[INFO] fetching crate mahkoh 0.1.0...
[INFO] testing mahkoh-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate mahkoh 0.1.0 into /workspace/builds/worker-107/source
[INFO] validating manifest of crates.io crate mahkoh 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mahkoh 0.1.0
[INFO] finished tweaking crates.io crate mahkoh 0.1.0
[INFO] tweaked toml for crates.io crate mahkoh 0.1.0 written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate crates.io crate mahkoh 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a99f7aa75eb2dc66da305e12f8b4cf6e4f959f4a8db6ff4a5e4d4d0001789e6c
[INFO] running `Command { std: "docker" "start" "-a" "a99f7aa75eb2dc66da305e12f8b4cf6e4f959f4a8db6ff4a5e4d4d0001789e6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a99f7aa75eb2dc66da305e12f8b4cf6e4f959f4a8db6ff4a5e4d4d0001789e6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a99f7aa75eb2dc66da305e12f8b4cf6e4f959f4a8db6ff4a5e4d4d0001789e6c", kill_on_drop: false }`
[INFO] [stdout] a99f7aa75eb2dc66da305e12f8b4cf6e4f959f4a8db6ff4a5e4d4d0001789e6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f54323d477d925e3ab04765f311d5b0d88b5ab1509d81f98c2b3d6cb09fad9a1
[INFO] running `Command { std: "docker" "start" "-a" "f54323d477d925e3ab04765f311d5b0d88b5ab1509d81f98c2b3d6cb09fad9a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling mahkoh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "f54323d477d925e3ab04765f311d5b0d88b5ab1509d81f98c2b3d6cb09fad9a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f54323d477d925e3ab04765f311d5b0d88b5ab1509d81f98c2b3d6cb09fad9a1", kill_on_drop: false }`
[INFO] [stdout] f54323d477d925e3ab04765f311d5b0d88b5ab1509d81f98c2b3d6cb09fad9a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1a0a3373f376debf04543e62a74cd668b3730654284bf0529c5d3965413150a
[INFO] running `Command { std: "docker" "start" "-a" "f1a0a3373f376debf04543e62a74cd668b3730654284bf0529c5d3965413150a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mahkoh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "f1a0a3373f376debf04543e62a74cd668b3730654284bf0529c5d3965413150a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1a0a3373f376debf04543e62a74cd668b3730654284bf0529c5d3965413150a", kill_on_drop: false }`
[INFO] [stdout] f1a0a3373f376debf04543e62a74cd668b3730654284bf0529c5d3965413150a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f03c1d0d9175383e599a0d356b62c6d9d7cfbb2ca3032d89fadbe6f176d399a0
[INFO] running `Command { std: "docker" "start" "-a" "f03c1d0d9175383e599a0d356b62c6d9d7cfbb2ca3032d89fadbe6f176d399a0", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mahkoh-35f7bf93467d58bb)
[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" "f03c1d0d9175383e599a0d356b62c6d9d7cfbb2ca3032d89fadbe6f176d399a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f03c1d0d9175383e599a0d356b62c6d9d7cfbb2ca3032d89fadbe6f176d399a0", kill_on_drop: false }`
[INFO] [stdout] f03c1d0d9175383e599a0d356b62c6d9d7cfbb2ca3032d89fadbe6f176d399a0