[INFO] fetching crate mir-protocol 0.1.0...
[INFO] testing mir-protocol-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mir-protocol 0.1.0 into /workspace/builds/worker-43/source
[INFO] validating manifest of crates.io crate mir-protocol 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mir-protocol 0.1.0
[INFO] finished tweaking crates.io crate mir-protocol 0.1.0
[INFO] tweaked toml for crates.io crate mir-protocol 0.1.0 written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate crates.io crate mir-protocol 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08438b4297ca25a7a63f489bb283e39b606ade0ebc1794c4fb67ae1210edc5af
[INFO] running `Command { std: "docker" "start" "-a" "08438b4297ca25a7a63f489bb283e39b606ade0ebc1794c4fb67ae1210edc5af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08438b4297ca25a7a63f489bb283e39b606ade0ebc1794c4fb67ae1210edc5af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08438b4297ca25a7a63f489bb283e39b606ade0ebc1794c4fb67ae1210edc5af", kill_on_drop: false }`
[INFO] [stdout] 08438b4297ca25a7a63f489bb283e39b606ade0ebc1794c4fb67ae1210edc5af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ad75877a343f5a63613269f2b20c6d94e5d64ed6e4ea5073929aa78243f8220
[INFO] running `Command { std: "docker" "start" "-a" "3ad75877a343f5a63613269f2b20c6d94e5d64ed6e4ea5073929aa78243f8220", kill_on_drop: false }`
[INFO] [stderr]    Compiling mir-protocol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "3ad75877a343f5a63613269f2b20c6d94e5d64ed6e4ea5073929aa78243f8220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ad75877a343f5a63613269f2b20c6d94e5d64ed6e4ea5073929aa78243f8220", kill_on_drop: false }`
[INFO] [stdout] 3ad75877a343f5a63613269f2b20c6d94e5d64ed6e4ea5073929aa78243f8220
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e738fc9f810ae25ed253ee167d88ca9a941056f54bae0e06bc9d4cb510521d35
[INFO] running `Command { std: "docker" "start" "-a" "e738fc9f810ae25ed253ee167d88ca9a941056f54bae0e06bc9d4cb510521d35", kill_on_drop: false }`
[INFO] [stderr]    Compiling mir-protocol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "e738fc9f810ae25ed253ee167d88ca9a941056f54bae0e06bc9d4cb510521d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e738fc9f810ae25ed253ee167d88ca9a941056f54bae0e06bc9d4cb510521d35", kill_on_drop: false }`
[INFO] [stdout] e738fc9f810ae25ed253ee167d88ca9a941056f54bae0e06bc9d4cb510521d35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aaf03b450b29feca41dff9fa3a171eff6c1939dc63f3ea7a1cbb1c2362cdf68e
[INFO] running `Command { std: "docker" "start" "-a" "aaf03b450b29feca41dff9fa3a171eff6c1939dc63f3ea7a1cbb1c2362cdf68e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mir_protocol-81f10388ed51f4ee)
[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" "aaf03b450b29feca41dff9fa3a171eff6c1939dc63f3ea7a1cbb1c2362cdf68e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaf03b450b29feca41dff9fa3a171eff6c1939dc63f3ea7a1cbb1c2362cdf68e", kill_on_drop: false }`
[INFO] [stdout] aaf03b450b29feca41dff9fa3a171eff6c1939dc63f3ea7a1cbb1c2362cdf68e