[INFO] cloning repository https://github.com/kojole/benchmark-pingpong-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kojole/benchmark-pingpong-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkojole%2Fbenchmark-pingpong-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkojole%2Fbenchmark-pingpong-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1964bb697bf764bb3c792bceef498237cb56dcee
[INFO] testing kojole/benchmark-pingpong-rs against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkojole%2Fbenchmark-pingpong-rs" "/workspace/builds/worker-104/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-104/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kojole/benchmark-pingpong-rs on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kojole/benchmark-pingpong-rs
[INFO] finished tweaking git repo https://github.com/kojole/benchmark-pingpong-rs
[INFO] tweaked toml for git repo https://github.com/kojole/benchmark-pingpong-rs written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] crate git repo https://github.com/kojole/benchmark-pingpong-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91fd69045d06c0311f9ef8de6fedabdaa046112128e0575221fe92e47a2f64a3
[INFO] running `Command { std: "docker" "start" "-a" "91fd69045d06c0311f9ef8de6fedabdaa046112128e0575221fe92e47a2f64a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91fd69045d06c0311f9ef8de6fedabdaa046112128e0575221fe92e47a2f64a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91fd69045d06c0311f9ef8de6fedabdaa046112128e0575221fe92e47a2f64a3", kill_on_drop: false }`
[INFO] [stdout] 91fd69045d06c0311f9ef8de6fedabdaa046112128e0575221fe92e47a2f64a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b049710bdfb1524496cac7f59d5290bf18c348bb28ec73cc3b0f13d8d108647
[INFO] running `Command { std: "docker" "start" "-a" "9b049710bdfb1524496cac7f59d5290bf18c348bb28ec73cc3b0f13d8d108647", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling stable_deref_trait v1.1.0
[INFO] [stderr]    Compiling smallvec v0.6.2
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.4.0
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.3
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling crossbeam-channel v0.2.1
[INFO] [stderr]    Compiling ppbench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.40s
[INFO] running `Command { std: "docker" "inspect" "9b049710bdfb1524496cac7f59d5290bf18c348bb28ec73cc3b0f13d8d108647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b049710bdfb1524496cac7f59d5290bf18c348bb28ec73cc3b0f13d8d108647", kill_on_drop: false }`
[INFO] [stdout] 9b049710bdfb1524496cac7f59d5290bf18c348bb28ec73cc3b0f13d8d108647
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33b0001ee664861a1888e79345ae4f2a1a01f4d1d9bc927366af195bba88ea63
[INFO] running `Command { std: "docker" "start" "-a" "33b0001ee664861a1888e79345ae4f2a1a01f4d1d9bc927366af195bba88ea63", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ppbench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.81s
[INFO] running `Command { std: "docker" "inspect" "33b0001ee664861a1888e79345ae4f2a1a01f4d1d9bc927366af195bba88ea63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33b0001ee664861a1888e79345ae4f2a1a01f4d1d9bc927366af195bba88ea63", kill_on_drop: false }`
[INFO] [stdout] 33b0001ee664861a1888e79345ae4f2a1a01f4d1d9bc927366af195bba88ea63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4ce0c83ba66de8c005086a59852c2a527a0cf384580eaec473d392ea08c53eef
[INFO] running `Command { std: "docker" "start" "-a" "4ce0c83ba66de8c005086a59852c2a527a0cf384580eaec473d392ea08c53eef", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ppbench-d1b8b8b8c47c88a4)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test cb_ping::tests::run ... ok
[INFO] [stdout] test ping::tests::run ... ok
[INFO] [stdout] test cb_pingpong::tests::run ... ok
[INFO] [stdout] test pingpong::tests::run ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ppbench-756a77b07d381799)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ppbench
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4ce0c83ba66de8c005086a59852c2a527a0cf384580eaec473d392ea08c53eef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ce0c83ba66de8c005086a59852c2a527a0cf384580eaec473d392ea08c53eef", kill_on_drop: false }`
[INFO] [stdout] 4ce0c83ba66de8c005086a59852c2a527a0cf384580eaec473d392ea08c53eef