[INFO] updating cached repository https://github.com/fisherdarling/cargo-light
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e64fddc5f452a159504bc9c505c8743d29baf194
[INFO] checking fisherdarling/cargo-light against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffisherdarling%2Fcargo-light" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fisherdarling/cargo-light on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fisherdarling/cargo-light
[INFO] finished tweaking git repo https://github.com/fisherdarling/cargo-light
[INFO] tweaked toml for git repo https://github.com/fisherdarling/cargo-light written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/fisherdarling/cargo-light already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ffd54b49694a485f62adcef5f1178be362cbb14a5968a183a91d525ee0d81b2f
[INFO] running `"docker" "start" "-a" "ffd54b49694a485f62adcef5f1178be362cbb14a5968a183a91d525ee0d81b2f"`
[INFO] [stderr]     Checking proc-macro2 v0.4.9
[INFO] [stderr]     Checking walkdir v2.1.4
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking quote v0.6.4
[INFO] [stderr]     Checking syn v0.14.6
[INFO] [stderr]     Checking cargo-light v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0599]: no method named `start` found for type `proc_macro2::Span` in the current scope
[INFO] [stderr]    --> src/main.rs:142:28
[INFO] [stderr]     |
[INFO] [stderr] 142 |             i.ident.span().start().line,
[INFO] [stderr]     |                            ^^^^^ method not found in `proc_macro2::Span`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `start` found for type `proc_macro2::Span` in the current scope
[INFO] [stderr]    --> src/main.rs:152:32
[INFO] [stderr]     |
[INFO] [stderr] 152 |             i.sig.ident.span().start().line,
[INFO] [stderr]     |                                ^^^^^ method not found in `proc_macro2::Span`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `start` found for type `proc_macro2::Span` in the current scope
[INFO] [stderr]    --> src/main.rs:173:48
[INFO] [stderr]     |
[INFO] [stderr] 173 |                     ids.get(0).unwrap().span().start().line
[INFO] [stderr]     |                                                ^^^^^ method not found in `proc_macro2::Span`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `start` found for type `proc_macro2::Span` in the current scope
[INFO] [stderr]    --> src/main.rs:180:37
[INFO] [stderr]     |
[INFO] [stderr] 180 |                 let line = i.span().start().line;
[INFO] [stderr]     |                                     ^^^^^ method not found in `proc_macro2::Span`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `cargo-light`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `start` found for type `proc_macro2::Span` in the current scope
[INFO] [stderr]    --> src/main.rs:142:28
[INFO] [stderr]     |
[INFO] [stderr] 142 |             i.ident.span().start().line,
[INFO] [stderr]     |                            ^^^^^ method not found in `proc_macro2::Span`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `start` found for type `proc_macro2::Span` in the current scope
[INFO] [stderr]    --> src/main.rs:152:32
[INFO] [stderr]     |
[INFO] [stderr] 152 |             i.sig.ident.span().start().line,
[INFO] [stderr]     |                                ^^^^^ method not found in `proc_macro2::Span`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `start` found for type `proc_macro2::Span` in the current scope
[INFO] [stderr]    --> src/main.rs:173:48
[INFO] [stderr]     |
[INFO] [stderr] 173 |                     ids.get(0).unwrap().span().start().line
[INFO] [stderr]     |                                                ^^^^^ method not found in `proc_macro2::Span`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `start` found for type `proc_macro2::Span` in the current scope
[INFO] [stderr]    --> src/main.rs:180:37
[INFO] [stderr]     |
[INFO] [stderr] 180 |                 let line = i.span().start().line;
[INFO] [stderr]     |                                     ^^^^^ method not found in `proc_macro2::Span`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `cargo-light`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ffd54b49694a485f62adcef5f1178be362cbb14a5968a183a91d525ee0d81b2f"`
[INFO] running `"docker" "rm" "-f" "ffd54b49694a485f62adcef5f1178be362cbb14a5968a183a91d525ee0d81b2f"`
[INFO] [stdout] ffd54b49694a485f62adcef5f1178be362cbb14a5968a183a91d525ee0d81b2f