Nov 16 08:28:39.374 INFO testing wezm/rust-intro-talk against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 16 08:28:39.374 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 08:28:39.811 INFO [stdout] 328443c0bcf2a85215262bae516dee2917d8adb364a33e21f1518f4187fc785c
Nov 16 08:28:39.813 INFO running `"docker" "start" "-a" "328443c0bcf2a85215262bae516dee2917d8adb364a33e21f1518f4187fc785c"`
Nov 16 08:28:40.428 INFO [stderr] usermod: no changes
Nov 16 08:28:40.518 INFO [stderr]    Compiling cc v1.0.3
Nov 16 08:28:40.518 INFO [stderr]    Compiling rustc-demangle v0.1.5
Nov 16 08:28:40.519 INFO [stderr]    Compiling pulldown-cmark v0.1.0
Nov 16 08:28:40.519 INFO [stderr]    Compiling same-file v0.1.3
Nov 16 08:28:40.525 INFO [stderr]    Compiling bytecount v0.2.0
Nov 16 08:28:40.525 INFO [stderr]    Compiling rand v0.3.19
Nov 16 08:28:40.525 INFO [stderr]    Compiling semver v0.8.0
Nov 16 08:28:40.525 INFO [stderr]    Compiling serde_json v1.0.9
Nov 16 08:28:41.310 INFO [stderr]    Compiling walkdir v1.0.7
Nov 16 08:28:41.331 INFO [stderr]    Compiling serde_derive_internals v0.19.0
Nov 16 08:28:45.865 INFO [stderr]    Compiling tempdir v0.3.5
Nov 16 08:28:47.279 INFO [stderr]    Compiling backtrace-sys v0.1.16
Nov 16 08:28:50.975 INFO [stderr]    Compiling serde_derive v1.0.27
Nov 16 08:29:09.032 INFO [stderr]    Compiling backtrace v0.3.5
Nov 16 08:29:10.159 INFO [stderr]    Compiling error-chain v0.11.0
Nov 16 08:29:11.061 INFO [stderr]    Compiling cargo_metadata v0.3.3
Nov 16 08:29:14.123 INFO [stderr]    Compiling skeptic v0.13.2
Nov 16 08:29:16.855 INFO [stderr]    Compiling demo v0.1.0 (/source)
Nov 16 08:29:19.237 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.79s
Nov 16 08:29:19.251 INFO [stderr] su: No module specific data is present
Nov 16 08:29:19.955 INFO running `"docker" "inspect" "328443c0bcf2a85215262bae516dee2917d8adb364a33e21f1518f4187fc785c"`
Nov 16 08:29:20.178 INFO running `"docker" "rm" "-f" "328443c0bcf2a85215262bae516dee2917d8adb364a33e21f1518f4187fc785c"`
Nov 16 08:29:20.431 INFO [stdout] 328443c0bcf2a85215262bae516dee2917d8adb364a33e21f1518f4187fc785c
Nov 16 08:29:20.435 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 08:29:20.836 INFO [stdout] 02207367a08cf4807a7a2141131fcbf13269aaaec98788c1647e23d4324a32cb
Nov 16 08:29:20.841 INFO running `"docker" "start" "-a" "02207367a08cf4807a7a2141131fcbf13269aaaec98788c1647e23d4324a32cb"`
Nov 16 08:29:22.082 INFO [stderr] usermod: no changes
Nov 16 08:29:22.247 INFO [stderr]    Compiling demo v0.1.0 (/source)
Nov 16 08:29:24.187 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
Nov 16 08:29:24.194 INFO [stderr] su: No module specific data is present
Nov 16 08:29:24.689 INFO running `"docker" "inspect" "02207367a08cf4807a7a2141131fcbf13269aaaec98788c1647e23d4324a32cb"`
Nov 16 08:29:24.948 INFO running `"docker" "rm" "-f" "02207367a08cf4807a7a2141131fcbf13269aaaec98788c1647e23d4324a32cb"`
Nov 16 08:29:25.158 INFO [stdout] 02207367a08cf4807a7a2141131fcbf13269aaaec98788c1647e23d4324a32cb
Nov 16 08:29:25.161 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 08:29:25.592 INFO [stdout] 43bd6ccb9115906650c50cad53ffa029f206a65f8883c55e19444e0a82324502
Nov 16 08:29:25.596 INFO running `"docker" "start" "-a" "43bd6ccb9115906650c50cad53ffa029f206a65f8883c55e19444e0a82324502"`
Nov 16 08:29:26.843 INFO [stderr] usermod: no changes
Nov 16 08:29:26.997 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
Nov 16 08:29:26.999 INFO [stderr]      Running /target/debug/deps/demo-afede9016ec5fb4b
Nov 16 08:29:27.005 INFO [stdout] 
Nov 16 08:29:27.005 INFO [stdout] running 5 tests
Nov 16 08:29:27.019 INFO [stdout] test test_file_type_html ... ok
Nov 16 08:29:27.020 INFO [stdout] test test_file_type_missing ... ok
Nov 16 08:29:27.021 INFO [stdout] test test_file_type_unknown ... ok
Nov 16 08:29:27.024 INFO [stdout] test test_file_type_rust ... ok
Nov 16 08:29:27.025 INFO [stdout] test test_file_type_toml ... ok
Nov 16 08:29:27.025 INFO [stdout] 
Nov 16 08:29:27.025 INFO [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 08:29:27.025 INFO [stdout] 
Nov 16 08:29:27.029 INFO [stderr]      Running /target/debug/deps/slides-25e8a8ce08ccce3f
Nov 16 08:29:27.031 INFO [stdout] 
Nov 16 08:29:27.032 INFO [stdout] running 11 tests
Nov 16 08:29:53.607 INFO [stderr] warning: unused variable: `i`
Nov 16 08:29:53.607 INFO [stderr]  --> /tmp/rust-skeptic.f3fzI7C535bJ/test.rs:5:5
Nov 16 08:29:53.607 INFO [stderr]   |
Nov 16 08:29:53.607 INFO [stderr] 5 | for i in numbers.iter() {
Nov 16 08:29:53.607 INFO [stderr]   |     ^ help: consider using `_i` instead
Nov 16 08:29:53.607 INFO [stderr]   |
Nov 16 08:29:53.607 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 16 08:29:53.607 INFO [stderr] 
Nov 16 08:29:53.607 INFO [stderr] warning: unused variable: `i`
Nov 16 08:29:53.607 INFO [stderr]  --> /tmp/rust-skeptic.f3fzI7C535bJ/test.rs:9:5
Nov 16 08:29:53.607 INFO [stderr]   |
Nov 16 08:29:53.607 INFO [stderr] 9 | for i in 0..10 {
Nov 16 08:29:53.607 INFO [stderr]   |     ^ help: consider using `_i` instead
Nov 16 08:29:53.607 INFO [stderr] 
Nov 16 08:29:53.607 INFO [stdout] test slides_in_sect_loops_line_268 ... ok
Nov 16 08:29:54.543 INFO [stderr] warning: unused variable: `sum`
Nov 16 08:29:54.543 INFO [stderr]  --> /tmp/rust-skeptic.dHJVe5Qn8hRo/test.rs:7:9
Nov 16 08:29:54.543 INFO [stderr]   |
Nov 16 08:29:54.543 INFO [stderr] 7 |     let sum = add(2, 3);
Nov 16 08:29:54.543 INFO [stderr]   |         ^^^ help: consider using `_sum` instead
Nov 16 08:29:54.543 INFO [stderr]   |
Nov 16 08:29:54.543 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 16 08:29:54.543 INFO [stderr] 
Nov 16 08:29:54.615 INFO [stdout] test slides_in_sect_functions_line_217 ... ok
Nov 16 08:29:54.852 INFO [stdout] Rust Introduction
Nov 16 08:29:54.860 INFO [stdout] test slides_in_sect_introduction_line_25 ... ok
Nov 16 08:29:55.027 INFO [stderr] warning: enum is never used: `SerialProtocol`
Nov 16 08:29:55.027 INFO [stderr]  --> /tmp/rust-skeptic.EujEjaHGnB5G/test.rs:2:1
Nov 16 08:29:55.027 INFO [stderr]   |
Nov 16 08:29:55.027 INFO [stderr] 2 | enum SerialProtocol {
Nov 16 08:29:55.027 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 16 08:29:55.027 INFO [stderr]   |
Nov 16 08:29:55.027 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 08:29:55.027 INFO [stderr] 
Nov 16 08:29:55.071 INFO [stdout] test slides_in_sect_enums_line_324 ... ok
Nov 16 08:29:55.072 INFO [stdout] Wesley is happy
Nov 16 08:29:55.073 INFO [stdout] test slides_in_sect_conditionals_if_line_231 ... ok
Nov 16 08:29:55.323 INFO [stdout] test slides_in_sect_functional_or_imperative_line_286 ... ok
Nov 16 08:29:55.459 INFO [stdout] test slides_in_sect_functional_or_imperative_line_304 ... ok
Nov 16 08:29:55.650 INFO [stdout] test slides_in_sect_conditionals_match_line_248 ... ok
Nov 16 08:30:04.767 INFO [stderr] warning: enum is never used: `Option`
Nov 16 08:30:04.767 INFO [stderr]  --> /tmp/rust-skeptic.hOKBmGESvOTD/test.rs:2:1
Nov 16 08:30:04.767 INFO [stderr]   |
Nov 16 08:30:04.767 INFO [stderr] 2 | enum Option<T> {
Nov 16 08:30:04.767 INFO [stderr]   | ^^^^^^^^^^^^^^
Nov 16 08:30:04.767 INFO [stderr]   |
Nov 16 08:30:04.767 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 08:30:04.767 INFO [stderr] 
Nov 16 08:30:04.773 INFO [stdout] test slides_in_sect_option_line_362 ... ok
Nov 16 08:30:04.969 INFO [stderr] warning: enum is never used: `Result`
Nov 16 08:30:04.969 INFO [stderr]  --> /tmp/rust-skeptic.RKi1HVhlhiez/test.rs:2:1
Nov 16 08:30:04.969 INFO [stderr]   |
Nov 16 08:30:04.969 INFO [stderr] 2 | enum Result<T, E> {
Nov 16 08:30:04.969 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Nov 16 08:30:04.969 INFO [stderr]   |
Nov 16 08:30:04.969 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 08:30:04.969 INFO [stderr] 
Nov 16 08:30:04.975 INFO [stdout] test slides_in_sect_result_line_377 ... ok
Nov 16 08:30:05.299 INFO [stderr] warning: enum is never used: `SerialProtocol`
Nov 16 08:30:05.299 INFO [stderr]  --> /tmp/rust-skeptic.v5ltGd4hDO9y/test.rs:2:1
Nov 16 08:30:05.299 INFO [stderr]   |
Nov 16 08:30:05.299 INFO [stderr] 2 | enum SerialProtocol {
Nov 16 08:30:05.299 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 16 08:30:05.299 INFO [stderr]   |
Nov 16 08:30:05.299 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 08:30:05.299 INFO [stderr] 
Nov 16 08:30:05.299 INFO [stderr] warning: struct is never constructed: `Person`
Nov 16 08:30:05.299 INFO [stderr]   --> /tmp/rust-skeptic.v5ltGd4hDO9y/test.rs:10:1
Nov 16 08:30:05.299 INFO [stderr]    |
Nov 16 08:30:05.299 INFO [stderr] 10 | struct Person {
Nov 16 08:30:05.299 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 16 08:30:05.299 INFO [stderr] 
Nov 16 08:30:05.299 INFO [stderr] warning: method is never used: `name_and_age`
Nov 16 08:30:05.299 INFO [stderr]   --> /tmp/rust-skeptic.v5ltGd4hDO9y/test.rs:17:5
Nov 16 08:30:05.299 INFO [stderr]    |
Nov 16 08:30:05.299 INFO [stderr] 17 |     fn name_and_age(&self) -> String {
Nov 16 08:30:05.299 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 08:30:05.299 INFO [stderr] 
Nov 16 08:30:05.304 INFO [stdout] test slides_in_sect_structs_line_340 ... ok
Nov 16 08:30:05.305 INFO [stdout] 
Nov 16 08:30:05.305 INFO [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 08:30:05.305 INFO [stdout] 
Nov 16 08:30:05.310 INFO [stderr] su: No module specific data is present
Nov 16 08:30:07.025 INFO running `"docker" "inspect" "43bd6ccb9115906650c50cad53ffa029f206a65f8883c55e19444e0a82324502"`
Nov 16 08:30:07.387 INFO running `"docker" "rm" "-f" "43bd6ccb9115906650c50cad53ffa029f206a65f8883c55e19444e0a82324502"`
Nov 16 08:30:07.770 INFO [stdout] 43bd6ccb9115906650c50cad53ffa029f206a65f8883c55e19444e0a82324502