39a420b3628c995a3001c4ab1d7028e168047
[INFO] running `Command { std: "docker" "start" "-a" "8c6cdce84801277fabe32479aed39a420b3628c995a3001c4ab1d7028e168047", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]    Compiling serde v1.0.150
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking unsafe-libyaml v0.2.4
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling Groom v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking clap v2.29.4
[INFO] [stderr]     Checking loggerv v0.7.2
[INFO] [stderr]     Checking mustache v0.9.0
[INFO] [stderr]     Checking serde_yaml v0.9.14
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/mustache-0.9.0/src/macros.rs:7:34
[INFO] [stdout]     |
[INFO] [stdout] 7   |       ($fmt:expr, $($arg:tt)+) => ({
[INFO] [stdout]     |  __________________________________^
[INFO] [stdout] 8   | |         panic!(
[INFO] [stdout] 9   | |             concat!("bug: ",
[INFO] [stdout] 10  | |                     $fmt,
[INFO] [stdout] ...   |
[INFO] [stdout] 14  | |         )
[INFO] [stdout] 15  | |     });
[INFO] [stdout]     | |_____^ cannot infer type
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/mustache-0.9.0/src/template.rs:224:25
[INFO] [stdout]     |
[INFO] [stdout] 224 |                           bug!("render_utag: unexpected value {:?}", value);
[INFO] [stdout]     |                           ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `bug` (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 `mustache` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8c6cdce84801277fabe32479aed39a420b3628c995a3001c4ab1d7028e168047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c6cdce84801277fabe32479aed39a420b3628c995a3001c4ab1d7028e168047", kill_on_drop: false }`
[INFO] [stdout] 8c6cdce84801277fabe32479aed39a420b3628c995a3001c4ab1d7028e168047