[INFO] cloning repository https://github.com/frankvanbever/rust-book-notes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frankvanbever/rust-book-notes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrankvanbever%2Frust-book-notes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrankvanbever%2Frust-book-notes'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: fetch-pack: invalid index-pack output
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/frankvanbever/rust-book-notes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frankvanbever/rust-book-notes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrankvanbever%2Frust-book-notes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrankvanbever%2Frust-book-notes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c24d89b7040b899d33b78140025e51cda0c3e6a1
[INFO] checking frankvanbever/rust-book-notes against master#5a45ab9738330fb317d49e3594c2db5248b1e971 for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrankvanbever%2Frust-book-notes" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frankvanbever/rust-book-notes on toolchain 5a45ab9738330fb317d49e3594c2db5248b1e971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/frankvanbever/rust-book-notes
[INFO] finished tweaking git repo https://github.com/frankvanbever/rust-book-notes
[INFO] tweaked toml for git repo https://github.com/frankvanbever/rust-book-notes written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/frankvanbever/rust-book-notes 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" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a20aaa70dcaa8e52bda06936eb99e48e8856a07972ad043b3de125726fb4fdf7
[INFO] running `Command { std: "docker" "start" "-a" "a20aaa70dcaa8e52bda06936eb99e48e8856a07972ad043b3de125726fb4fdf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a20aaa70dcaa8e52bda06936eb99e48e8856a07972ad043b3de125726fb4fdf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a20aaa70dcaa8e52bda06936eb99e48e8856a07972ad043b3de125726fb4fdf7", kill_on_drop: false }`
[INFO] [stdout] a20aaa70dcaa8e52bda06936eb99e48e8856a07972ad043b3de125726fb4fdf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 927066e1410a42ea583dcf5c84ae944863de92ba7cdb774056073f10c162d042
[INFO] running `Command { std: "docker" "start" "-a" "927066e1410a42ea583dcf5c84ae944863de92ba7cdb774056073f10c162d042", kill_on_drop: false }`
[INFO] [stderr]     Checking if-let-control-flow v0.1.0 (/opt/rustwide/workdir/ch6-enums-pattern-matching/if-let-control-flow)
[INFO] [stderr]     Checking control_flow v0.1.0 (/opt/rustwide/workdir/control_flow)
[INFO] [stderr]     Checking match-control-flow v0.1.0 (/opt/rustwide/workdir/ch6-enums-pattern-matching/match-control-flow)
[INFO] [stderr]     Checking functions v0.1.0 (/opt/rustwide/workdir/functions)
[INFO] [stderr]     Checking ownership_and_functions v0.1.0 (/opt/rustwide/workdir/ch4-understanding_ownership/ownership_and_functions)
[INFO] [stderr]     Checking catch-all-patterns v0.1.0 (/opt/rustwide/workdir/ch6-enums-pattern-matching/catch-all-patterns)
[INFO] [stderr]     Checking references_and_borrowing v0.1.0 (/opt/rustwide/workdir/ch4-understanding_ownership/references_and_borrowing)
[INFO] [stderr]     Checking option-enum v0.1.0 (/opt/rustwide/workdir/ch6-enums-pattern-matching/option-enum)
[INFO] [stderr]     Checking slice-type v0.1.0 (/opt/rustwide/workdir/ch4-understanding_ownership/slice-type)
[INFO] [stderr]     Checking data_types v0.1.0 (/opt/rustwide/workdir/data_types)
[INFO] [stderr]     Checking defining_structs v0.1.0 (/opt/rustwide/workdir/ch5-using-structs-to-structure/defining_structs)
[INFO] [stderr]     Checking string_stuff v0.1.0 (/opt/rustwide/workdir/ch4-understanding_ownership/string_stuff)
[INFO] [stdout] warning: function `reroll` is never used
[INFO] [stdout]   --> ch6-enums-pattern-matching/catch-all-patterns/src/main.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn reroll() {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot add `Option<i8>` to `i8`
[INFO] [stdout]   --> ch6-enums-pattern-matching/option-enum/src/main.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let sum = x + y;
[INFO] [stdout]    |                 ^ no implementation for `i8 + Option<i8>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Add<Option<i8>>` is not implemented for `i8`
[INFO] [stdout]    = help: the following other types implement trait `Add<Rhs>`:
[INFO] [stdout]              `&i8` implements `Add<i8>`
[INFO] [stdout]              `&i8` implements `Add`
[INFO] [stdout]              `i8` implements `Add<&i8>`
[INFO] [stdout]              `i8` implements `Add`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking return_values_and_scope v0.1.0 (/opt/rustwide/workdir/ch4-understanding_ownership/return_values_and_scope)
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr]     Checking variables v0.1.0 (/opt/rustwide/workdir/variables)
[INFO] [stdout] warning: function `reroll` is never used
[INFO] [stdout]   --> ch6-enums-pattern-matching/catch-all-patterns/src/main.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn reroll() {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `option-enum` (bin "option-enum") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> ch6-enums-pattern-matching/match-control-flow/src/main.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | enum UsState {
[INFO] [stdout]    |      ------- variants in this enum
[INFO] [stdout] 3  |     Alabama,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 4  |     Alaska,
[INFO] [stdout] 5  |     Arizona,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 6  |     Arkansas,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 7  |     California,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 8  |     Colorado,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 9  |     Connecticut,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 10 |     Delaware,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 11 |     Florida,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 12 |     Georgia,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 13 |     Hawaii,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 14 |     Idaho,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     Illinois,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 16 |     Indiana,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 17 |     Iowa,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     Kansas,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 19 |     Kentucky,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 20 |     Louisiana,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 21 |     Maine,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 22 |     Maryland,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 23 |     Massachusetts,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 24 |     Michigan,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 25 |     Minnesota,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 26 |     Mississippi,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 27 |     Missouri,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 28 |     Montana,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 29 |     Nebraska,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 30 |     Nevada,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 31 |     NewHampshire,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 32 |     NewJersey,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 33 |     NewMexico,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 34 |     NewYork,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 35 |     NorthCarolina,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 36 |     NorthDakota,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 37 |     Ohio,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 38 |     Oklahoma,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 39 |     Oregon,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 40 |     Pennsylvania,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 41 |     RhodeIsland,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 42 |     SouthCarolina,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 43 |     SouthDakota,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 44 |     Tennessee,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 45 |     Texas,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 46 |     Utah,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 47 |     Vermont,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 48 |     Virginia,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 49 |     Washington,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 50 |     WestVirginia,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 51 |     Wisconsin,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 52 |     Wyoming,
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Nickel` and `Dime` are never constructed
[INFO] [stdout]   --> ch6-enums-pattern-matching/match-control-flow/src/main.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | enum Coin {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 56 |     Penny,
[INFO] [stdout] 57 |     Nickel,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 58 |     Dime,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: borrow of moved value: `s`
[INFO] [stdout]   --> ch4-understanding_ownership/ownership_and_functions/src/main.rs:7:15
[INFO] [stdout]    |
[INFO] [stdout] 2  |     let s = String::from("hello"); // s comes into scope
[INFO] [stdout]    |         - move occurs because `s` has type `String`, which does not implement the `Copy` trait
[INFO] [stdout] 3  |
[INFO] [stdout] 4  |     takes_ownership(s);
[INFO] [stdout]    |                     - value moved here
[INFO] [stdout] ...
[INFO] [stdout] 7  |     println!("{s}");
[INFO] [stdout]    |               ^^^ value borrowed here after move
[INFO] [stdout]    |
[INFO] [stdout] note: consider changing this parameter type in function `takes_ownership` to borrow instead if owning the value isn't necessary
[INFO] [stdout]   --> ch4-understanding_ownership/ownership_and_functions/src/main.rs:15:33
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn takes_ownership(some_string: String) {
[INFO] [stdout]    |    ---------------              ^^^^^^ this parameter takes ownership of the value
[INFO] [stdout]    |    |
[INFO] [stdout]    |    in this function
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider cloning the value if the performance cost is acceptable
[INFO] [stdout]    |
[INFO] [stdout] 4  |     takes_ownership(s.clone());
[INFO] [stdout]    |                      ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ownership_and_functions` (bin "ownership_and_functions" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "927066e1410a42ea583dcf5c84ae944863de92ba7cdb774056073f10c162d042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "927066e1410a42ea583dcf5c84ae944863de92ba7cdb774056073f10c162d042", kill_on_drop: false }`
[INFO] [stdout] 927066e1410a42ea583dcf5c84ae944863de92ba7cdb774056073f10c162d042
