[INFO] updating cached repository https://github.com/dave-leeper/rust_intro
[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] 839f4201713506a37d5c6d01ead4cbf92db61e5d
[INFO] checking dave-leeper/rust_intro against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdave-leeper%2Frust_intro" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dave-leeper/rust_intro on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dave-leeper/rust_intro
[INFO] finished tweaking git repo https://github.com/dave-leeper/rust_intro
[INFO] tweaked toml for git repo https://github.com/dave-leeper/rust_intro written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/dave-leeper/rust_intro 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ddb85553ca1bc508fec36f6ad60b80f414cebfea5f66f1e5ab3b14bd5fd0a15e
[INFO] running `Command { std: "docker" "start" "-a" "ddb85553ca1bc508fec36f6ad60b80f414cebfea5f66f1e5ab3b14bd5fd0a15e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddb85553ca1bc508fec36f6ad60b80f414cebfea5f66f1e5ab3b14bd5fd0a15e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddb85553ca1bc508fec36f6ad60b80f414cebfea5f66f1e5ab3b14bd5fd0a15e", kill_on_drop: false }`
[INFO] [stdout] ddb85553ca1bc508fec36f6ad60b80f414cebfea5f66f1e5ab3b14bd5fd0a15e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 988b6dbdeb56c94cae900a8e495710a33c1d7b075f8368ce04e16d0c29dad1b7
[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" "988b6dbdeb56c94cae900a8e495710a33c1d7b075f8368ce04e16d0c29dad1b7", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking intro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `define_an_error_type` in module `error_handling::multiple_error_types`
[INFO] [stdout]    --> src/main.rs:150:43
[INFO] [stdout]     |
[INFO] [stdout] 150 |     error_handling::multiple_error_types::define_an_error_type();
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^ not found in `error_handling::multiple_error_types`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/flow_control/loops/mod.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         'inner: loop {
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/flow_control/matches/mod.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |         n @ 1  ... 12 => println!("I'm a child of age {:?}", n),
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/flow_control/matches/mod.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 31 |         n @ 13 ... 19 => println!("I'm a teen of age {:?}", n),
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/functions/closures/mod.rs:189:23
[INFO] [stdout]     |
[INFO] [stdout] 189 | fn create_fn() -> Box<Fn()> {
[INFO] [stdout]     |                       ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/functions/closures/mod.rs:195:26
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn create_fnmut() -> Box<FnMut()> {
[INFO] [stdout]     |                          ^^^^^^^ help: use `dyn`: `dyn FnMut()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `define_an_error_type` in module `error_handling::multiple_error_types`
[INFO] [stdout]    --> src/main.rs:150:43
[INFO] [stdout]     |
[INFO] [stdout] 150 |     error_handling::multiple_error_types::define_an_error_type();
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^ not found in `error_handling::multiple_error_types`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/flow_control/loops/mod.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         'inner: loop {
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/flow_control/matches/mod.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |         n @ 1  ... 12 => println!("I'm a child of age {:?}", n),
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/flow_control/matches/mod.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 31 |         n @ 13 ... 19 => println!("I'm a teen of age {:?}", n),
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/functions/closures/mod.rs:189:23
[INFO] [stdout]     |
[INFO] [stdout] 189 | fn create_fn() -> Box<Fn()> {
[INFO] [stdout]     |                       ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/functions/closures/mod.rs:195:26
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn create_fnmut() -> Box<FnMut()> {
[INFO] [stdout]     |                          ^^^^^^^ help: use `dyn`: `dyn FnMut()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `intro`.
[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 previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "988b6dbdeb56c94cae900a8e495710a33c1d7b075f8368ce04e16d0c29dad1b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "988b6dbdeb56c94cae900a8e495710a33c1d7b075f8368ce04e16d0c29dad1b7", kill_on_drop: false }`
[INFO] [stdout] 988b6dbdeb56c94cae900a8e495710a33c1d7b075f8368ce04e16d0c29dad1b7