Nov 17 09:55:29.340 INFO testing akuraj/learn_rust against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 09:55:29.340 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 17 09:55:29.835 INFO [stdout] c07d834736bdf6169d008b3681d3bb592310ee19fe814fed8eb04f4cd91a27da
Nov 17 09:55:29.837 INFO running `"docker" "start" "-a" "c07d834736bdf6169d008b3681d3bb592310ee19fe814fed8eb04f4cd91a27da"`
Nov 17 09:55:31.479 INFO [stderr] usermod: no changes
Nov 17 09:55:31.531 INFO [stderr]    Compiling learn_rust v0.1.0 (/source)
Nov 17 09:55:31.976 INFO [stderr] warning: unused variable: `x`
Nov 17 09:55:31.977 INFO [stderr]  --> src/test_lifetimes.rs:1:34
Nov 17 09:55:31.977 INFO [stderr]   |
Nov 17 09:55:31.977 INFO [stderr] 1 | pub fn foo< 'c, 'b, 'a/*: 'b*/>( x: &'a u32, y: &'b u32, z: &'c u32 ) -> &'b u32 {
Nov 17 09:55:31.977 INFO [stderr]   |                                  ^ help: consider using `_x` instead
Nov 17 09:55:31.977 INFO [stderr]   |
Nov 17 09:55:31.977 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 17 09:55:31.977 INFO [stderr] 
Nov 17 09:55:31.977 INFO [stderr] warning: unused variable: `z`
Nov 17 09:55:31.977 INFO [stderr]  --> src/test_lifetimes.rs:1:58
Nov 17 09:55:31.977 INFO [stderr]   |
Nov 17 09:55:31.977 INFO [stderr] 1 | pub fn foo< 'c, 'b, 'a/*: 'b*/>( x: &'a u32, y: &'b u32, z: &'c u32 ) -> &'b u32 {
Nov 17 09:55:31.977 INFO [stderr]   |                                                          ^ help: consider using `_z` instead
Nov 17 09:55:31.977 INFO [stderr] 
Nov 17 09:55:31.977 INFO [stderr] warning: variable `a` is assigned to, but never used
Nov 17 09:55:31.977 INFO [stderr]  --> src/test_lifetimes.rs:9:9
Nov 17 09:55:31.977 INFO [stderr]   |
Nov 17 09:55:31.977 INFO [stderr] 9 |     let a: &u32;
Nov 17 09:55:31.977 INFO [stderr]   |         ^
Nov 17 09:55:31.977 INFO [stderr]   |
Nov 17 09:55:31.977 INFO [stderr]   = note: consider using `_a` instead
Nov 17 09:55:31.977 INFO [stderr] 
Nov 17 09:55:31.977 INFO [stderr] warning: value assigned to `a` is never read
Nov 17 09:55:31.977 INFO [stderr]   --> src/test_lifetimes.rs:15:9
Nov 17 09:55:31.977 INFO [stderr]    |
Nov 17 09:55:31.977 INFO [stderr] 15 |         a = {
Nov 17 09:55:31.977 INFO [stderr]    |         ^
Nov 17 09:55:31.977 INFO [stderr]    |
Nov 17 09:55:31.977 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 17 09:55:31.977 INFO [stderr] 
Nov 17 09:55:32.351 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
Nov 17 09:55:32.353 INFO [stderr] su: No module specific data is present
Nov 17 09:55:33.479 INFO running `"docker" "inspect" "c07d834736bdf6169d008b3681d3bb592310ee19fe814fed8eb04f4cd91a27da"`
Nov 17 09:55:33.796 INFO running `"docker" "rm" "-f" "c07d834736bdf6169d008b3681d3bb592310ee19fe814fed8eb04f4cd91a27da"`
Nov 17 09:55:34.225 INFO [stdout] c07d834736bdf6169d008b3681d3bb592310ee19fe814fed8eb04f4cd91a27da
Nov 17 09:55:34.235 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 17 09:55:34.715 INFO [stdout] 73cb78f6e1cd2d2388a3be2d0e4b705f0ae316f3af616556156138208236d82a
Nov 17 09:55:34.715 INFO running `"docker" "start" "-a" "73cb78f6e1cd2d2388a3be2d0e4b705f0ae316f3af616556156138208236d82a"`
Nov 17 09:55:36.402 INFO [stderr] usermod: no changes
Nov 17 09:55:36.483 INFO [stderr]    Compiling learn_rust v0.1.0 (/source)
Nov 17 09:55:36.962 INFO [stderr] warning: unused variable: `x`
Nov 17 09:55:36.962 INFO [stderr]  --> src/test_lifetimes.rs:1:34
Nov 17 09:55:36.962 INFO [stderr]   |
Nov 17 09:55:36.962 INFO [stderr] 1 | pub fn foo< 'c, 'b, 'a/*: 'b*/>( x: &'a u32, y: &'b u32, z: &'c u32 ) -> &'b u32 {
Nov 17 09:55:36.962 INFO [stderr]   |                                  ^ help: consider using `_x` instead
Nov 17 09:55:36.962 INFO [stderr]   |
Nov 17 09:55:36.963 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 17 09:55:36.963 INFO [stderr] 
Nov 17 09:55:36.963 INFO [stderr] warning: unused variable: `z`
Nov 17 09:55:36.963 INFO [stderr]  --> src/test_lifetimes.rs:1:58
Nov 17 09:55:36.963 INFO [stderr]   |
Nov 17 09:55:36.963 INFO [stderr] 1 | pub fn foo< 'c, 'b, 'a/*: 'b*/>( x: &'a u32, y: &'b u32, z: &'c u32 ) -> &'b u32 {
Nov 17 09:55:36.963 INFO [stderr]   |                                                          ^ help: consider using `_z` instead
Nov 17 09:55:36.963 INFO [stderr] 
Nov 17 09:55:36.963 INFO [stderr] warning: variable `a` is assigned to, but never used
Nov 17 09:55:36.963 INFO [stderr]  --> src/test_lifetimes.rs:9:9
Nov 17 09:55:36.963 INFO [stderr]   |
Nov 17 09:55:36.963 INFO [stderr] 9 |     let a: &u32;
Nov 17 09:55:36.963 INFO [stderr]   |         ^
Nov 17 09:55:36.963 INFO [stderr]   |
Nov 17 09:55:36.963 INFO [stderr]   = note: consider using `_a` instead
Nov 17 09:55:36.963 INFO [stderr] 
Nov 17 09:55:36.964 INFO [stderr] warning: value assigned to `a` is never read
Nov 17 09:55:36.964 INFO [stderr]   --> src/test_lifetimes.rs:15:9
Nov 17 09:55:36.964 INFO [stderr]    |
Nov 17 09:55:36.964 INFO [stderr] 15 |         a = {
Nov 17 09:55:36.964 INFO [stderr]    |         ^
Nov 17 09:55:36.964 INFO [stderr]    |
Nov 17 09:55:36.964 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 17 09:55:36.964 INFO [stderr] 
Nov 17 09:55:37.395 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
Nov 17 09:55:37.395 INFO [stderr] su: No module specific data is present
Nov 17 09:55:38.388 INFO running `"docker" "inspect" "73cb78f6e1cd2d2388a3be2d0e4b705f0ae316f3af616556156138208236d82a"`
Nov 17 09:55:38.775 INFO running `"docker" "rm" "-f" "73cb78f6e1cd2d2388a3be2d0e4b705f0ae316f3af616556156138208236d82a"`
Nov 17 09:55:39.059 INFO [stdout] 73cb78f6e1cd2d2388a3be2d0e4b705f0ae316f3af616556156138208236d82a
Nov 17 09:55:39.064 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 17 09:55:39.467 INFO [stdout] b0b6c2368ca7a6039519a1585d00cf1f53446e5a053cbafbb8a95c912674c6da
Nov 17 09:55:39.469 INFO running `"docker" "start" "-a" "b0b6c2368ca7a6039519a1585d00cf1f53446e5a053cbafbb8a95c912674c6da"`
Nov 17 09:55:40.703 INFO [stderr] usermod: no changes
Nov 17 09:55:40.771 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Nov 17 09:55:40.772 INFO [stderr]      Running /target/debug/deps/learn_rust-8da453a911f07c3f
Nov 17 09:55:40.785 INFO [stdout] 
Nov 17 09:55:40.787 INFO [stdout] running 0 tests
Nov 17 09:55:40.788 INFO [stdout] 
Nov 17 09:55:40.788 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 09:55:40.788 INFO [stdout] 
Nov 17 09:55:40.791 INFO [stderr] su: No module specific data is present
Nov 17 09:55:41.731 INFO running `"docker" "inspect" "b0b6c2368ca7a6039519a1585d00cf1f53446e5a053cbafbb8a95c912674c6da"`
Nov 17 09:55:42.023 INFO running `"docker" "rm" "-f" "b0b6c2368ca7a6039519a1585d00cf1f53446e5a053cbafbb8a95c912674c6da"`
Nov 17 09:55:42.365 INFO [stdout] b0b6c2368ca7a6039519a1585d00cf1f53446e5a053cbafbb8a95c912674c6da