[INFO] crate bus_writer 0.1.2 is already in cache
[INFO] extracting crate bus_writer 0.1.2 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/bus_writer/0.1.2
[INFO] extracting crate bus_writer 0.1.2 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/bus_writer/0.1.2
[INFO] validating manifest of bus_writer-0.1.2 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bus_writer-0.1.2 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bus_writer-0.1.2
[INFO] finished frobbing bus_writer-0.1.2
[INFO] frobbed toml for bus_writer-0.1.2 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/bus_writer/0.1.2/Cargo.toml
[INFO] started frobbing bus_writer-0.1.2
[INFO] finished frobbing bus_writer-0.1.2
[INFO] frobbed toml for bus_writer-0.1.2 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/bus_writer/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing bus_writer-0.1.2 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/bus_writer/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 7f801241c4a5d8b855a754cbea80c0b1d6a6735655e0a175875715caf5d7fd16
[INFO] running `"docker" "start" "-a" "7f801241c4a5d8b855a754cbea80c0b1d6a6735655e0a175875715caf5d7fd16"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling bus v2.0.1
[INFO] [stderr]    Compiling bus_writer v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `"docker" "inspect" "7f801241c4a5d8b855a754cbea80c0b1d6a6735655e0a175875715caf5d7fd16"`
[INFO] running `"docker" "rm" "-f" "7f801241c4a5d8b855a754cbea80c0b1d6a6735655e0a175875715caf5d7fd16"`
[INFO] [stdout] 7f801241c4a5d8b855a754cbea80c0b1d6a6735655e0a175875715caf5d7fd16
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/bus_writer/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5cf7966786e4a0ca687bb705185a8af24a9869b39aff466856071e190d2e35d6
[INFO] running `"docker" "start" "-a" "5cf7966786e4a0ca687bb705185a8af24a9869b39aff466856071e190d2e35d6"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling bus_writer v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `BufReader`
[INFO] [stderr]  --> examples/simple.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{BufReader, Cursor, Read};
[INFO] [stderr]   |               ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `File`
[INFO] [stderr]  --> examples/simple.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fs::{self, File};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> examples/simple.rs:4:34
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{BufReader, Cursor, Read};
[INFO] [stderr]   |                                  ^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.06s
[INFO] running `"docker" "inspect" "5cf7966786e4a0ca687bb705185a8af24a9869b39aff466856071e190d2e35d6"`
[INFO] running `"docker" "rm" "-f" "5cf7966786e4a0ca687bb705185a8af24a9869b39aff466856071e190d2e35d6"`
[INFO] [stdout] 5cf7966786e4a0ca687bb705185a8af24a9869b39aff466856071e190d2e35d6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/bus_writer/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 0bb0323015dfbbd737a7ac3e20c015b6b64e4382e6c06bd7f8252c209711f592
[INFO] running `"docker" "start" "-a" "0bb0323015dfbbd737a7ac3e20c015b6b64e4382e6c06bd7f8252c209711f592"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bus_writer-a185c0749f0392e9
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/writer-e2646e284d0f1ead
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] /tmp/b: 524288 bytes written
[INFO] [stdout] /tmp/a: 524288 bytes written
[INFO] [stdout] /tmp/c: 524288 bytes written
[INFO] [stdout] /tmp/b: 1048576 bytes written
[INFO] [stdout] /tmp/a: 1048576 bytes written
[INFO] [stdout] /tmp/c: 1048576 bytes written
[INFO] [stdout] /tmp/c: Completed
[INFO] [stdout] /tmp/e: 524288 bytes written
[INFO] [stdout] /tmp/f: 524288 bytes written
[INFO] [stdout] /tmp/e: 1048576 bytes written
[INFO] [stdout] /tmp/e: Completed
[INFO] [stdout] /tmp/b: Completed
[INFO] [stdout] /tmp/f: 1048576 bytes written
[INFO] [stdout] /tmp/f: Completed
[INFO] [stdout] /tmp/a: Completed
[INFO] [stdout] /tmp/g: 524288 bytes written
[INFO] [stdout] /tmp/g: 1048576 bytes written
[INFO] [stdout] /tmp/g: Completed
[INFO] [stdout] /tmp/d: 524288 bytes written
[INFO] [stdout] /tmp/d: 1048576 bytes written
[INFO] [stdout] /tmp/d: Completed
[INFO] [stdout] /tmp/h: 524288 bytes written
[INFO] [stdout] /tmp/h: 1048576 bytes written
[INFO] [stdout] /tmp/h: Completed
[INFO] [stdout] /tmp/d: 524288 bytes verified
[INFO] [stdout] /tmp/d: 1572864 bytes verified
[INFO] [stdout] /tmp/c: 524288 bytes verified
[INFO] [stdout] /tmp/c: 1572864 bytes verified
[INFO] [stdout] /tmp/d: Validated
[INFO] [stdout] /tmp/c: Validated
[INFO] [stdout] /tmp/f: 524288 bytes verified
[INFO] [stdout] /tmp/f: 1572864 bytes verified
[INFO] [stdout] /tmp/f: Validated
[INFO] [stdout] /tmp/b: 524288 bytes verified
[INFO] [stdout] /tmp/b: 1572864 bytes verified
[INFO] [stdout] /tmp/b: Validated
[INFO] [stdout] /tmp/g: 524288 bytes verified
[INFO] [stdout] /tmp/g: 1572864 bytes verified
[INFO] [stdout] /tmp/g: Validated
[INFO] [stdout] /tmp/h: 524288 bytes verified
[INFO] [stdout] /tmp/h: 1572864 bytes verified
[INFO] [stdout] /tmp/h: Validated
[INFO] [stdout] /tmp/a: 524288 bytes verified
[INFO] [stdout] /tmp/a: 1572864 bytes verified
[INFO] [stdout] /tmp/a: Validated
[INFO] [stdout] /tmp/e: 524288 bytes verified
[INFO] [stdout] /tmp/e: 1572864 bytes verified
[INFO] [stdout] /tmp/e: Validated
[INFO] [stdout] test eight_local_files ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bus_writer
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0bb0323015dfbbd737a7ac3e20c015b6b64e4382e6c06bd7f8252c209711f592"`
[INFO] running `"docker" "rm" "-f" "0bb0323015dfbbd737a7ac3e20c015b6b64e4382e6c06bd7f8252c209711f592"`
[INFO] [stdout] 0bb0323015dfbbd737a7ac3e20c015b6b64e4382e6c06bd7f8252c209711f592