[INFO] cloning repository https://github.com/wagiejack/temp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wagiejack/temp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwagiejack%2Ftemp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwagiejack%2Ftemp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b04cba182a2cbbe8a6f139ad005c678de413015
[INFO] checking wagiejack/temp against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwagiejack%2Ftemp" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  54% (6079/11097)
Updating files:  55% (6104/11097)
Updating files:  56% (6215/11097)
Updating files:  57% (6326/11097)
Updating files:  58% (6437/11097)
Updating files:  59% (6548/11097)
Updating files:  60% (6659/11097)
Updating files:  61% (6770/11097)
Updating files:  62% (6881/11097)
Updating files:  63% (6992/11097)
Updating files:  64% (7103/11097)
Updating files:  65% (7214/11097)
Updating files:  66% (7325/11097)
Updating files:  67% (7435/11097)
Updating files:  68% (7546/11097)
Updating files:  69% (7657/11097)
Updating files:  70% (7768/11097)
Updating files:  71% (7879/11097)
Updating files:  72% (7990/11097)
Updating files:  73% (8101/11097)
Updating files:  74% (8212/11097)
Updating files:  75% (8323/11097)
Updating files:  76% (8434/11097)
Updating files:  77% (8545/11097)
Updating files:  78% (8656/11097)
Updating files:  79% (8767/11097)
Updating files:  80% (8878/11097)
Updating files:  81% (8989/11097)
Updating files:  82% (9100/11097)
Updating files:  83% (9211/11097)
Updating files:  84% (9322/11097)
Updating files:  85% (9433/11097)
Updating files:  86% (9544/11097)
Updating files:  87% (9655/11097)
Updating files:  88% (9766/11097)
Updating files:  89% (9877/11097)
Updating files:  90% (9988/11097)
Updating files:  91% (10099/11097)
Updating files:  92% (10210/11097)
Updating files:  93% (10321/11097)
Updating files:  94% (10432/11097)
Updating files:  95% (10543/11097)
Updating files:  95% (10586/11097)
Updating files:  96% (10654/11097)
Updating files:  97% (10765/11097)
Updating files:  98% (10876/11097)
Updating files:  99% (10987/11097)
Updating files: 100% (11097/11097)
Updating files: 100% (11097/11097), done.
[INFO] started tweaking git repo https://github.com/wagiejack/temp
[INFO] finished tweaking git repo https://github.com/wagiejack/temp
[INFO] tweaked toml for git repo https://github.com/wagiejack/temp written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wagiejack/temp on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wagiejack/temp 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d10e0d986f76ec1ea041c931d611413b0e09b18a97db3b4c4c30eab1cd02c76b
[INFO] running `Command { std: "docker" "start" "-a" "d10e0d986f76ec1ea041c931d611413b0e09b18a97db3b4c4c30eab1cd02c76b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d10e0d986f76ec1ea041c931d611413b0e09b18a97db3b4c4c30eab1cd02c76b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d10e0d986f76ec1ea041c931d611413b0e09b18a97db3b4c4c30eab1cd02c76b", kill_on_drop: false }`
[INFO] [stdout] d10e0d986f76ec1ea041c931d611413b0e09b18a97db3b4c4c30eab1cd02c76b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 726806cb71873d0dbf80792c37dfad692d553b6561c9d0b914240e346591ea4d
[INFO] running `Command { std: "docker" "start" "-a" "726806cb71873d0dbf80792c37dfad692d553b6561c9d0b914240e346591ea4d", kill_on_drop: false }`
[INFO] [stderr]     Checking exercises v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> exercises/18_iterators/iterators4.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn factorial(num: u64) -> u64 {
[INFO] [stdout]   |    ---------              ^^^ expected `u64`, found `()`
[INFO] [stdout]   |    |
[INFO] [stdout]   |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]   |
[INFO] [stdout] help: consider returning the local binding `num`
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn factorial(num: u64) -> u64 {
[INFO] [stdout] 3 ~     num
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ParseInt` is never constructed
[INFO] [stdout]   --> exercises/13_error_handling/errors6.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum ParsePosNonzeroError {
[INFO] [stdout]    |      -------------------- variant in this enum
[INFO] [stdout] 18 |     Creation(CreationError),
[INFO] [stdout] 19 |     ParseInt(ParseIntError),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParsePosNonzeroError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "iterators4") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: expected one of `,`, `:`, or `}`, found `!`
[INFO] [stdout]   --> exercises/12_options/options2.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |         word = optional_target {
[INFO] [stdout]    |                --------------- while parsing this struct
[INFO] [stdout] 14 |             assert_eq!(word, target);
[INFO] [stdout]    |             ---------^ expected one of `,`, `:`, or `}`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             while parsing this struct field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `,`, `:`, or `}`, found `)`
[INFO] [stdout]   --> exercises/12_options/options2.rs:14:36
[INFO] [stdout]    |
[INFO] [stdout] 13 |         word = optional_target {
[INFO] [stdout]    |                --------------- while parsing this struct
[INFO] [stdout] 14 |             assert_eq!(word, target);
[INFO] [stdout]    |                                    ^ expected one of `,`, `:`, or `}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `{`
[INFO] [stdout]   --> exercises/12_options/options2.rs:32:43
[INFO] [stdout]    |
[INFO] [stdout] 32 |         integer = optional_integers.pop() {
[INFO] [stdout]    |                                           ^ expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "options2") due to 3 previous errors
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> exercises/18_iterators/iterators5.rs:28:72
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn count_iterator(map: &HashMap<String, Progress>, value: Progress) -> usize {
[INFO] [stdout]    |    --------------                                                      ^^^^^ expected `usize`, found `()`
[INFO] [stdout]    |    |
[INFO] [stdout]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> exercises/18_iterators/iterators5.rs:47:92
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn count_collection_iterator(collection: &[HashMap<String, Progress>], value: Progress) -> usize {
[INFO] [stdout]    |    -------------------------                                                               ^^^^^ expected `usize`, found `()`
[INFO] [stdout]    |    |
[INFO] [stdout]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "iterators5") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "726806cb71873d0dbf80792c37dfad692d553b6561c9d0b914240e346591ea4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "726806cb71873d0dbf80792c37dfad692d553b6561c9d0b914240e346591ea4d", kill_on_drop: false }`
[INFO] [stdout] 726806cb71873d0dbf80792c37dfad692d553b6561c9d0b914240e346591ea4d