[INFO] updating cached repository https://github.com/fisherdarling/cargo-light
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e64fddc5f452a159504bc9c505c8743d29baf194
[INFO] checking fisherdarling/cargo-light against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffisherdarling%2Fcargo-light" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fisherdarling/cargo-light on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/.cargo/config
[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-1/source/Cargo.toml
[INFO] crate git repo https://github.com/fisherdarling/cargo-light already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f6c883085bfdadf4ed5baa781d84302e7ff6efb3b5f3ecca607a124ae81fdc7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5f6c883085bfdadf4ed5baa781d84302e7ff6efb3b5f3ecca607a124ae81fdc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f6c883085bfdadf4ed5baa781d84302e7ff6efb3b5f3ecca607a124ae81fdc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f6c883085bfdadf4ed5baa781d84302e7ff6efb3b5f3ecca607a124ae81fdc7", kill_on_drop: false }`
[INFO] [stdout] 5f6c883085bfdadf4ed5baa781d84302e7ff6efb3b5f3ecca607a124ae81fdc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b74fda224b0909ac1ff5e649ca3c50cd9d517ea1ff84631e5d5ef1ece1df4d0e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b74fda224b0909ac1ff5e649ca3c50cd9d517ea1ff84631e5d5ef1ece1df4d0e", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking same-file v1.0.2
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking proc-macro2 v0.4.9
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking walkdir v2.1.4
[INFO] [stderr]     Checking quote v0.6.4
[INFO] [stderr]     Checking syn v0.14.6
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking cargo-light v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `start` found for struct `proc_macro2::Span` in the current scope
[INFO] [stdout]    --> src/main.rs:142:28
[INFO] [stdout]     |
[INFO] [stdout] 142 |             i.ident.span().start().line,
[INFO] [stdout]     |                            ^^^^^ method not found in `proc_macro2::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `start` found for struct `proc_macro2::Span` in the current scope
[INFO] [stdout]    --> src/main.rs:152:32
[INFO] [stdout]     |
[INFO] [stdout] 152 |             i.sig.ident.span().start().line,
[INFO] [stdout]     |                                ^^^^^ method not found in `proc_macro2::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `start` found for struct `proc_macro2::Span` in the current scope
[INFO] [stdout]    --> src/main.rs:173:48
[INFO] [stdout]     |
[INFO] [stdout] 173 |                     ids.get(0).unwrap().span().start().line
[INFO] [stdout]     |                                                ^^^^^ method not found in `proc_macro2::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `start` found for struct `proc_macro2::Span` in the current scope
[INFO] [stdout]    --> src/main.rs:180:37
[INFO] [stdout]     |
[INFO] [stdout] 180 |                 let line = i.span().start().line;
[INFO] [stdout]     |                                     ^^^^^ method not found in `proc_macro2::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `start` found for struct `proc_macro2::Span` in the current scope
[INFO] [stdout]    --> src/main.rs:142:28
[INFO] [stdout]     |
[INFO] [stdout] 142 |             i.ident.span().start().line,
[INFO] [stdout]     |                            ^^^^^ method not found in `proc_macro2::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `start` found for struct `proc_macro2::Span` in the current scope
[INFO] [stdout]    --> src/main.rs:152:32
[INFO] [stdout]     |
[INFO] [stdout] 152 |             i.sig.ident.span().start().line,
[INFO] [stdout]     |                                ^^^^^ method not found in `proc_macro2::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `start` found for struct `proc_macro2::Span` in the current scope
[INFO] [stdout]    --> src/main.rs:173:48
[INFO] [stdout]     |
[INFO] [stdout] 173 |                     ids.get(0).unwrap().span().start().line
[INFO] [stdout]     |                                                ^^^^^ method not found in `proc_macro2::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `start` found for struct `proc_macro2::Span` in the current scope
[INFO] [stdout]    --> src/main.rs:180:37
[INFO] [stdout]     |
[INFO] [stdout] 180 |                 let line = i.span().start().line;
[INFO] [stdout]     |                                     ^^^^^ method not found in `proc_macro2::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-light`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b74fda224b0909ac1ff5e649ca3c50cd9d517ea1ff84631e5d5ef1ece1df4d0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b74fda224b0909ac1ff5e649ca3c50cd9d517ea1ff84631e5d5ef1ece1df4d0e", kill_on_drop: false }`
[INFO] [stdout] b74fda224b0909ac1ff5e649ca3c50cd9d517ea1ff84631e5d5ef1ece1df4d0e