[INFO] fetching crate mycrate 0.1.0...
[INFO] testing mycrate-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mycrate 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mycrate 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 mycrate 0.1.0
[INFO] finished tweaking crates.io crate mycrate 0.1.0
[INFO] tweaked toml for crates.io crate mycrate 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a632792e75dff55f5d4ca519a2c781dcfa48fcfdfefb091a1047b66094063490
[INFO] running `Command { std: "docker" "start" "-a" "a632792e75dff55f5d4ca519a2c781dcfa48fcfdfefb091a1047b66094063490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a632792e75dff55f5d4ca519a2c781dcfa48fcfdfefb091a1047b66094063490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a632792e75dff55f5d4ca519a2c781dcfa48fcfdfefb091a1047b66094063490", kill_on_drop: false }`
[INFO] [stdout] a632792e75dff55f5d4ca519a2c781dcfa48fcfdfefb091a1047b66094063490
[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=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] 8a4bb9cb1985e2584407e5bf61ec48d60b645f371faf97e7f3b7587543970366
[INFO] running `Command { std: "docker" "start" "-a" "8a4bb9cb1985e2584407e5bf61ec48d60b645f371faf97e7f3b7587543970366", kill_on_drop: false }`
[INFO] [stderr]    Compiling mycrate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "8a4bb9cb1985e2584407e5bf61ec48d60b645f371faf97e7f3b7587543970366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a4bb9cb1985e2584407e5bf61ec48d60b645f371faf97e7f3b7587543970366", kill_on_drop: false }`
[INFO] [stdout] 8a4bb9cb1985e2584407e5bf61ec48d60b645f371faf97e7f3b7587543970366
[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=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] eabf8e69ed5202b14d196125f59f29c63846d6738333a5c57061fd98b65c80c0
[INFO] running `Command { std: "docker" "start" "-a" "eabf8e69ed5202b14d196125f59f29c63846d6738333a5c57061fd98b65c80c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling mycrate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "eabf8e69ed5202b14d196125f59f29c63846d6738333a5c57061fd98b65c80c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eabf8e69ed5202b14d196125f59f29c63846d6738333a5c57061fd98b65c80c0", kill_on_drop: false }`
[INFO] [stdout] eabf8e69ed5202b14d196125f59f29c63846d6738333a5c57061fd98b65c80c0
[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=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] 64a86be7d8fa307959cb2539f3a120c7efc4a76136bdc7b7c076ea1c7417cba7
[INFO] running `Command { std: "docker" "start" "-a" "64a86be7d8fa307959cb2539f3a120c7efc4a76136bdc7b7c076ea1c7417cba7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mycrate-2060dcf0eb09116c)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests mycrate
[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] [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" "64a86be7d8fa307959cb2539f3a120c7efc4a76136bdc7b7c076ea1c7417cba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64a86be7d8fa307959cb2539f3a120c7efc4a76136bdc7b7c076ea1c7417cba7", kill_on_drop: false }`
[INFO] [stdout] 64a86be7d8fa307959cb2539f3a120c7efc4a76136bdc7b7c076ea1c7417cba7