[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] checking hassanin/rustlearning against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhassanin%2Frustlearning" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hassanin/rustlearning on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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-0-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 440c005f3e69836506a115d375d7f26f4e66b3c9f33dacae55b05bb53225b949 [INFO] running `Command { std: "docker" "start" "-a" "440c005f3e69836506a115d375d7f26f4e66b3c9f33dacae55b05bb53225b949", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "440c005f3e69836506a115d375d7f26f4e66b3c9f33dacae55b05bb53225b949", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "440c005f3e69836506a115d375d7f26f4e66b3c9f33dacae55b05bb53225b949", kill_on_drop: false }` [INFO] [stdout] 440c005f3e69836506a115d375d7f26f4e66b3c9f33dacae55b05bb53225b949 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0b288ea54b7b0252765dd03e54130f5dd15249c32e872724da16e8dc6cdf1f70 [INFO] running `Command { std: "docker" "start" "-a" "0b288ea54b7b0252765dd03e54130f5dd15249c32e872724da16e8dc6cdf1f70", kill_on_drop: false }` [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Checking serde_json v1.0.61 [INFO] [stderr] Checking 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] | ^^^^^^^^^^^ expected lifetime parameter [INFO] [stdout] | [INFO] [stdout] help: indicate the anonymous lifetime [INFO] [stdout] | [INFO] [stdout] 87 | impl FromStringMohamed for Box> { [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>; [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[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> { [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 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]: 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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0106, E0107, E0121, 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 7 previous errors [INFO] running `Command { std: "docker" "inspect" "0b288ea54b7b0252765dd03e54130f5dd15249c32e872724da16e8dc6cdf1f70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b288ea54b7b0252765dd03e54130f5dd15249c32e872724da16e8dc6cdf1f70", kill_on_drop: false }` [INFO] [stdout] 0b288ea54b7b0252765dd03e54130f5dd15249c32e872724da16e8dc6cdf1f70 [INFO] checking hassanin/rustlearning against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhassanin%2Frustlearning" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hassanin/rustlearning on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "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-0-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4947b7b6af5fbf472e7fedd5d783776631cc6738128d52af6b58fe2ec9f3fc57 [INFO] running `Command { std: "docker" "start" "-a" "4947b7b6af5fbf472e7fedd5d783776631cc6738128d52af6b58fe2ec9f3fc57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4947b7b6af5fbf472e7fedd5d783776631cc6738128d52af6b58fe2ec9f3fc57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4947b7b6af5fbf472e7fedd5d783776631cc6738128d52af6b58fe2ec9f3fc57", kill_on_drop: false }` [INFO] [stdout] 4947b7b6af5fbf472e7fedd5d783776631cc6738128d52af6b58fe2ec9f3fc57 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c9cf73e63cf08ca8acbca2fc64d97ec43de971a29038923704eae4fb8aa792cb [INFO] running `Command { std: "docker" "start" "-a" "c9cf73e63cf08ca8acbca2fc64d97ec43de971a29038923704eae4fb8aa792cb", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] skipping non-2021 edition `2018` [INFO] running `Command { std: "docker" "inspect" "c9cf73e63cf08ca8acbca2fc64d97ec43de971a29038923704eae4fb8aa792cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9cf73e63cf08ca8acbca2fc64d97ec43de971a29038923704eae4fb8aa792cb", kill_on_drop: false }` [INFO] [stdout] c9cf73e63cf08ca8acbca2fc64d97ec43de971a29038923704eae4fb8aa792cb