[INFO] cloning repository https://github.com/hassanin/rustlearning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hassanin/rustlearning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhassanin%2Frustlearning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhassanin%2Frustlearning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df44adf37d1f0527545ac1494fc05a4b24e36d1e
[INFO] testing hassanin/rustlearning against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhassanin%2Frustlearning" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hassanin/rustlearning
[INFO] finished tweaking git repo https://github.com/hassanin/rustlearning
[INFO] tweaked toml for git repo https://github.com/hassanin/rustlearning written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hassanin/rustlearning on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hassanin/rustlearning 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62f48eef65183e3b2b52b4243ee56188b6a6e178119bd40aaccce5ea99f022cc
[INFO] running `Command { std: "docker" "start" "-a" "62f48eef65183e3b2b52b4243ee56188b6a6e178119bd40aaccce5ea99f022cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62f48eef65183e3b2b52b4243ee56188b6a6e178119bd40aaccce5ea99f022cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62f48eef65183e3b2b52b4243ee56188b6a6e178119bd40aaccce5ea99f022cc", kill_on_drop: false }`
[INFO] [stdout] 62f48eef65183e3b2b52b4243ee56188b6a6e178119bd40aaccce5ea99f022cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24361f4f7e5bb4d1078344b7468567a9461c1581935a6c41961a7f3bbb1aed5a
[INFO] running `Command { std: "docker" "start" "-a" "24361f4f7e5bb4d1078344b7468567a9461c1581935a6c41961a7f3bbb1aed5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling libraries v0.1.0 (/opt/rustwide/workdir/src/libraries)
[INFO] [stdout] error[E0726]: implicit elided lifetime not allowed here
[INFO] [stdout]   --> src/libraries/src/lib.rs:87:32
[INFO] [stdout]    |
[INFO] [stdout] 87 | impl FromStringMohamed for Box<Employee<_>> {
[INFO] [stdout]    |                                ^^^^^^^^^^^ expected lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: indicate the anonymous lifetime
[INFO] [stdout]    |
[INFO] [stdout] 87 | impl FromStringMohamed for Box<Employee<'_, _>> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/libraries/src/lib.rs:88:31
[INFO] [stdout]    |
[INFO] [stdout] 88 |     type Output = Box<Employee<_>>;
[INFO] [stdout]    |                               ^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing a named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] 87 ~ impl<'a> FromStringMohamed for Box<Employee<_>> {
[INFO] [stdout] 88 ~     type Output = Box<Employee<'a, _>>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Output`
[INFO] [stdout]  --> src/libraries/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::process::Output;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `myCustom` should have an upper camel case name
[INFO] [stdout]   --> src/libraries/src/lib.rs:72:11
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub trait myCustom {
[INFO] [stdout]    |           ^^^^^^^^ help: convert the identifier to upper camel case: `MyCustom`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: struct takes 0 generic arguments but 1 generic argument was supplied
[INFO] [stdout]   --> src/libraries/src/lib.rs:87:32
[INFO] [stdout]    |
[INFO] [stdout] 87 | impl FromStringMohamed for Box<Employee<_>> {
[INFO] [stdout]    |                                ^^^^^^^^ - help: remove the unnecessary generic argument
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                expected 0 generic arguments
[INFO] [stdout]    |
[INFO] [stdout] note: struct defined here, with 0 generic parameters
[INFO] [stdout]   --> src/libraries/src/lib.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Employee<'a> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: struct takes 0 generic arguments but 1 generic argument was supplied
[INFO] [stdout]   --> src/libraries/src/lib.rs:88:23
[INFO] [stdout]    |
[INFO] [stdout] 88 |     type Output = Box<Employee<_>>;
[INFO] [stdout]    |                       ^^^^^^^^ - help: remove the unnecessary generic argument
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       expected 0 generic arguments
[INFO] [stdout]    |
[INFO] [stdout] note: struct defined here, with 0 generic parameters
[INFO] [stdout]   --> src/libraries/src/lib.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Employee<'a> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0106, E0107, E0726.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0106`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libraries` (lib) due to 4 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "24361f4f7e5bb4d1078344b7468567a9461c1581935a6c41961a7f3bbb1aed5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24361f4f7e5bb4d1078344b7468567a9461c1581935a6c41961a7f3bbb1aed5a", kill_on_drop: false }`
[INFO] [stdout] 24361f4f7e5bb4d1078344b7468567a9461c1581935a6c41961a7f3bbb1aed5a
