[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-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhassanin%2Frustlearning" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hassanin/rustlearning on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-4/source/Cargo.toml [INFO] crate git repo https://github.com/hassanin/rustlearning already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 527d9caed5547b513cf685e4d693afd82095cba179ae8ba87ca60061934b9dfc [INFO] running `Command { std: "docker" "start" "-a" "527d9caed5547b513cf685e4d693afd82095cba179ae8ba87ca60061934b9dfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "527d9caed5547b513cf685e4d693afd82095cba179ae8ba87ca60061934b9dfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "527d9caed5547b513cf685e4d693afd82095cba179ae8ba87ca60061934b9dfc", kill_on_drop: false }` [INFO] [stdout] 527d9caed5547b513cf685e4d693afd82095cba179ae8ba87ca60061934b9dfc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 220046e6357fbd6e9b5f0a35c74b969f46a7530fa31b7123588ec48c992dff4e [INFO] running `Command { std: "docker" "start" "-a" "220046e6357fbd6e9b5f0a35c74b969f46a7530fa31b7123588ec48c992dff4e", kill_on_drop: false }` [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 proc-macro2 v1.0.24 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling syn v1.0.58 [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> { [INFO] [stdout] | ^^^^^^^^^^^ help: indicate the anonymous lifetime: `Employee<'_, _>` [INFO] [stdout] | [INFO] [stdout] = note: assuming a `'static` lifetime... [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)]` 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0107]: this 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> { [INFO] [stdout] | ^^^^^^^^ - help: remove this 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[E0106]: missing lifetime specifier [INFO] [stdout] --> src/libraries/src/lib.rs:88:32 [INFO] [stdout] | [INFO] [stdout] 88 | type Output = Box>; [INFO] [stdout] | ^ expected named lifetime parameter [INFO] [stdout] | [INFO] [stdout] help: consider introducing a named lifetime parameter [INFO] [stdout] | [INFO] [stdout] 88 | type Output<'a> = Box>; [INFO] [stdout] | ++++ +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0121]: the placeholder `_` is not allowed within types on item signatures for implementations [INFO] [stdout] --> src/libraries/src/lib.rs:87:41 [INFO] [stdout] | [INFO] [stdout] 87 | impl FromStringMohamed for Box> { [INFO] [stdout] | ^ not allowed in type signatures [INFO] [stdout] | [INFO] [stdout] help: use type parameters instead [INFO] [stdout] | [INFO] [stdout] 87 | impl FromStringMohamed for Box> { [INFO] [stdout] | +++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0107]: this 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>; [INFO] [stdout] | ^^^^^^^^ - help: remove this 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[E0121]: the placeholder `_` is not allowed within types on item signatures for associated types [INFO] [stdout] --> src/libraries/src/lib.rs:88:32 [INFO] [stdout] | [INFO] [stdout] 88 | type Output = Box>; [INFO] [stdout] | ^ not allowed in type signatures [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0106, E0107, E0121. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0106`. [INFO] [stdout] [INFO] [stderr] error: could not compile `libraries` due to 7 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "220046e6357fbd6e9b5f0a35c74b969f46a7530fa31b7123588ec48c992dff4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "220046e6357fbd6e9b5f0a35c74b969f46a7530fa31b7123588ec48c992dff4e", kill_on_drop: false }` [INFO] [stdout] 220046e6357fbd6e9b5f0a35c74b969f46a7530fa31b7123588ec48c992dff4e