[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#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffisherdarling%2Fcargo-light" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fisherdarling/cargo-light on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-14/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-14/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" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v0.6.4
[INFO] [stderr]   Downloaded syn v0.14.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06ad5d3d8d9235693b690de9b1db95ff4f0774c0448461e66b89353b151aa61d
[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" "06ad5d3d8d9235693b690de9b1db95ff4f0774c0448461e66b89353b151aa61d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06ad5d3d8d9235693b690de9b1db95ff4f0774c0448461e66b89353b151aa61d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06ad5d3d8d9235693b690de9b1db95ff4f0774c0448461e66b89353b151aa61d", kill_on_drop: false }`
[INFO] [stdout] 06ad5d3d8d9235693b690de9b1db95ff4f0774c0448461e66b89353b151aa61d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8f5d35bee9e7f81bce68360e874892dc571c4364865ab26b8b8acc161b1461e
[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" "b8f5d35bee9e7f81bce68360e874892dc571c4364865ab26b8b8acc161b1461e", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking same-file v1.0.2
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking proc-macro2 v0.4.9
[INFO] [stderr]     Checking textwrap v0.10.0
[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 `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: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: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: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: 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: 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: 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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b8f5d35bee9e7f81bce68360e874892dc571c4364865ab26b8b8acc161b1461e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8f5d35bee9e7f81bce68360e874892dc571c4364865ab26b8b8acc161b1461e", kill_on_drop: false }`
[INFO] [stdout] b8f5d35bee9e7f81bce68360e874892dc571c4364865ab26b8b8acc161b1461e