[INFO] cloning repository https://github.com/M-hassan-ch/rust-concepts-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/M-hassan-ch/rust-concepts-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM-hassan-ch%2Frust-concepts-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM-hassan-ch%2Frust-concepts-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3083022381fcd7fd27f1a24452e4c67e8760fdf3
[INFO] fixing M-hassan-ch/rust-concepts-playground 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%2FM-hassan-ch%2Frust-concepts-playground" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/M-hassan-ch/rust-concepts-playground
[INFO] finished tweaking git repo https://github.com/M-hassan-ch/rust-concepts-playground
[INFO] tweaked toml for git repo https://github.com/M-hassan-ch/rust-concepts-playground written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/M-hassan-ch/rust-concepts-playground 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/M-hassan-ch/rust-concepts-playground 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b20a56921900311beb9c097ac27c0f1c19495d180f437c958a31507c4715f4f9
[INFO] running `Command { std: "docker" "start" "b20a56921900311beb9c097ac27c0f1c19495d180f437c958a31507c4715f4f9", 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" "b20a56921900311beb9c097ac27c0f1c19495d180f437c958a31507c4715f4f9" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b20a56921900311beb9c097ac27c0f1c19495d180f437c958a31507c4715f4f9", 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" "b20a56921900311beb9c097ac27c0f1c19495d180f437c958a31507c4715f4f9" "/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 libc v0.2.177
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]     Checking tokio v1.50.0
[INFO] [stderr]     Checking learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0597]: `y` does not live long enough
[INFO] [stdout]   --> src/bin/lifetime.rs:9:29
[INFO] [stdout]    |
[INFO] [stdout]  7 |     let longest = {
[INFO] [stdout]    |         ------- borrow later stored here
[INFO] [stdout]  8 |         let y = "longest string".to_string();
[INFO] [stdout]    |             - binding `y` declared here
[INFO] [stdout]  9 |         get_longest_str(&x, &y)
[INFO] [stdout]    |                             ^^ borrowed value does not live long enough
[INFO] [stdout] 10 |     };
[INFO] [stdout]    |     - `y` dropped here while still borrowed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0597`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `learning` (bin "lifetime") due to 1 previous error
[INFO] [stdout] warning: unused variable: `thread_1`
[INFO] [stdout]  --> src/bin/thread.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let thread_1 = thread::spawn(|| {
[INFO] [stdout]   |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread_1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `thread_2`
[INFO] [stdout]   --> src/bin/thread.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let thread_2 = thread::spawn(|| {
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `learning` (bin "lifetime" test) due to 1 previous error
[INFO] [stdout] error[E0597]: `y` does not live long enough
[INFO] [stdout]   --> src/bin/lifetime.rs:9:29
[INFO] [stdout]    |
[INFO] [stdout]  7 |     let longest = {
[INFO] [stdout]    |         ------- borrow later stored here
[INFO] [stdout]  8 |         let y = "longest string".to_string();
[INFO] [stdout]    |             - binding `y` declared here
[INFO] [stdout]  9 |         get_longest_str(&x, &y)
[INFO] [stdout]    |                             ^^ borrowed value does not live long enough
[INFO] [stdout] 10 |     };
[INFO] [stdout]    |     - `y` dropped here while still borrowed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0597`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b20a56921900311beb9c097ac27c0f1c19495d180f437c958a31507c4715f4f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b20a56921900311beb9c097ac27c0f1c19495d180f437c958a31507c4715f4f9", kill_on_drop: false }`
[INFO] [stdout] b20a56921900311beb9c097ac27c0f1c19495d180f437c958a31507c4715f4f9
