Nov 16 08:28:40.312 INFO testing wezm/rust-intro-talk against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 08:28:40.312 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 16 08:28:40.567 INFO [stdout] d63ab89b79cf6bf0305f769900b413339209a731ea86a50abc131b93e41fbd33
Nov 16 08:28:40.574 INFO running `"docker" "start" "-a" "d63ab89b79cf6bf0305f769900b413339209a731ea86a50abc131b93e41fbd33"`
Nov 16 08:28:41.946 INFO [stderr] usermod: no changes
Nov 16 08:28:42.115 INFO [stderr]    Compiling libc v0.2.35
Nov 16 08:28:42.116 INFO [stderr]    Compiling serde v1.0.27
Nov 16 08:28:42.116 INFO [stderr]    Compiling pulldown-cmark v0.1.0
Nov 16 08:28:42.116 INFO [stderr]    Compiling serde_derive_internals v0.19.0
Nov 16 08:28:46.933 INFO [stderr]    Compiling backtrace-sys v0.1.16
Nov 16 08:28:47.007 INFO [stderr]    Compiling rand v0.3.19
Nov 16 08:28:47.279 INFO [stderr]    Compiling serde_derive v1.0.27
Nov 16 08:28:47.363 INFO [stderr]    Compiling backtrace v0.3.5
Nov 16 08:28:51.607 INFO [stderr]    Compiling error-chain v0.11.0
Nov 16 08:28:54.447 INFO [stderr]    Compiling tempdir v0.3.5
Nov 16 08:29:05.874 INFO [stderr]    Compiling semver v0.8.0
Nov 16 08:29:05.880 INFO [stderr]    Compiling serde_json v1.0.9
Nov 16 08:29:10.879 INFO [stderr]    Compiling cargo_metadata v0.3.3
Nov 16 08:29:14.210 INFO [stderr]    Compiling skeptic v0.13.2
Nov 16 08:29:16.875 INFO [stderr]    Compiling demo v0.1.0 (/source)
Nov 16 08:29:18.971 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.99s
Nov 16 08:29:18.976 INFO [stderr] su: No module specific data is present
Nov 16 08:29:19.648 INFO running `"docker" "inspect" "d63ab89b79cf6bf0305f769900b413339209a731ea86a50abc131b93e41fbd33"`
Nov 16 08:29:19.887 INFO running `"docker" "rm" "-f" "d63ab89b79cf6bf0305f769900b413339209a731ea86a50abc131b93e41fbd33"`
Nov 16 08:29:20.243 INFO [stdout] d63ab89b79cf6bf0305f769900b413339209a731ea86a50abc131b93e41fbd33
Nov 16 08:29:20.253 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 16 08:29:20.652 INFO [stdout] 3c0d7f8aba9674d50d5ed6cc892338f7246eb893cf732de4db45e0c2e1f84e50
Nov 16 08:29:20.658 INFO running `"docker" "start" "-a" "3c0d7f8aba9674d50d5ed6cc892338f7246eb893cf732de4db45e0c2e1f84e50"`
Nov 16 08:29:21.628 INFO [stderr] usermod: no changes
Nov 16 08:29:21.743 INFO [stderr]    Compiling demo v0.1.0 (/source)
Nov 16 08:29:23.727 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
Nov 16 08:29:23.743 INFO [stderr] su: No module specific data is present
Nov 16 08:29:24.364 INFO running `"docker" "inspect" "3c0d7f8aba9674d50d5ed6cc892338f7246eb893cf732de4db45e0c2e1f84e50"`
Nov 16 08:29:24.665 INFO running `"docker" "rm" "-f" "3c0d7f8aba9674d50d5ed6cc892338f7246eb893cf732de4db45e0c2e1f84e50"`
Nov 16 08:29:24.942 INFO [stdout] 3c0d7f8aba9674d50d5ed6cc892338f7246eb893cf732de4db45e0c2e1f84e50
Nov 16 08:29:24.948 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 16 08:29:25.333 INFO [stdout] fcc5abe276fe197a2185fa017a782e712e197d83df8377faeb2d87be5fc7808d
Nov 16 08:29:25.337 INFO running `"docker" "start" "-a" "fcc5abe276fe197a2185fa017a782e712e197d83df8377faeb2d87be5fc7808d"`
Nov 16 08:29:26.438 INFO [stderr] usermod: no changes
Nov 16 08:29:26.551 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
Nov 16 08:29:26.551 INFO [stdout] 
Nov 16 08:29:26.551 INFO [stderr]      Running /target/debug/deps/demo-3c73c2b068701d15
Nov 16 08:29:26.551 INFO [stdout] running 5 tests
Nov 16 08:29:26.552 INFO [stdout] test test_file_type_missing ... ok
Nov 16 08:29:26.552 INFO [stdout] test test_file_type_rust ... ok
Nov 16 08:29:26.552 INFO [stdout] test test_file_type_html ... ok
Nov 16 08:29:26.553 INFO [stdout] test test_file_type_toml ... ok
Nov 16 08:29:26.553 INFO [stdout] test test_file_type_unknown ... ok
Nov 16 08:29:26.553 INFO [stdout] 
Nov 16 08:29:26.553 INFO [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 08:29:26.554 INFO [stdout] 
Nov 16 08:29:26.561 INFO [stdout] 
Nov 16 08:29:26.561 INFO [stderr]      Running /target/debug/deps/slides-d7d91c927e703909
Nov 16 08:29:26.562 INFO [stdout] running 11 tests
Nov 16 08:29:47.834 INFO [stderr] warning: enum is never used: `SerialProtocol`
Nov 16 08:29:47.834 INFO [stderr]  --> /tmp/rust-skeptic.AaeJT4G85rhs/test.rs:2:1
Nov 16 08:29:47.835 INFO [stderr]   |
Nov 16 08:29:47.835 INFO [stderr] 2 | enum SerialProtocol {
Nov 16 08:29:47.835 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 16 08:29:47.835 INFO [stderr]   |
Nov 16 08:29:47.836 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 08:29:47.836 INFO [stderr] 
Nov 16 08:29:47.837 INFO [stdout] test slides_in_sect_enums_line_324 ... ok
Nov 16 08:29:47.872 INFO [stdout] test slides_in_sect_conditionals_match_line_248 ... ok
Nov 16 08:29:47.902 INFO [stderr] warning: unused variable: `i`
Nov 16 08:29:47.902 INFO [stderr]  --> /tmp/rust-skeptic.tKvqu8oKCND8/test.rs:5:5
Nov 16 08:29:47.902 INFO [stderr]   |
Nov 16 08:29:47.902 INFO [stderr] 5 | for i in numbers.iter() {
Nov 16 08:29:47.902 INFO [stderr]   |     ^ help: consider using `_i` instead
Nov 16 08:29:47.902 INFO [stderr]   |
Nov 16 08:29:47.902 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 16 08:29:47.902 INFO [stderr] 
Nov 16 08:29:47.902 INFO [stderr] warning: unused variable: `i`
Nov 16 08:29:47.902 INFO [stderr]  --> /tmp/rust-skeptic.tKvqu8oKCND8/test.rs:9:5
Nov 16 08:29:47.902 INFO [stderr]   |
Nov 16 08:29:47.902 INFO [stderr] 9 | for i in 0..10 {
Nov 16 08:29:47.902 INFO [stderr]   |     ^ help: consider using `_i` instead
Nov 16 08:29:47.902 INFO [stderr] 
Nov 16 08:29:47.974 INFO [stdout] test slides_in_sect_loops_line_268 ... ok
Nov 16 08:29:48.059 INFO [stderr] warning: unused variable: `sum`
Nov 16 08:29:48.059 INFO [stderr]  --> /tmp/rust-skeptic.krWiSqMz84Rs/test.rs:7:9
Nov 16 08:29:48.059 INFO [stderr]   |
Nov 16 08:29:48.059 INFO [stderr] 7 |     let sum = add(2, 3);
Nov 16 08:29:48.059 INFO [stderr]   |         ^^^ help: consider using `_sum` instead
Nov 16 08:29:48.059 INFO [stderr]   |
Nov 16 08:29:48.059 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 16 08:29:48.059 INFO [stderr] 
Nov 16 08:29:48.070 INFO [stdout] test slides_in_sect_functional_or_imperative_line_304 ... ok
Nov 16 08:29:48.070 INFO [stdout] Rust Introduction
Nov 16 08:29:48.071 INFO [stdout] test slides_in_sect_introduction_line_25 ... ok
Nov 16 08:29:48.071 INFO [stdout] test slides_in_sect_functions_line_217 ... ok
Nov 16 08:29:48.127 INFO [stdout] test slides_in_sect_functional_or_imperative_line_286 ... ok
Nov 16 08:29:48.175 INFO [stdout] Wesley is happy
Nov 16 08:29:48.175 INFO [stdout] test slides_in_sect_conditionals_if_line_231 ... ok
Nov 16 08:29:56.199 INFO [stderr] warning: enum is never used: `Option`
Nov 16 08:29:56.199 INFO [stderr]  --> /tmp/rust-skeptic.LViAtDkw9EGV/test.rs:2:1
Nov 16 08:29:56.199 INFO [stderr]   |
Nov 16 08:29:56.199 INFO [stderr] 2 | enum Option<T> {
Nov 16 08:29:56.199 INFO [stderr]   | ^^^^^^^^^^^^^^
Nov 16 08:29:56.199 INFO [stderr]   |
Nov 16 08:29:56.199 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 08:29:56.199 INFO [stderr] 
Nov 16 08:29:56.216 INFO [stdout] test slides_in_sect_option_line_362 ... ok
Nov 16 08:29:56.295 INFO [stderr] warning: enum is never used: `Result`
Nov 16 08:29:56.295 INFO [stderr]  --> /tmp/rust-skeptic.lEQslvGUVx2I/test.rs:2:1
Nov 16 08:29:56.295 INFO [stderr]   |
Nov 16 08:29:56.295 INFO [stderr] 2 | enum Result<T, E> {
Nov 16 08:29:56.295 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Nov 16 08:29:56.295 INFO [stderr]   |
Nov 16 08:29:56.295 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 08:29:56.295 INFO [stderr] 
Nov 16 08:29:56.305 INFO [stdout] test slides_in_sect_result_line_377 ... ok
Nov 16 08:29:56.326 INFO [stderr] warning: enum is never used: `SerialProtocol`
Nov 16 08:29:56.326 INFO [stderr]  --> /tmp/rust-skeptic.Jgvgey1b4SSw/test.rs:2:1
Nov 16 08:29:56.326 INFO [stderr]   |
Nov 16 08:29:56.326 INFO [stderr] 2 | enum SerialProtocol {
Nov 16 08:29:56.326 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 16 08:29:56.326 INFO [stderr]   |
Nov 16 08:29:56.326 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 08:29:56.326 INFO [stderr] 
Nov 16 08:29:56.326 INFO [stderr] warning: struct is never constructed: `Person`
Nov 16 08:29:56.326 INFO [stderr]   --> /tmp/rust-skeptic.Jgvgey1b4SSw/test.rs:10:1
Nov 16 08:29:56.326 INFO [stderr]    |
Nov 16 08:29:56.326 INFO [stderr] 10 | struct Person {
Nov 16 08:29:56.326 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 16 08:29:56.326 INFO [stderr] 
Nov 16 08:29:56.326 INFO [stderr] warning: method is never used: `name_and_age`
Nov 16 08:29:56.326 INFO [stderr]   --> /tmp/rust-skeptic.Jgvgey1b4SSw/test.rs:17:5
Nov 16 08:29:56.326 INFO [stderr]    |
Nov 16 08:29:56.326 INFO [stderr] 17 |     fn name_and_age(&self) -> String {
Nov 16 08:29:56.326 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 08:29:56.326 INFO [stderr] 
Nov 16 08:29:56.335 INFO [stdout] test slides_in_sect_structs_line_340 ... ok
Nov 16 08:29:56.335 INFO [stdout] 
Nov 16 08:29:56.335 INFO [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 08:29:56.335 INFO [stdout] 
Nov 16 08:29:56.347 INFO [stderr] su: No module specific data is present
Nov 16 08:29:57.955 INFO running `"docker" "inspect" "fcc5abe276fe197a2185fa017a782e712e197d83df8377faeb2d87be5fc7808d"`
Nov 16 08:29:58.323 INFO running `"docker" "rm" "-f" "fcc5abe276fe197a2185fa017a782e712e197d83df8377faeb2d87be5fc7808d"`
Nov 16 08:29:58.626 INFO [stdout] fcc5abe276fe197a2185fa017a782e712e197d83df8377faeb2d87be5fc7808d