[INFO] cloning repository https://github.com/shhac/env-gen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shhac/env-gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshhac%2Fenv-gen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshhac%2Fenv-gen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 043da9bc420448cba3d6b26c62c76d7d2efa9d0e
[INFO] checking shhac/env-gen against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshhac%2Fenv-gen" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shhac/env-gen on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shhac/env-gen
[INFO] finished tweaking git repo https://github.com/shhac/env-gen
[INFO] tweaked toml for git repo https://github.com/shhac/env-gen written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/shhac/env-gen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ceef1bc901ae5459d592ab0032f3ede46d01dd8d33a096e2571e53bc380a9eea
[INFO] running `Command { std: "docker" "start" "-a" "ceef1bc901ae5459d592ab0032f3ede46d01dd8d33a096e2571e53bc380a9eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ceef1bc901ae5459d592ab0032f3ede46d01dd8d33a096e2571e53bc380a9eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceef1bc901ae5459d592ab0032f3ede46d01dd8d33a096e2571e53bc380a9eea", kill_on_drop: false }`
[INFO] [stdout] ceef1bc901ae5459d592ab0032f3ede46d01dd8d33a096e2571e53bc380a9eea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 226af90994b5c13924df2acad37d99bb42940f5c36e44fe26277874239e768c7
[INFO] running `Command { std: "docker" "start" "-a" "226af90994b5c13924df2acad37d99bb42940f5c36e44fe26277874239e768c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking console v0.7.5
[INFO] [stderr]     Checking dialoguer v0.3.0
[INFO] [stderr]     Checking env-gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `super::question`
[INFO] [stdout]  --> src/ask.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::question;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ no `question` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `super::question`
[INFO] [stdout]  --> src/yaml.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use super::question;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ no `question` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `super::question`
[INFO] [stdout]  --> src/ask.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::question;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ no `question` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `super::question`
[INFO] [stdout]  --> src/yaml.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use super::question;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ no `question` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> src/yaml.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     for (a) in v["answers"] {
[INFO] [stdout]    |         ^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> src/yaml.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     for (a) in v["answers"] {
[INFO] [stdout]    |         ^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `&Yaml` is not an iterator
[INFO] [stdout]    --> src/yaml.rs:28:17
[INFO] [stdout]     |
[INFO] [stdout] 28  |   for (k, v) in doc {
[INFO] [stdout]     |                 ^^^ `&Yaml` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Iterator` is not implemented for `&Yaml`
[INFO] [stdout]     = note: required because of the requirements on the impl of `IntoIterator` for `&Yaml`
[INFO] [stdout] note: required by `into_iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `&Yaml` is not an iterator
[INFO] [stdout]    --> src/yaml.rs:28:17
[INFO] [stdout]     |
[INFO] [stdout] 28  |   for (k, v) in doc {
[INFO] [stdout]     |                 ^^^ `&Yaml` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Iterator` is not implemented for `&Yaml`
[INFO] [stdout]     = note: required because of the requirements on the impl of `IntoIterator` for `&Yaml`
[INFO] [stdout] note: required by `into_iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/yaml.rs:54:25
[INFO] [stdout]    |
[INFO] [stdout] 54 |   return dump_questions(&y);
[INFO] [stdout]    |                         ^^ expected enum `Yaml`, found struct `Vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&Yaml`
[INFO] [stdout]               found reference `&Vec<Yaml>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/yaml.rs:54:25
[INFO] [stdout]    |
[INFO] [stdout] 54 |   return dump_questions(&y);
[INFO] [stdout]    |                         ^^ expected enum `Yaml`, found struct `Vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&Yaml`
[INFO] [stdout]               found reference `&Vec<Yaml>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `env-gen` due to 5 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "226af90994b5c13924df2acad37d99bb42940f5c36e44fe26277874239e768c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "226af90994b5c13924df2acad37d99bb42940f5c36e44fe26277874239e768c7", kill_on_drop: false }`
[INFO] [stdout] 226af90994b5c13924df2acad37d99bb42940f5c36e44fe26277874239e768c7