[INFO] updating cached repository pigeon-working-group/serde-perf
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pigeon-working-group/serde-perf
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pigeon-working-group/serde-perf" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/pigeon-working-group/serde-perf"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/pigeon-working-group/serde-perf'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pigeon-working-group/serde-perf" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/pigeon-working-group/serde-perf"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/pigeon-working-group/serde-perf'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7f51f0bc263632e4b03791f2b56958bed69a38bb
[INFO] sha for GitHub repo pigeon-working-group/serde-perf: 7f51f0bc263632e4b03791f2b56958bed69a38bb
[INFO] validating manifest of pigeon-working-group/serde-perf 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 pigeon-working-group/serde-perf 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 pigeon-working-group/serde-perf
[INFO] finished frobbing pigeon-working-group/serde-perf
[INFO] frobbed toml for pigeon-working-group/serde-perf written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/pigeon-working-group/serde-perf/Cargo.toml
[INFO] started frobbing pigeon-working-group/serde-perf
[INFO] finished frobbing pigeon-working-group/serde-perf
[INFO] frobbed toml for pigeon-working-group/serde-perf written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/pigeon-working-group/serde-perf/Cargo.toml
[INFO] crate pigeon-working-group/serde-perf 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 pigeon-working-group/serde-perf against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/pigeon-working-group/serde-perf:/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] 9f573e95f0e55f1468544592c851ceaf6d82b91d032cd56ab2e3b578e64467e7
[INFO] running `"docker" "start" "-a" "9f573e95f0e55f1468544592c851ceaf6d82b91d032cd56ab2e3b578e64467e7"`
[INFO] [stderr]    Compiling num-traits v0.2.1
[INFO] [stderr]    Compiling iter-read v0.1.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling rmp v0.8.7
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling num-bigint v0.1.43
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.11
[INFO] [stderr]    Compiling bincode v1.0.0
[INFO] [stderr]    Compiling rmp-serde v0.13.7
[INFO] [stderr]    Compiling serde_cbor v0.8.2
[INFO] [stderr]    Compiling ron v0.2.0
[INFO] [stderr]    Compiling serde-pickle v0.4.0
[INFO] [stderr]    Compiling bson v0.11.1
[INFO] [stderr]    Compiling serde-perf v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.79s
[INFO] running `"docker" "inspect" "9f573e95f0e55f1468544592c851ceaf6d82b91d032cd56ab2e3b578e64467e7"`
[INFO] running `"docker" "rm" "-f" "9f573e95f0e55f1468544592c851ceaf6d82b91d032cd56ab2e3b578e64467e7"`
[INFO] [stdout] 9f573e95f0e55f1468544592c851ceaf6d82b91d032cd56ab2e3b578e64467e7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/pigeon-working-group/serde-perf:/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] 245e1f9903fdf8473e059d271d7569312a41ec497c6818a1f817421ff7cde011
[INFO] running `"docker" "start" "-a" "245e1f9903fdf8473e059d271d7569312a41ec497c6818a1f817421ff7cde011"`
[INFO] [stderr]    Compiling serde-perf v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "245e1f9903fdf8473e059d271d7569312a41ec497c6818a1f817421ff7cde011"`
[INFO] running `"docker" "rm" "-f" "245e1f9903fdf8473e059d271d7569312a41ec497c6818a1f817421ff7cde011"`
[INFO] [stdout] 245e1f9903fdf8473e059d271d7569312a41ec497c6818a1f817421ff7cde011
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/pigeon-working-group/serde-perf:/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] b877f98f87f12aedebf98cf84b6fcedb2d1a6d9cae850605f0a2f2f6a522dbf4
[INFO] running `"docker" "start" "-a" "b877f98f87f12aedebf98cf84b6fcedb2d1a6d9cae850605f0a2f2f6a522dbf4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/serde_perf-0e96b06d3627fbfd
[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" "b877f98f87f12aedebf98cf84b6fcedb2d1a6d9cae850605f0a2f2f6a522dbf4"`
[INFO] running `"docker" "rm" "-f" "b877f98f87f12aedebf98cf84b6fcedb2d1a6d9cae850605f0a2f2f6a522dbf4"`
[INFO] [stdout] b877f98f87f12aedebf98cf84b6fcedb2d1a6d9cae850605f0a2f2f6a522dbf4