[INFO] cloning repository https://github.com/xavierhamel/rack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xavierhamel/rack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxavierhamel%2Frack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxavierhamel%2Frack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e6fe389786b8b3588c93075285ebb69b1e88eb4
[INFO] testing xavierhamel/rack against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxavierhamel%2Frack" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xavierhamel/rack on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xavierhamel/rack
[INFO] finished tweaking git repo https://github.com/xavierhamel/rack
[INFO] tweaked toml for git repo https://github.com/xavierhamel/rack written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/xavierhamel/rack already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edde35a242b2f9e935e0c20668db6dbc2bc23ff8d1c50f1da16e0e17a03ae794
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "edde35a242b2f9e935e0c20668db6dbc2bc23ff8d1c50f1da16e0e17a03ae794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edde35a242b2f9e935e0c20668db6dbc2bc23ff8d1c50f1da16e0e17a03ae794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edde35a242b2f9e935e0c20668db6dbc2bc23ff8d1c50f1da16e0e17a03ae794", kill_on_drop: false }`
[INFO] [stdout] edde35a242b2f9e935e0c20668db6dbc2bc23ff8d1c50f1da16e0e17a03ae794
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e9e06ce8b9112cab8e263e0436610256ba18768146a4429efd14b267772b310
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8e9e06ce8b9112cab8e263e0436610256ba18768146a4429efd14b267772b310", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling rack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.00s
[INFO] running `Command { std: "docker" "inspect" "8e9e06ce8b9112cab8e263e0436610256ba18768146a4429efd14b267772b310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e9e06ce8b9112cab8e263e0436610256ba18768146a4429efd14b267772b310", kill_on_drop: false }`
[INFO] [stdout] 8e9e06ce8b9112cab8e263e0436610256ba18768146a4429efd14b267772b310
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 581e893bfc17087c63e6ff16b8035a4b1dbaaa86ab0e631f85f8e93cfe7db002
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "581e893bfc17087c63e6ff16b8035a4b1dbaaa86ab0e631f85f8e93cfe7db002", kill_on_drop: false }`
[INFO] [stderr]    Compiling rack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "581e893bfc17087c63e6ff16b8035a4b1dbaaa86ab0e631f85f8e93cfe7db002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "581e893bfc17087c63e6ff16b8035a4b1dbaaa86ab0e631f85f8e93cfe7db002", kill_on_drop: false }`
[INFO] [stdout] 581e893bfc17087c63e6ff16b8035a4b1dbaaa86ab0e631f85f8e93cfe7db002
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 98ef021b848b01690234d9ec1bf84830fc7b7e3c55e2ea980835118266d6eb60
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "98ef021b848b01690234d9ec1bf84830fc7b7e3c55e2ea980835118266d6eb60", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rack-52d8b81df4e0b540)
[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" "98ef021b848b01690234d9ec1bf84830fc7b7e3c55e2ea980835118266d6eb60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98ef021b848b01690234d9ec1bf84830fc7b7e3c55e2ea980835118266d6eb60", kill_on_drop: false }`
[INFO] [stdout] 98ef021b848b01690234d9ec1bf84830fc7b7e3c55e2ea980835118266d6eb60