[INFO] fetching crate mprs 0.1.8...
[INFO] testing mprs-0.1.8 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate mprs 0.1.8 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate mprs 0.1.8 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 crates.io crate mprs 0.1.8
[INFO] finished tweaking crates.io crate mprs 0.1.8
[INFO] tweaked toml for crates.io crate mprs 0.1.8 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate crates.io crate mprs 0.1.8 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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] bb8bc6b0ee3fc08ca72b1a5a61a074403d54c120d86b09ab8663e9d529b2b1c9
[INFO] running `Command { std: "docker" "start" "-a" "bb8bc6b0ee3fc08ca72b1a5a61a074403d54c120d86b09ab8663e9d529b2b1c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb8bc6b0ee3fc08ca72b1a5a61a074403d54c120d86b09ab8663e9d529b2b1c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb8bc6b0ee3fc08ca72b1a5a61a074403d54c120d86b09ab8663e9d529b2b1c9", kill_on_drop: false }`
[INFO] [stdout] bb8bc6b0ee3fc08ca72b1a5a61a074403d54c120d86b09ab8663e9d529b2b1c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 4cfd300cc91facbf632810fb379f756f432d2cd72f59de069bb0e021ebeab5bc
[INFO] running `Command { std: "docker" "start" "-a" "4cfd300cc91facbf632810fb379f756f432d2cd72f59de069bb0e021ebeab5bc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling mpd v0.0.12
[INFO] [stderr]    Compiling mprs v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.02s
[INFO] running `Command { std: "docker" "inspect" "4cfd300cc91facbf632810fb379f756f432d2cd72f59de069bb0e021ebeab5bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cfd300cc91facbf632810fb379f756f432d2cd72f59de069bb0e021ebeab5bc", kill_on_drop: false }`
[INFO] [stdout] 4cfd300cc91facbf632810fb379f756f432d2cd72f59de069bb0e021ebeab5bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] c6f2ffdc0fede136606d51d93653d6f8e3cb26cd3da32b51f14146601bfef95c
[INFO] running `Command { std: "docker" "start" "-a" "c6f2ffdc0fede136606d51d93653d6f8e3cb26cd3da32b51f14146601bfef95c", kill_on_drop: false }`
[INFO] [stderr]    Compiling mprs v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "c6f2ffdc0fede136606d51d93653d6f8e3cb26cd3da32b51f14146601bfef95c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6f2ffdc0fede136606d51d93653d6f8e3cb26cd3da32b51f14146601bfef95c", kill_on_drop: false }`
[INFO] [stdout] c6f2ffdc0fede136606d51d93653d6f8e3cb26cd3da32b51f14146601bfef95c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] b2aea9e6dd0572d2a48ecee527ab66c72df305eb1c03481754e97472e8f1e564
[INFO] running `Command { std: "docker" "start" "-a" "b2aea9e6dd0572d2a48ecee527ab66c72df305eb1c03481754e97472e8f1e564", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mprs-fef275d701ece20c)
[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" "b2aea9e6dd0572d2a48ecee527ab66c72df305eb1c03481754e97472e8f1e564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2aea9e6dd0572d2a48ecee527ab66c72df305eb1c03481754e97472e8f1e564", kill_on_drop: false }`
[INFO] [stdout] b2aea9e6dd0572d2a48ecee527ab66c72df305eb1c03481754e97472e8f1e564