[INFO] cloning repository https://github.com/maciejhirsz/sub0_examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maciejhirsz/sub0_examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaciejhirsz%2Fsub0_examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaciejhirsz%2Fsub0_examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 709cb5d450f99c8f38cf7e77a88f80a79589004d
[INFO] checking maciejhirsz/sub0_examples against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaciejhirsz%2Fsub0_examples" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maciejhirsz/sub0_examples on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maciejhirsz/sub0_examples
[INFO] finished tweaking git repo https://github.com/maciejhirsz/sub0_examples
[INFO] tweaked toml for git repo https://github.com/maciejhirsz/sub0_examples written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/maciejhirsz/sub0_examples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", 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] f60e3b7f4e1c1b752c789cad7f5b7dba90b6aa819b1517375908297db249f058
[INFO] running `Command { std: "docker" "start" "-a" "f60e3b7f4e1c1b752c789cad7f5b7dba90b6aa819b1517375908297db249f058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f60e3b7f4e1c1b752c789cad7f5b7dba90b6aa819b1517375908297db249f058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f60e3b7f4e1c1b752c789cad7f5b7dba90b6aa819b1517375908297db249f058", kill_on_drop: false }`
[INFO] [stdout] f60e3b7f4e1c1b752c789cad7f5b7dba90b6aa819b1517375908297db249f058
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 09afe9e3df0001a6e4bfe57b798fc1abae14b43b9759908ce08c3045e6f262cf
[INFO] running `Command { std: "docker" "start" "-a" "09afe9e3df0001a6e4bfe57b798fc1abae14b43b9759908ce08c3045e6f262cf", kill_on_drop: false }`
[INFO] [stderr]     Checking sub0 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `do_work` found for struct `Add5<'_>` in the current scope
[INFO] [stdout]   --> src/ch6_associated_types.rs:22:29
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Add5<'a>(&'a str);
[INFO] [stdout]    | ------------------------- method `do_work` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 22 |     let life = Add5(&input).do_work()?;
[INFO] [stdout]    |                             ^^^^^^^ method not found in `Add5<'_>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `DoWork` defines an item `do_work`, perhaps you need to implement it
[INFO] [stdout]   --> src/ch6_associated_types.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | trait DoWork {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `do_work` found for struct `Add5<'_>` in the current scope
[INFO] [stdout]   --> src/ch6_associated_types.rs:22:29
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Add5<'a>(&'a str);
[INFO] [stdout]    | ------------------------- method `do_work` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 22 |     let life = Add5(&input).do_work()?;
[INFO] [stdout]    |                             ^^^^^^^ method not found in `Add5<'_>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `DoWork` defines an item `do_work`, perhaps you need to implement it
[INFO] [stdout]   --> src/ch6_associated_types.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | trait DoWork {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sub0`
[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" "09afe9e3df0001a6e4bfe57b798fc1abae14b43b9759908ce08c3045e6f262cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09afe9e3df0001a6e4bfe57b798fc1abae14b43b9759908ce08c3045e6f262cf", kill_on_drop: false }`
[INFO] [stdout] 09afe9e3df0001a6e4bfe57b798fc1abae14b43b9759908ce08c3045e6f262cf