[INFO] cloning repository https://github.com/twetzel59/scaling_study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/twetzel59/scaling_study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwetzel59%2Fscaling_study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwetzel59%2Fscaling_study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51ea9fe4ca77a376ccff9b50c89fd94fc7dc11e8
[INFO] testing twetzel59/scaling_study against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwetzel59%2Fscaling_study" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/twetzel59/scaling_study on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/twetzel59/scaling_study
[INFO] finished tweaking git repo https://github.com/twetzel59/scaling_study
[INFO] tweaked toml for git repo https://github.com/twetzel59/scaling_study written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/twetzel59/scaling_study already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ca6d546083cf7ac2001ec5c547b6d83ad5a4e6a52d959178d4f167b2b044c6c
[INFO] running `Command { std: "docker" "start" "-a" "5ca6d546083cf7ac2001ec5c547b6d83ad5a4e6a52d959178d4f167b2b044c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ca6d546083cf7ac2001ec5c547b6d83ad5a4e6a52d959178d4f167b2b044c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ca6d546083cf7ac2001ec5c547b6d83ad5a4e6a52d959178d4f167b2b044c6c", kill_on_drop: false }`
[INFO] [stdout] 5ca6d546083cf7ac2001ec5c547b6d83ad5a4e6a52d959178d4f167b2b044c6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31db116daa433d10dc816bdf43c216b0908e3a1bf8e338ae2a2021f5c6b42336
[INFO] running `Command { std: "docker" "start" "-a" "31db116daa433d10dc816bdf43c216b0908e3a1bf8e338ae2a2021f5c6b42336", kill_on_drop: false }`
[INFO] [stderr]    Compiling scaling_study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "31db116daa433d10dc816bdf43c216b0908e3a1bf8e338ae2a2021f5c6b42336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31db116daa433d10dc816bdf43c216b0908e3a1bf8e338ae2a2021f5c6b42336", kill_on_drop: false }`
[INFO] [stdout] 31db116daa433d10dc816bdf43c216b0908e3a1bf8e338ae2a2021f5c6b42336
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 987b16657f9d2c5d2f468145b36cb0001aedcf56297d149bbd8897da8915c3bc
[INFO] running `Command { std: "docker" "start" "-a" "987b16657f9d2c5d2f468145b36cb0001aedcf56297d149bbd8897da8915c3bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling scaling_study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "987b16657f9d2c5d2f468145b36cb0001aedcf56297d149bbd8897da8915c3bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "987b16657f9d2c5d2f468145b36cb0001aedcf56297d149bbd8897da8915c3bc", kill_on_drop: false }`
[INFO] [stdout] 987b16657f9d2c5d2f468145b36cb0001aedcf56297d149bbd8897da8915c3bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9a265afd5c60e7951534c63735b0c3c8b9b7f3d6b986e860ada3b78209afabca
[INFO] running `Command { std: "docker" "start" "-a" "9a265afd5c60e7951534c63735b0c3c8b9b7f3d6b986e860ada3b78209afabca", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/scaling_study-53888d74ed29f238)
[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" "9a265afd5c60e7951534c63735b0c3c8b9b7f3d6b986e860ada3b78209afabca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a265afd5c60e7951534c63735b0c3c8b9b7f3d6b986e860ada3b78209afabca", kill_on_drop: false }`
[INFO] [stdout] 9a265afd5c60e7951534c63735b0c3c8b9b7f3d6b986e860ada3b78209afabca