[INFO] updating cached repository matthiaskrgr/rust-str-bench
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/matthiaskrgr/rust-str-bench
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/matthiaskrgr/rust-str-bench" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/matthiaskrgr/rust-str-bench"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/matthiaskrgr/rust-str-bench'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/matthiaskrgr/rust-str-bench" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/matthiaskrgr/rust-str-bench"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/matthiaskrgr/rust-str-bench'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a937bf3cdc92f81644a5f3259540c56554dba115
[INFO] sha for GitHub repo matthiaskrgr/rust-str-bench: a937bf3cdc92f81644a5f3259540c56554dba115
[INFO] validating manifest of matthiaskrgr/rust-str-bench 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 matthiaskrgr/rust-str-bench 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 matthiaskrgr/rust-str-bench
[INFO] finished frobbing matthiaskrgr/rust-str-bench
[INFO] frobbed toml for matthiaskrgr/rust-str-bench written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/matthiaskrgr/rust-str-bench/Cargo.toml
[INFO] started frobbing matthiaskrgr/rust-str-bench
[INFO] finished frobbing matthiaskrgr/rust-str-bench
[INFO] frobbed toml for matthiaskrgr/rust-str-bench written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/matthiaskrgr/rust-str-bench/Cargo.toml
[INFO] crate matthiaskrgr/rust-str-bench has a lockfile. skipping
[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 matthiaskrgr/rust-str-bench against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/matthiaskrgr/rust-str-bench:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 9cf964ab7455011063bb6fcf44007e946f1b6ec28714e10a12fc940ec679f9af
[INFO] running `"docker" "start" "-a" "9cf964ab7455011063bb6fcf44007e946f1b6ec28714e10a12fc940ec679f9af"`
[INFO] [stderr]    Compiling str_bench v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `"docker" "inspect" "9cf964ab7455011063bb6fcf44007e946f1b6ec28714e10a12fc940ec679f9af"`
[INFO] running `"docker" "rm" "-f" "9cf964ab7455011063bb6fcf44007e946f1b6ec28714e10a12fc940ec679f9af"`
[INFO] [stdout] 9cf964ab7455011063bb6fcf44007e946f1b6ec28714e10a12fc940ec679f9af
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/matthiaskrgr/rust-str-bench:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 373489e95975c320c0a3be8ecfb02fb0a2dbce17263d6c60b842c327c7332780
[INFO] running `"docker" "start" "-a" "373489e95975c320c0a3be8ecfb02fb0a2dbce17263d6c60b842c327c7332780"`
[INFO] [stderr]    Compiling str_bench v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "373489e95975c320c0a3be8ecfb02fb0a2dbce17263d6c60b842c327c7332780"`
[INFO] running `"docker" "rm" "-f" "373489e95975c320c0a3be8ecfb02fb0a2dbce17263d6c60b842c327c7332780"`
[INFO] [stdout] 373489e95975c320c0a3be8ecfb02fb0a2dbce17263d6c60b842c327c7332780
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/matthiaskrgr/rust-str-bench:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 63a591590d3bfe735ab3b81613436125ec0252cf7ee19e4481d00a59a8523dbe
[INFO] running `"docker" "start" "-a" "63a591590d3bfe735ab3b81613436125ec0252cf7ee19e4481d00a59a8523dbe"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/str_bench-dfdf830474604f30
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::bench_inline_format_stringfrom ... ok
[INFO] [stdout] test tests::bench_inline_format_ref ... ok
[INFO] [stdout] test tests::bench_inline_format ... ok
[INFO] [stdout] test tests::bench_let_tostring_var ... ok
[INFO] [stdout] test tests::bench_let_stringfrom_var ... ok
[INFO] [stdout] test tests::bench_let_str_var ... ok
[INFO] [stdout] test tests::bench_inline_format_tostring ... ok
[INFO] [stdout] test tests::bench_const_str_var ... ok
[INFO] [stdout] test tests::bench_inline ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "63a591590d3bfe735ab3b81613436125ec0252cf7ee19e4481d00a59a8523dbe"`
[INFO] running `"docker" "rm" "-f" "63a591590d3bfe735ab3b81613436125ec0252cf7ee19e4481d00a59a8523dbe"`
[INFO] [stdout] 63a591590d3bfe735ab3b81613436125ec0252cf7ee19e4481d00a59a8523dbe