[INFO] cloning repository https://github.com/cs3238-tsuzu/umaximize
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cs3238-tsuzu/umaximize" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcs3238-tsuzu%2Fumaximize", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcs3238-tsuzu%2Fumaximize'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba7b06c17e95c5f234b1baeb7b940e71ff0edf18
[INFO] testing cs3238-tsuzu/umaximize against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcs3238-tsuzu%2Fumaximize" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cs3238-tsuzu/umaximize 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/cs3238-tsuzu/umaximize
[INFO] finished tweaking git repo https://github.com/cs3238-tsuzu/umaximize
[INFO] tweaked toml for git repo https://github.com/cs3238-tsuzu/umaximize written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/cs3238-tsuzu/umaximize 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded squote v0.1.2
[INFO] [stderr]   Downloaded windows_macros v0.7.0
[INFO] [stderr]   Downloaded windows v0.7.0
[INFO] [stderr]   Downloaded windows_gen v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 254238815d7fa9aed1f57d296604c312f06d09e44bb27da0e5b00ed787e7c86c
[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" "254238815d7fa9aed1f57d296604c312f06d09e44bb27da0e5b00ed787e7c86c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "254238815d7fa9aed1f57d296604c312f06d09e44bb27da0e5b00ed787e7c86c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "254238815d7fa9aed1f57d296604c312f06d09e44bb27da0e5b00ed787e7c86c", kill_on_drop: false }`
[INFO] [stdout] 254238815d7fa9aed1f57d296604c312f06d09e44bb27da0e5b00ed787e7c86c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 963c7f20d8506ab4b24b85522bda97b8b016aed794c1bee26ecabae07c05087b
[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" "963c7f20d8506ab4b24b85522bda97b8b016aed794c1bee26ecabae07c05087b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling squote v0.1.2
[INFO] [stderr]    Compiling const-sha1 v0.2.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling windows_gen v0.7.0
[INFO] [stderr]    Compiling windows_macros v0.7.0
[INFO] [stderr]    Compiling windows v0.7.0
[INFO] [stderr]    Compiling bindings v0.1.0 (/opt/rustwide/workdir/bindings)
[INFO] [stderr]    Compiling umaximize v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.56s
[INFO] running `Command { std: "docker" "inspect" "963c7f20d8506ab4b24b85522bda97b8b016aed794c1bee26ecabae07c05087b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "963c7f20d8506ab4b24b85522bda97b8b016aed794c1bee26ecabae07c05087b", kill_on_drop: false }`
[INFO] [stdout] 963c7f20d8506ab4b24b85522bda97b8b016aed794c1bee26ecabae07c05087b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bace77a5d407f48c19e72a99254698835794d212cee303d280a5d6792ad2fc4e
[INFO] running `Command { std: "docker" "start" "-a" "bace77a5d407f48c19e72a99254698835794d212cee303d280a5d6792ad2fc4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling umaximize v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "bace77a5d407f48c19e72a99254698835794d212cee303d280a5d6792ad2fc4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bace77a5d407f48c19e72a99254698835794d212cee303d280a5d6792ad2fc4e", kill_on_drop: false }`
[INFO] [stdout] bace77a5d407f48c19e72a99254698835794d212cee303d280a5d6792ad2fc4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] e8a2a28e82a7ae4b98138dc9dcd5a21f75ab73c627f1c1ef4cee409a0f96e9fd
[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" "e8a2a28e82a7ae4b98138dc9dcd5a21f75ab73c627f1c1ef4cee409a0f96e9fd", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/umaximize-263d8fa602395b6f)
[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" "e8a2a28e82a7ae4b98138dc9dcd5a21f75ab73c627f1c1ef4cee409a0f96e9fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8a2a28e82a7ae4b98138dc9dcd5a21f75ab73c627f1c1ef4cee409a0f96e9fd", kill_on_drop: false }`
[INFO] [stdout] e8a2a28e82a7ae4b98138dc9dcd5a21f75ab73c627f1c1ef4cee409a0f96e9fd