[INFO] cloning repository https://github.com/DKolaya/rustling
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DKolaya/rustling" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDKolaya%2Frustling", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDKolaya%2Frustling'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 764960ec2f357856dacfaa37077ad8920d982bfc
[INFO] testing DKolaya/rustling against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDKolaya%2Frustling" "/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% (3608/6650)
Updating files:  55% (3658/6650)
Updating files:  56% (3724/6650)
Updating files:  57% (3791/6650)
Updating files:  58% (3857/6650)
Updating files:  59% (3924/6650)
Updating files:  60% (3990/6650)
Updating files:  61% (4057/6650)
Updating files:  62% (4123/6650)
Updating files:  63% (4190/6650)
Updating files:  64% (4256/6650)
Updating files:  65% (4323/6650)
Updating files:  66% (4389/6650)
Updating files:  66% (4398/6650)
Updating files:  67% (4456/6650)
Updating files:  68% (4522/6650)
Updating files:  69% (4589/6650)
Updating files:  70% (4655/6650)
Updating files:  71% (4722/6650)
Updating files:  72% (4788/6650)
Updating files:  73% (4855/6650)
Updating files:  74% (4921/6650)
Updating files:  75% (4988/6650)
Updating files:  76% (5054/6650)
Updating files:  77% (5121/6650)
Updating files:  78% (5187/6650)
Updating files:  79% (5254/6650)
Updating files:  80% (5320/6650)
Updating files:  81% (5387/6650)
Updating files:  82% (5453/6650)
Updating files:  83% (5520/6650)
Updating files:  84% (5586/6650)
Updating files:  85% (5653/6650)
Updating files:  86% (5719/6650)
Updating files:  87% (5786/6650)
Updating files:  88% (5852/6650)
Updating files:  89% (5919/6650)
Updating files:  90% (5985/6650)
Updating files:  91% (6052/6650)
Updating files:  92% (6118/6650)
Updating files:  93% (6185/6650)
Updating files:  94% (6251/6650)
Updating files:  95% (6318/6650)
Updating files:  96% (6384/6650)
Updating files:  97% (6451/6650)
Updating files:  98% (6517/6650)
Updating files:  99% (6584/6650)
Updating files: 100% (6650/6650)
Updating files: 100% (6650/6650), done.
[INFO] started tweaking git repo https://github.com/DKolaya/rustling
[INFO] finished tweaking git repo https://github.com/DKolaya/rustling
[INFO] tweaked toml for git repo https://github.com/DKolaya/rustling written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DKolaya/rustling on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DKolaya/rustling 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f1e06a3f25929735b2f9910fd500ae20fda27d7aa551271e2f58fe93cd24c33
[INFO] running `Command { std: "docker" "start" "-a" "9f1e06a3f25929735b2f9910fd500ae20fda27d7aa551271e2f58fe93cd24c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f1e06a3f25929735b2f9910fd500ae20fda27d7aa551271e2f58fe93cd24c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f1e06a3f25929735b2f9910fd500ae20fda27d7aa551271e2f58fe93cd24c33", kill_on_drop: false }`
[INFO] [stdout] 9f1e06a3f25929735b2f9910fd500ae20fda27d7aa551271e2f58fe93cd24c33
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 043743f547f6c8fe1df65689c8d36a16243d14da4bfcacc7badbd710e7296b68
[INFO] running `Command { std: "docker" "start" "-a" "043743f547f6c8fe1df65689c8d36a16243d14da4bfcacc7badbd710e7296b68", kill_on_drop: false }`
[INFO] [stderr]    Compiling exercises v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SystemTime`
[INFO] [stdout]  --> exercises/10_modules/modules3.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 |     match SystemTime::now().duration_since(UNIX_EPOCH) {
[INFO] [stdout]   |           ^^^^^^^^^^ use of undeclared type `SystemTime`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 8 + use std::time::SystemTime;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `UNIX_EPOCH` in this scope
[INFO] [stdout]  --> exercises/10_modules/modules3.rs:9:44
[INFO] [stdout]   |
[INFO] [stdout] 9 |     match SystemTime::now().duration_since(UNIX_EPOCH) {
[INFO] [stdout]   |                                            ^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this constant
[INFO] [stdout]   |
[INFO] [stdout] 8 + use std::time::UNIX_EPOCH;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> exercises/10_modules/modules3.rs:10:74
[INFO] [stdout]    |
[INFO] [stdout] 10 |         Ok(n) => println!("1970-01-01 00:00:00 UTC was {} seconds ago!", n.as_secs()),
[INFO] [stdout]    |                                                                          ^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "modules3") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] [stdout] error[E0046]: not all trait items implemented, missing: `append_bar`
[INFO] [stdout]  --> exercises/15_traits/traits1.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn append_bar(self) -> Self;
[INFO] [stdout]   |     ---------------------------- `append_bar` from trait
[INFO] [stdout] ...
[INFO] [stdout] 7 | impl AppendBar for String {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^ missing `append_bar` in implementation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> exercises/18_iterators/iterators3.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn divide(a: i64, b: i64) -> Result<i64, DivisionError> {
[INFO] [stdout]    |           ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "traits1") due to 1 previous error
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> exercises/18_iterators/iterators3.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn divide(a: i64, b: i64) -> Result<i64, DivisionError> {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `division_results`
[INFO] [stdout]   --> exercises/18_iterators/iterators3.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let division_results = numbers.into_iter().map(|n| divide(n, 27));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_division_results`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `division_results`
[INFO] [stdout]   --> exercises/18_iterators/iterators3.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let division_results = numbers.into_iter().map(|n| divide(n, 27));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_division_results`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "043743f547f6c8fe1df65689c8d36a16243d14da4bfcacc7badbd710e7296b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "043743f547f6c8fe1df65689c8d36a16243d14da4bfcacc7badbd710e7296b68", kill_on_drop: false }`
[INFO] [stdout] 043743f547f6c8fe1df65689c8d36a16243d14da4bfcacc7badbd710e7296b68
