[INFO] fetching crate destream_json 0.15.0...
[INFO] testing destream_json-0.15.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate destream_json 0.15.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate destream_json 0.15.0
[INFO] finished tweaking crates.io crate destream_json 0.15.0
[INFO] tweaked toml for crates.io crate destream_json 0.15.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate destream_json 0.15.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate destream_json 0.15.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 2 packages to highest compatible versions
[INFO] [stderr]       Adding destream v0.10.1
[INFO] [stderr]       Adding number-general v0.14.0
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-test v0.4.5
[INFO] [stderr]   Downloaded test-case-macros v3.3.1
[INFO] [stderr]   Downloaded test-case-core v3.3.1
[INFO] [stderr]   Downloaded test-case v3.3.1
[INFO] [stderr]   Downloaded number-general v0.14.0
[INFO] [stderr]   Downloaded attribute-derive-macro v0.6.1
[INFO] [stderr]   Downloaded get-size-derive v0.1.3
[INFO] [stderr]   Downloaded destream v0.10.1
[INFO] [stderr]   Downloaded collate v0.4.2
[INFO] [stderr]   Downloaded safecast v0.2.3
[INFO] [stderr]   Downloaded collection_literals v1.0.3
[INFO] [stderr]   Downloaded proc-macro-utils v0.8.0
[INFO] [stderr]   Downloaded interpolator v0.5.0
[INFO] [stderr]   Downloaded quote-use-macros v0.7.2
[INFO] [stderr]   Downloaded get-size v0.1.4
[INFO] [stderr]   Downloaded derive-where v1.6.0
[INFO] [stderr]   Downloaded attribute-derive v0.6.1
[INFO] [stderr]   Downloaded quote-use v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1a83ed165fd19a6a8d5c4975c9d8672a9b6a66afc607b7806348bceeb0b29757
[INFO] running `Command { std: "docker" "start" "1a83ed165fd19a6a8d5c4975c9d8672a9b6a66afc607b7806348bceeb0b29757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a83ed165fd19a6a8d5c4975c9d8672a9b6a66afc607b7806348bceeb0b29757", kill_on_drop: false }`
[INFO] [stdout] 1a83ed165fd19a6a8d5c4975c9d8672a9b6a66afc607b7806348bceeb0b29757


command failed: exit status: 1

