[INFO] cloning 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" "clone" "--bare" "https://github.com/fisherdarling/cargo-light" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffisherdarling%2Fcargo-light", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffisherdarling%2Fcargo-light'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e64fddc5f452a159504bc9c505c8743d29baf194
[INFO] checking fisherdarling/cargo-light against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffisherdarling%2Fcargo-light" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fisherdarling/cargo-light on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/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-6/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" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 722b3820afc6ece18ccfdf305f97088c5f9840a04db1c637df628b7434d343fb
[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" "722b3820afc6ece18ccfdf305f97088c5f9840a04db1c637df628b7434d343fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "722b3820afc6ece18ccfdf305f97088c5f9840a04db1c637df628b7434d343fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "722b3820afc6ece18ccfdf305f97088c5f9840a04db1c637df628b7434d343fb", kill_on_drop: false }`
[INFO] [stdout] 722b3820afc6ece18ccfdf305f97088c5f9840a04db1c637df628b7434d343fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--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] 05940b2e81d4d430689e798fec04c617469617ba5773d6437c4a8fe6df36523a
[INFO] running `Command { std: "docker" "start" "-a" "05940b2e81d4d430689e798fec04c617469617ba5773d6437c4a8fe6df36523a", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking same-file v1.0.2
[INFO] [stderr]     Checking lazy_static v1.0.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking proc-macro2 v0.4.9
[INFO] [stderr]     Checking walkdir v2.1.4
[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] [stdout] error[E0599]: no method named `start` found for struct `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 `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `start` found for struct `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 `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `start` found for struct `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 `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `start` found for struct `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 `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `start` found for struct `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 `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `start` found for struct `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 `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `start` found for struct `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 `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `start` found for struct `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 `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-light`
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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" "05940b2e81d4d430689e798fec04c617469617ba5773d6437c4a8fe6df36523a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05940b2e81d4d430689e798fec04c617469617ba5773d6437c4a8fe6df36523a", kill_on_drop: false }`
[INFO] [stdout] 05940b2e81d4d430689e798fec04c617469617ba5773d6437c4a8fe6df36523a