[INFO] fetching crate vartyint 0.1.0...
[INFO] testing vartyint-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate vartyint 0.1.0 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate vartyint 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 vartyint 0.1.0
[INFO] finished tweaking crates.io crate vartyint 0.1.0
[INFO] tweaked toml for crates.io crate vartyint 0.1.0 written to /workspace/builds/worker-37/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-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] a6c66b44bf760a5778e0e57701dc8bd9f718ede16b590e906349ee5b94028756
[INFO] running `Command { std: "docker" "start" "-a" "a6c66b44bf760a5778e0e57701dc8bd9f718ede16b590e906349ee5b94028756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6c66b44bf760a5778e0e57701dc8bd9f718ede16b590e906349ee5b94028756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6c66b44bf760a5778e0e57701dc8bd9f718ede16b590e906349ee5b94028756", kill_on_drop: false }`
[INFO] [stdout] a6c66b44bf760a5778e0e57701dc8bd9f718ede16b590e906349ee5b94028756
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] c4ac77ad3fe8dc8b8590e593b4d594d6047d63d23f4c168083b7f470261c2fd1
[INFO] running `Command { std: "docker" "start" "-a" "c4ac77ad3fe8dc8b8590e593b4d594d6047d63d23f4c168083b7f470261c2fd1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling vartyint v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "c4ac77ad3fe8dc8b8590e593b4d594d6047d63d23f4c168083b7f470261c2fd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4ac77ad3fe8dc8b8590e593b4d594d6047d63d23f4c168083b7f470261c2fd1", kill_on_drop: false }`
[INFO] [stdout] c4ac77ad3fe8dc8b8590e593b4d594d6047d63d23f4c168083b7f470261c2fd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] ddf977e329a5c285fc042e85cd82537b59f0dc06b2960797d4b08a46d6df4796
[INFO] running `Command { std: "docker" "start" "-a" "ddf977e329a5c285fc042e85cd82537b59f0dc06b2960797d4b08a46d6df4796", kill_on_drop: false }`
[INFO] [stderr]    Compiling vartyint v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "ddf977e329a5c285fc042e85cd82537b59f0dc06b2960797d4b08a46d6df4796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddf977e329a5c285fc042e85cd82537b59f0dc06b2960797d4b08a46d6df4796", kill_on_drop: false }`
[INFO] [stdout] ddf977e329a5c285fc042e85cd82537b59f0dc06b2960797d4b08a46d6df4796
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 8d72da5ff6808da851d8827c54ad9b654198dba4755c45757ebc020535dc591f
[INFO] running `Command { std: "docker" "start" "-a" "8d72da5ff6808da851d8827c54ad9b654198dba4755c45757ebc020535dc591f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vartyint-9ee4ff3f26a9e03f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vartyint
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::bad1 ... ok
[INFO] [stdout] test tests::bad2 ... ok
[INFO] [stdout] test tests::varint_idempotent1 ... ok
[INFO] [stdout] test tests::write1 ... ok
[INFO] [stdout] test tests::traits1 ... ok
[INFO] [stdout] test tests::read1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.61s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8d72da5ff6808da851d8827c54ad9b654198dba4755c45757ebc020535dc591f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d72da5ff6808da851d8827c54ad9b654198dba4755c45757ebc020535dc591f", kill_on_drop: false }`
[INFO] [stdout] 8d72da5ff6808da851d8827c54ad9b654198dba4755c45757ebc020535dc591f