[INFO] cloning repository https://github.com/zineyu/learn_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zineyu/learn_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzineyu%2Flearn_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzineyu%2Flearn_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38a651f45e2ea9990230f63e38391c0dabe9866a
[INFO] fixing zineyu/learn_rust 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%2Fzineyu%2Flearn_rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zineyu/learn_rust
[INFO] finished tweaking git repo https://github.com/zineyu/learn_rust
[INFO] tweaked toml for git repo https://github.com/zineyu/learn_rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zineyu/learn_rust 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/zineyu/learn_rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 41466bdb1286b6dc890986a494e681ebd1b08d7f264ec5742bbf052bb4c491f0
[INFO] running `Command { std: "docker" "start" "41466bdb1286b6dc890986a494e681ebd1b08d7f264ec5742bbf052bb4c491f0", 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" "41466bdb1286b6dc890986a494e681ebd1b08d7f264ec5742bbf052bb4c491f0" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41466bdb1286b6dc890986a494e681ebd1b08d7f264ec5742bbf052bb4c491f0", 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" "41466bdb1286b6dc890986a494e681ebd1b08d7f264ec5742bbf052bb4c491f0" "/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]    Compiling getrandom v0.4.2
[INFO] [stderr]     Checking rand_core v0.10.1
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]     Checking scoped-par-map v0.1.0 (/opt/rustwide/workdir/scoped-par-map)
[INFO] [stderr]     Checking combinator-pipeline v0.1.0 (/opt/rustwide/workdir/combinator-pipeline)
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking rc-graph v0.1.0 (/opt/rustwide/workdir/rc-graph)
[INFO] [stderr]     Checking generic-fifo-cache v0.1.0 (/opt/rustwide/workdir/generic-fifo-cache)
[INFO] [stderr]     Checking type-state-traffic-light v0.1.0 (/opt/rustwide/workdir/type-state-traffic-light)
[INFO] [stderr]     Checking generic-repository v0.1.0 (/opt/rustwide/workdir/generic-repository)
[INFO] [stderr]     Checking imperative-to-functional v0.1.0 (/opt/rustwide/workdir/imperative-to-functional)
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking phantom-measurements v0.1.0 (/opt/rustwide/workdir/phantom-measurements)
[INFO] [stdout] warning: unused variable: `light`
[INFO] [stdout]   --> type-state-traffic-light/src/main.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let light = light.stop();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_light`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `light`
[INFO] [stdout]   --> type-state-traffic-light/src/main.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let light = light.stop();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_light`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Server` in this scope
[INFO] [stdout]  --> imperative-to-functional/src/main.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn summarize_fleet(fleet: &[Server]) -> FleetSummary {
[INFO] [stdout]   |                             ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `FleetSummary` in this scope
[INFO] [stdout]  --> imperative-to-functional/src/main.rs:1:41
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn summarize_fleet(fleet: &[Server]) -> FleetSummary {
[INFO] [stdout]   |                                         ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `FleetSummary` in this scope
[INFO] [stdout]   --> imperative-to-functional/src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     FleetSummary {
[INFO] [stdout]    |     ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Kilograms` is never constructed
[INFO] [stdout]   --> phantom-measurements/src/main.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Kilograms {}
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stdout] error[E0433]: cannot find type `Health` in this scope
[INFO] [stdout]   --> imperative-to-functional/src/main.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |             Health::Healthy => healthy.push(server.id.clone()),
[INFO] [stdout]    |             ^^^^^^ use of undeclared type `Health`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Health` in this scope
[INFO] [stdout]   --> imperative-to-functional/src/main.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |             Health::Degraded(reason) => degraded.push((server.id.clone(), reason)),
[INFO] [stdout]    |             ^^^^^^ use of undeclared type `Health`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Health` in this scope
[INFO] [stdout]   --> imperative-to-functional/src/main.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |             Health::Failed(err) => failed.push((server.id.clone(), err)),
[INFO] [stdout]    |             ^^^^^^ use of undeclared type `Health`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `imperative-to-functional` (bin "imperative-to-functional" test) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `Kilograms` is never constructed
[INFO] [stdout]   --> phantom-measurements/src/main.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Kilograms {}
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `light`
[INFO] [stdout]   --> type-state-traffic-light/src/main.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let light = light.stop();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_light`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `light`
[INFO] [stdout]   --> type-state-traffic-light/src/main.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let light = light.stop();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_light`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Server` in this scope
[INFO] [stdout]  --> imperative-to-functional/src/main.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn summarize_fleet(fleet: &[Server]) -> FleetSummary {
[INFO] [stdout]   |                             ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `FleetSummary` in this scope
[INFO] [stdout]  --> imperative-to-functional/src/main.rs:1:41
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn summarize_fleet(fleet: &[Server]) -> FleetSummary {
[INFO] [stdout]   |                                         ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `FleetSummary` in this scope
[INFO] [stdout]   --> imperative-to-functional/src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     FleetSummary {
[INFO] [stdout]    |     ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Health` in this scope
[INFO] [stdout]   --> imperative-to-functional/src/main.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |             Health::Healthy => healthy.push(server.id.clone()),
[INFO] [stdout]    |             ^^^^^^ use of undeclared type `Health`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Health` in this scope
[INFO] [stdout]   --> imperative-to-functional/src/main.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |             Health::Degraded(reason) => degraded.push((server.id.clone(), reason)),
[INFO] [stdout]    |             ^^^^^^ use of undeclared type `Health`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Health` in this scope
[INFO] [stdout]   --> imperative-to-functional/src/main.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |             Health::Failed(err) => failed.push((server.id.clone(), err)),
[INFO] [stdout]    |             ^^^^^^ use of undeclared type `Health`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `imperative-to-functional` (bin "imperative-to-functional") due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "41466bdb1286b6dc890986a494e681ebd1b08d7f264ec5742bbf052bb4c491f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41466bdb1286b6dc890986a494e681ebd1b08d7f264ec5742bbf052bb4c491f0", kill_on_drop: false }`
[INFO] [stdout] 41466bdb1286b6dc890986a494e681ebd1b08d7f264ec5742bbf052bb4c491f0
