[INFO] cloning repository https://github.com/jpfogato/rust-learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jpfogato/rust-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpfogato%2Frust-learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpfogato%2Frust-learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3107dc1c9f0603d164c12c276671384516947014
[INFO] fixing jpfogato/rust-learning against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpfogato%2Frust-learning" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jpfogato/rust-learning
[INFO] finished tweaking git repo https://github.com/jpfogato/rust-learning
[INFO] tweaked toml for git repo https://github.com/jpfogato/rust-learning written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jpfogato/rust-learning on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jpfogato/rust-learning 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-1-tc1/source/exercises/rustlings/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.100
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 44197be63aa135efdae9a30feb0fd06ea746b8f0fa37aba2256a042458e2126f
[INFO] running `Command { std: "docker" "start" "44197be63aa135efdae9a30feb0fd06ea746b8f0fa37aba2256a042458e2126f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "44197be63aa135efdae9a30feb0fd06ea746b8f0fa37aba2256a042458e2126f" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44197be63aa135efdae9a30feb0fd06ea746b8f0fa37aba2256a042458e2126f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "44197be63aa135efdae9a30feb0fd06ea746b8f0fa37aba2256a042458e2126f" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/exercises/rustlings/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking foobar v0.1.0 (/opt/rustwide/workdir/chapter_7/foobar)
[INFO] [stderr]     Checking exercises v0.0.0 (/opt/rustwide/workdir/exercises/rustlings)
[INFO] [stderr]     Checking temp_converter v0.1.0 (/opt/rustwide/workdir/exercises/other_projects/temp_converter)
[INFO] [stderr]     Checking fibonacci v0.1.0 (/opt/rustwide/workdir/exercises/other_projects/fibonacci)
[INFO] [stderr]     Checking match_op v0.1.0 (/opt/rustwide/workdir/chapter_6/match_op)
[INFO] [stderr]     Checking modules v0.1.0 (/opt/rustwide/workdir/chapter_7/modules)
[INFO] [stderr]     Checking vectors v0.1.0 (/opt/rustwide/workdir/chapter_8/vectors)
[INFO] [stdout] error[E0282]: type annotations needed for `Vec<_>`
[INFO] [stdout]   --> exercises/rustlings/exercises/20_threads/threads1.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut results = Vec::new();
[INFO] [stdout]    |         ^^^^^^^^^^^   ---------- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving `results` an explicit type, where the type for type parameter `T` is specified
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut results: Vec<T> = Vec::new();
[INFO] [stdout]    |                    ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "threads1" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `six`
[INFO] [stdout]   --> chapter_6/match_op/src/main.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let six = plus_one(five);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_six`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `none`
[INFO] [stdout]   --> chapter_6/match_op/src/main.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let none = plus_one(None);
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `None`
[INFO] [stdout]    |
[INFO] [stdout] 55 -     let none = plus_one(None);
[INFO] [stdout] 55 +     let std::prelude::v1::None = plus_one(None);
[INFO] [stdout]    |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let _none = plus_one(None);
[INFO] [stdout]    |         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> chapter_6/match_op/src/main.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         other => default_execution(), // there's no need to declare this variable previously!
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Texas`, `Florida`, and `NewYork` are never constructed
[INFO] [stdout]  --> chapter_6/match_op/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum UsState{
[INFO] [stdout]   |      ------- variants in this enum
[INFO] [stdout] 3 |     California,
[INFO] [stdout] 4 |     Texas,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     Florida,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 6 |     NewYork,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `UsState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Penny`, `Nickel`, and `Dime` are never constructed
[INFO] [stdout]   --> chapter_6/match_op/src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | enum Coin {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 10 |     Penny,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 11 |     Nickel,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 12 |     Dime,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> exercises/rustlings/exercises/quizzes/quiz3.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |             grade: "A+",
[INFO] [stdout]    |                    ^^^^ expected `f32`, found `&str`
[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 "quiz3" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "44197be63aa135efdae9a30feb0fd06ea746b8f0fa37aba2256a042458e2126f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44197be63aa135efdae9a30feb0fd06ea746b8f0fa37aba2256a042458e2126f", kill_on_drop: false }`
[INFO] [stdout] 44197be63aa135efdae9a30feb0fd06ea746b8f0fa37aba2256a042458e2126f
