[INFO] cloning repository https://github.com/hasanhaja/rust_book_workthrough
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hasanhaja/rust_book_workthrough" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasanhaja%2Frust_book_workthrough", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasanhaja%2Frust_book_workthrough'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb94a901fa00cfef7e3484d23d28279d003a7cf0
[INFO] checking hasanhaja/rust_book_workthrough against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasanhaja%2Frust_book_workthrough" "/workspace/builds/worker-62/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-62/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hasanhaja/rust_book_workthrough on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hasanhaja/rust_book_workthrough
[INFO] finished tweaking git repo https://github.com/hasanhaja/rust_book_workthrough
[INFO] tweaked toml for git repo https://github.com/hasanhaja/rust_book_workthrough written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] crate git repo https://github.com/hasanhaja/rust_book_workthrough already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded rand v0.4.3
[INFO] [stderr]   Downloaded libc v0.2.43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 493c58ee4b39511db8e13c8839e52e1b87067b8fe0673c4bc093a4a5a34847c8
[INFO] running `Command { std: "docker" "start" "-a" "493c58ee4b39511db8e13c8839e52e1b87067b8fe0673c4bc093a4a5a34847c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "493c58ee4b39511db8e13c8839e52e1b87067b8fe0673c4bc093a4a5a34847c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "493c58ee4b39511db8e13c8839e52e1b87067b8fe0673c4bc093a4a5a34847c8", kill_on_drop: false }`
[INFO] [stdout] 493c58ee4b39511db8e13c8839e52e1b87067b8fe0673c4bc093a4a5a34847c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee5e04a713b71501ccac9b0fdc54082b363f1141e0c0ca7eb44d59d51753a15e
[INFO] running `Command { std: "docker" "start" "-a" "ee5e04a713b71501ccac9b0fdc54082b363f1141e0c0ca7eb44d59d51753a15e", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking rust_book_workthrough v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/main.rs (1 fix)
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Rectangle` in this scope
[INFO] [stdout]   --> src/main.rs:88:22
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let larger = Rectangle { width: 7, height: 8 };
[INFO] [stdout]    |                      ^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 41 |     use crate::structs::Rectangle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Rectangle` in this scope
[INFO] [stdout]   --> src/main.rs:89:23
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let smaller = Rectangle { width: 1, height: 5 };
[INFO] [stdout]    |                       ^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 41 |     use crate::structs::Rectangle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Rectangle` in this scope
[INFO] [stdout]   --> src/main.rs:96:22
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let larger = Rectangle { width: 7, height: 8 };
[INFO] [stdout]    |                      ^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 41 |     use crate::structs::Rectangle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Rectangle` in this scope
[INFO] [stdout]   --> src/main.rs:97:23
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let smaller = Rectangle { width: 1, height: 5 };
[INFO] [stdout]    |                       ^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 41 |     use crate::structs::Rectangle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Person`
[INFO] [stdout]  --> src/structs.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Person {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `area`
[INFO] [stdout]   --> src/structs.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn area(&self) -> f64 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `square`
[INFO] [stdout]   --> src/structs.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn square(size: u64) -> Rectangle {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `area`
[INFO] [stdout]   --> src/structs.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn area(&self) -> u64 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `can_hold`
[INFO] [stdout]   --> src/structs.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn can_hold(&self, other: &Rectangle) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Guess`
[INFO] [stdout]   --> src/main.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Guess {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/main.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(value: i32) -> Guess {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_book_workthrough` due to 5 previous errors
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "ee5e04a713b71501ccac9b0fdc54082b363f1141e0c0ca7eb44d59d51753a15e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee5e04a713b71501ccac9b0fdc54082b363f1141e0c0ca7eb44d59d51753a15e", kill_on_drop: false }`
[INFO] [stdout] ee5e04a713b71501ccac9b0fdc54082b363f1141e0c0ca7eb44d59d51753a15e