[INFO] fetching crate nson 0.12.1...
[INFO] testing nson-0.12.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate nson 0.12.1 into /workspace/builds/worker-71/source
[INFO] validating manifest of crates.io crate nson 0.12.1 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 nson 0.12.1
[INFO] finished tweaking crates.io crate nson 0.12.1
[INFO] tweaked toml for crates.io crate nson 0.12.1 written to /workspace/builds/worker-71/source/Cargo.toml
[INFO] crate crates.io crate nson 0.12.1 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-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] 3d8be7e69d46addcbc8dc37ed51f6415efe89ed16b875e66c8d77df1b9cd3fe8
[INFO] running `Command { std: "docker" "start" "-a" "3d8be7e69d46addcbc8dc37ed51f6415efe89ed16b875e66c8d77df1b9cd3fe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d8be7e69d46addcbc8dc37ed51f6415efe89ed16b875e66c8d77df1b9cd3fe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d8be7e69d46addcbc8dc37ed51f6415efe89ed16b875e66c8d77df1b9cd3fe8", kill_on_drop: false }`
[INFO] [stdout] 3d8be7e69d46addcbc8dc37ed51f6415efe89ed16b875e66c8d77df1b9cd3fe8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] 6d895af67c3d5762d5ecd66c83c9f70c5600a71805906bb443fd44e13d4e6e02
[INFO] running `Command { std: "docker" "start" "-a" "6d895af67c3d5762d5ecd66c83c9f70c5600a71805906bb443fd44e13d4e6e02", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling nson v0.12.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.52s
[INFO] running `Command { std: "docker" "inspect" "6d895af67c3d5762d5ecd66c83c9f70c5600a71805906bb443fd44e13d4e6e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d895af67c3d5762d5ecd66c83c9f70c5600a71805906bb443fd44e13d4e6e02", kill_on_drop: false }`
[INFO] [stdout] 6d895af67c3d5762d5ecd66c83c9f70c5600a71805906bb443fd44e13d4e6e02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] a44d499e8cc3a9cec79163f6192660453a0497e9d6af0ec3ee005386bdce8d85
[INFO] running `Command { std: "docker" "start" "-a" "a44d499e8cc3a9cec79163f6192660453a0497e9d6af0ec3ee005386bdce8d85", kill_on_drop: false }`
[INFO] [stderr]    Compiling nson v0.12.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "a44d499e8cc3a9cec79163f6192660453a0497e9d6af0ec3ee005386bdce8d85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a44d499e8cc3a9cec79163f6192660453a0497e9d6af0ec3ee005386bdce8d85", kill_on_drop: false }`
[INFO] [stdout] a44d499e8cc3a9cec79163f6192660453a0497e9d6af0ec3ee005386bdce8d85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] 54b7efa5965f7b01c25bcceb2c50c981b6dda565fde04982cc425b4acad8e4af
[INFO] running `Command { std: "docker" "start" "-a" "54b7efa5965f7b01c25bcceb2c50c981b6dda565fde04982cc425b4acad8e4af", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nson-a2fa01ec87f611f9)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test array::test::to_vec ... ok
[INFO] [stdout] test encode::test::encode ... ok
[INFO] [stdout] test message::test::extend ... ok
[INFO] [stdout] test tests::serialize_and_deserialize ... ok
[INFO] [stdout] test message::test::to_vec ... ok
[INFO] [stdout] test tests::binary ... ok
[INFO] [stdout] test json::test::convert_json ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nson
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/message_id.rs - message_id::MessageId::with_bytes (line 58) ... ok
[INFO] [stdout] test src/macros.rs - msg (line 225) ... ok
[INFO] [stdout] test src/message_id.rs - message_id::MessageId::new (line 33) ... ok
[INFO] [stdout] test src/message_id.rs - message_id::MessageId::with_string (line 74) ... ok
[INFO] [stdout] test src/macros.rs - nson (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.88s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "54b7efa5965f7b01c25bcceb2c50c981b6dda565fde04982cc425b4acad8e4af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54b7efa5965f7b01c25bcceb2c50c981b6dda565fde04982cc425b4acad8e4af", kill_on_drop: false }`
[INFO] [stdout] 54b7efa5965f7b01c25bcceb2c50c981b6dda565fde04982cc425b4acad8e4af