Nov 18 07:52:30.304 INFO testing ktrace-0.1.0 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 18 07:52:30.304 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 18 07:52:30.750 INFO [stdout] cda7aaf7ddc75ee9820d163b7484762d0b7e7b32dd9262e15c23402a15408703
Nov 18 07:52:30.759 INFO running `"docker" "start" "-a" "cda7aaf7ddc75ee9820d163b7484762d0b7e7b32dd9262e15c23402a15408703"`
Nov 18 07:52:31.825 INFO [stderr] usermod: no changes
Nov 18 07:52:31.938 INFO [stderr]    Compiling ktrace v0.1.0 (/source)
Nov 18 07:52:32.907 INFO [stderr] warning: variable does not need to be mutable
Nov 18 07:52:32.907 INFO [stderr]   --> src/lib.rs:30:17
Nov 18 07:52:32.907 INFO [stderr]    |
Nov 18 07:52:32.907 INFO [stderr] 30 | pub fn parse<E>(mut r: &mut io::Read) -> Result<Vec<(Header,Result<Record>)>>
Nov 18 07:52:32.907 INFO [stderr]    |                 ----^
Nov 18 07:52:32.907 INFO [stderr]    |                 |
Nov 18 07:52:32.907 INFO [stderr]    |                 help: remove this `mut`
Nov 18 07:52:32.907 INFO [stderr]    |
Nov 18 07:52:32.907 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 18 07:52:32.907 INFO [stderr] 
Nov 18 07:52:36.172 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.36s
Nov 18 07:52:36.177 INFO [stderr] su: No module specific data is present
Nov 18 07:52:36.440 INFO running `"docker" "inspect" "cda7aaf7ddc75ee9820d163b7484762d0b7e7b32dd9262e15c23402a15408703"`
Nov 18 07:52:36.551 INFO running `"docker" "rm" "-f" "cda7aaf7ddc75ee9820d163b7484762d0b7e7b32dd9262e15c23402a15408703"`
Nov 18 07:52:36.662 INFO [stdout] cda7aaf7ddc75ee9820d163b7484762d0b7e7b32dd9262e15c23402a15408703
Nov 18 07:52:36.668 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 18 07:52:36.834 INFO [stdout] 660ffb6935bd103b8f1f51ded233145140fac03e8cefa3d593ef2d5c486dd3db
Nov 18 07:52:36.840 INFO running `"docker" "start" "-a" "660ffb6935bd103b8f1f51ded233145140fac03e8cefa3d593ef2d5c486dd3db"`
Nov 18 07:52:37.298 INFO [stderr] usermod: no changes
Nov 18 07:52:37.358 INFO [stderr]    Compiling ktrace v0.1.0 (/source)
Nov 18 07:52:38.363 INFO [stderr] warning: variable does not need to be mutable
Nov 18 07:52:38.363 INFO [stderr]   --> src/lib.rs:30:17
Nov 18 07:52:38.363 INFO [stderr]    |
Nov 18 07:52:38.363 INFO [stderr] 30 | pub fn parse<E>(mut r: &mut io::Read) -> Result<Vec<(Header,Result<Record>)>>
Nov 18 07:52:38.363 INFO [stderr]    |                 ----^
Nov 18 07:52:38.363 INFO [stderr]    |                 |
Nov 18 07:52:38.363 INFO [stderr]    |                 help: remove this `mut`
Nov 18 07:52:38.363 INFO [stderr]    |
Nov 18 07:52:38.363 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 18 07:52:38.363 INFO [stderr] 
Nov 18 07:52:38.944 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
Nov 18 07:52:38.950 INFO [stderr] su: No module specific data is present
Nov 18 07:52:39.197 INFO running `"docker" "inspect" "660ffb6935bd103b8f1f51ded233145140fac03e8cefa3d593ef2d5c486dd3db"`
Nov 18 07:52:39.277 INFO running `"docker" "rm" "-f" "660ffb6935bd103b8f1f51ded233145140fac03e8cefa3d593ef2d5c486dd3db"`
Nov 18 07:52:39.393 INFO [stdout] 660ffb6935bd103b8f1f51ded233145140fac03e8cefa3d593ef2d5c486dd3db
Nov 18 07:52:39.398 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 18 07:52:39.581 INFO [stdout] 230e63ad5210d31ecc290688152efd544dbde5e4e2114e176dd061a934125fef
Nov 18 07:52:39.589 INFO running `"docker" "start" "-a" "230e63ad5210d31ecc290688152efd544dbde5e4e2114e176dd061a934125fef"`
Nov 18 07:52:40.114 INFO [stderr] usermod: no changes
Nov 18 07:52:40.174 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Nov 18 07:52:40.176 INFO [stderr]      Running /target/debug/deps/ktrace-92f73a1d469f7157
Nov 18 07:52:40.180 INFO [stdout] 
Nov 18 07:52:40.180 INFO [stdout] running 0 tests
Nov 18 07:52:40.180 INFO [stdout] 
Nov 18 07:52:40.180 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 07:52:40.180 INFO [stdout] 
Nov 18 07:52:40.180 INFO [stderr]      Running /target/debug/deps/main-28b37db5538495c2
Nov 18 07:52:40.182 INFO [stdout] 
Nov 18 07:52:40.182 INFO [stdout] running 0 tests
Nov 18 07:52:40.182 INFO [stdout] 
Nov 18 07:52:40.182 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 07:52:40.182 INFO [stdout] 
Nov 18 07:52:40.182 INFO [stderr]    Doc-tests ktrace
Nov 18 07:52:41.039 INFO [stdout] 
Nov 18 07:52:41.039 INFO [stdout] running 0 tests
Nov 18 07:52:41.039 INFO [stdout] 
Nov 18 07:52:41.039 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 07:52:41.040 INFO [stdout] 
Nov 18 07:52:41.047 INFO [stderr] su: No module specific data is present
Nov 18 07:52:41.560 INFO running `"docker" "inspect" "230e63ad5210d31ecc290688152efd544dbde5e4e2114e176dd061a934125fef"`
Nov 18 07:52:41.672 INFO running `"docker" "rm" "-f" "230e63ad5210d31ecc290688152efd544dbde5e4e2114e176dd061a934125fef"`
Nov 18 07:52:41.782 INFO [stdout] 230e63ad5210d31ecc290688152efd544dbde5e4e2114e176dd061a934125fef