[INFO] cloning repository https://github.com/archer884/recurrence_relations
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/archer884/recurrence_relations" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Frecurrence_relations"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Frecurrence_relations'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 14992ef303c8f03fffeea98752916315be42fe23
[INFO] checking archer884/recurrence_relations against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Frecurrence_relations" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/archer884/recurrence_relations on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/archer884/recurrence_relations
[INFO] finished tweaking git repo https://github.com/archer884/recurrence_relations
[INFO] tweaked toml for git repo https://github.com/archer884/recurrence_relations written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/archer884/recurrence_relations already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/kbknapp/clap-rs`
[INFO] [stderr]     Updating git repository `https://github.com/clap-rs/clap_derive`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3a9787a224b73124dc21bc8aeec8457a021d7fdcc4a6f145dd690da5d01b1217
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "3a9787a224b73124dc21bc8aeec8457a021d7fdcc4a6f145dd690da5d01b1217"`
[INFO] [stderr]    Compiling clap_derive v0.3.0 (https://github.com/clap-rs/clap_derive#4a46684b)
[INFO] [stderr]     Checking clap v3.0.0-beta.1 (https://github.com/kbknapp/clap-rs#daef001b)
[INFO] [stderr]     Checking recurrence_relations v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `super::Instruction`
[INFO] [stderr]    --> src/main.rs:123:17
[INFO] [stderr]     |
[INFO] [stderr] 123 |     use super::{Instruction, Operation};
[INFO] [stderr]     |                 ^^^^^^^^^^^ no `Instruction` in the root
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Operation`
[INFO] [stderr]    --> src/main.rs:123:30
[INFO] [stderr]     |
[INFO] [stderr] 123 |     use super::{Instruction, Operation};
[INFO] [stderr]     |                              ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:63:21
[INFO] [stderr]    |
[INFO] [stderr] 63 |              .short("s")
[INFO] [stderr]    |                     ^^^ expected char, found reference
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `char`
[INFO] [stderr]               found type `&'static str`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:63:21
[INFO] [stderr]    |
[INFO] [stderr] 63 |              .short("s")
[INFO] [stderr]    |                     ^^^ expected char, found reference
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `char`
[INFO] [stderr]               found type `&'static str`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:68:21
[INFO] [stderr]    |
[INFO] [stderr] 68 |              .short("c")
[INFO] [stderr]    |                     ^^^ expected char, found reference
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `char`
[INFO] [stderr]               found type `&'static str`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:68:21
[INFO] [stderr]    |
[INFO] [stderr] 68 |              .short("c")
[INFO] [stderr]    |                     ^^^ expected char, found reference
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `char`
[INFO] [stderr]               found type `&'static str`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:73:21
[INFO] [stderr]    |
[INFO] [stderr] 73 |              .short("o")
[INFO] [stderr]    |                     ^^^ expected char, found reference
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `char`
[INFO] [stderr]               found type `&'static str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `iter` found for type `clap::Values<'_>` in the current scope
[INFO] [stderr]    --> src/main.rs:107:32
[INFO] [stderr]     |
[INFO] [stderr] 107 |         Some(values) => values.iter().filter_map(|s| s.parse().ok()).collect(),
[INFO] [stderr]     |                                ^^^^ private field, not a method
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:73:21
[INFO] [stderr]    |
[INFO] [stderr] 73 |              .short("o")
[INFO] [stderr]    |                     ^^^ expected char, found reference
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `char`
[INFO] [stderr]               found type `&'static str`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `iter` found for type `clap::Values<'_>` in the current scope
[INFO] [stderr]    --> src/main.rs:107:32
[INFO] [stderr]     |
[INFO] [stderr] 107 |         Some(values) => values.iter().filter_map(|s| s.parse().ok()).collect(),
[INFO] [stderr]     |                                ^^^^ private field, not a method
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `recurrence_relations`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `recurrence_relations`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3a9787a224b73124dc21bc8aeec8457a021d7fdcc4a6f145dd690da5d01b1217"`
[INFO] running `"docker" "rm" "-f" "3a9787a224b73124dc21bc8aeec8457a021d7fdcc4a6f145dd690da5d01b1217"`
[INFO] [stdout] 3a9787a224b73124dc21bc8aeec8457a021d7fdcc4a6f145dd690da5d01b1217