[INFO] fetching crate mango_compiler_optimizing 0.1.0...
[INFO] testing mango_compiler_optimizing-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate mango_compiler_optimizing 0.1.0 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate mango_compiler_optimizing 0.1.0 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 mango_compiler_optimizing 0.1.0
[INFO] finished tweaking crates.io crate mango_compiler_optimizing 0.1.0
[INFO] tweaked toml for crates.io crate mango_compiler_optimizing 0.1.0 written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] b15f1dd28606cd76cf7a6110f9efc421c9e0537ef2ef6ac19dcb7b05faed3172
[INFO] running `Command { std: "docker" "start" "-a" "b15f1dd28606cd76cf7a6110f9efc421c9e0537ef2ef6ac19dcb7b05faed3172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b15f1dd28606cd76cf7a6110f9efc421c9e0537ef2ef6ac19dcb7b05faed3172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b15f1dd28606cd76cf7a6110f9efc421c9e0537ef2ef6ac19dcb7b05faed3172", kill_on_drop: false }`
[INFO] [stdout] b15f1dd28606cd76cf7a6110f9efc421c9e0537ef2ef6ac19dcb7b05faed3172
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] c9b8d8bac184ded05c4d095eb7daf63a1c9954c302104257c8c315ddfcc1932d
[INFO] running `Command { std: "docker" "start" "-a" "c9b8d8bac184ded05c4d095eb7daf63a1c9954c302104257c8c315ddfcc1932d", kill_on_drop: false }`
[INFO] [stderr]    Compiling mango_compiler_optimizing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "c9b8d8bac184ded05c4d095eb7daf63a1c9954c302104257c8c315ddfcc1932d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9b8d8bac184ded05c4d095eb7daf63a1c9954c302104257c8c315ddfcc1932d", kill_on_drop: false }`
[INFO] [stdout] c9b8d8bac184ded05c4d095eb7daf63a1c9954c302104257c8c315ddfcc1932d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] b374fc6003bc3bbe43307f7676fdaa1fbd2e428e4638b89692b3789cb81da78e
[INFO] running `Command { std: "docker" "start" "-a" "b374fc6003bc3bbe43307f7676fdaa1fbd2e428e4638b89692b3789cb81da78e", kill_on_drop: false }`
[INFO] [stderr]    Compiling mango_compiler_optimizing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "b374fc6003bc3bbe43307f7676fdaa1fbd2e428e4638b89692b3789cb81da78e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b374fc6003bc3bbe43307f7676fdaa1fbd2e428e4638b89692b3789cb81da78e", kill_on_drop: false }`
[INFO] [stdout] b374fc6003bc3bbe43307f7676fdaa1fbd2e428e4638b89692b3789cb81da78e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 79c369fc09a03f40c6151b6a28c14aebd4e2cf79b9d5766748889a03f988c8bb
[INFO] running `Command { std: "docker" "start" "-a" "79c369fc09a03f40c6151b6a28c14aebd4e2cf79b9d5766748889a03f988c8bb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mango_compiler_optimizing-2541cd86e3f41997)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mango_compiler_optimizing
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "79c369fc09a03f40c6151b6a28c14aebd4e2cf79b9d5766748889a03f988c8bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79c369fc09a03f40c6151b6a28c14aebd4e2cf79b9d5766748889a03f988c8bb", kill_on_drop: false }`
[INFO] [stdout] 79c369fc09a03f40c6151b6a28c14aebd4e2cf79b9d5766748889a03f988c8bb