[INFO] fetching crate destream_json 0.12.1...
[INFO] checking destream_json-0.12.1 against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] extracting crate destream_json 0.12.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate destream_json 0.12.1 on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate destream_json 0.12.1
[INFO] finished tweaking crates.io crate destream_json 0.12.1
[INFO] tweaked toml for crates.io crate destream_json 0.12.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 68 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.24.1)
[INFO] [stderr]       Adding attribute-derive v0.6.1 (latest: v0.9.2)
[INFO] [stderr]       Adding attribute-derive-macro v0.6.1 (latest: v0.9.2)
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.1)
[INFO] [stderr]       Adding gimli v0.29.0 (latest: v0.31.0)
[INFO] [stderr]       Adding proc-macro-utils v0.8.0 (latest: v0.10.0)
[INFO] [stderr]       Adding quote-use v0.7.2 (latest: v0.8.3)
[INFO] [stderr]       Adding quote-use-macros v0.7.2 (latest: v0.8.3)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.72)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded safecast v0.2.2
[INFO] [stderr]   Downloaded get-size v0.1.4
[INFO] [stderr]   Downloaded attribute-derive-macro v0.6.1
[INFO] [stderr]   Downloaded attribute-derive v0.6.1
[INFO] [stderr]   Downloaded collate v0.4.1
[INFO] [stderr]   Downloaded get-size-derive v0.1.3
[INFO] [stderr]   Downloaded destream v0.7.3
[INFO] [stderr]   Downloaded number-general v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9177abe648c7cb176e176684b9937dff990dfaac98ddc02b042393113c3d38f
[INFO] running `Command { std: "docker" "start" "-a" "a9177abe648c7cb176e176684b9937dff990dfaac98ddc02b042393113c3d38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9177abe648c7cb176e176684b9937dff990dfaac98ddc02b042393113c3d38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9177abe648c7cb176e176684b9937dff990dfaac98ddc02b042393113c3d38f", kill_on_drop: false }`
[INFO] [stdout] a9177abe648c7cb176e176684b9937dff990dfaac98ddc02b042393113c3d38f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c79135b4c180db06814fb03ac06fe3e7b8a6d76cb5a588277e1043c862bc9f0a
[INFO] running `Command { std: "docker" "start" "-a" "c79135b4c180db06814fb03ac06fe3e7b8a6d76cb5a588277e1043c862bc9f0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling derive-where v1.2.7
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling proc-macro-utils v0.8.0
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling interpolator v0.5.0
[INFO] [stderr]    Compiling collection_literals v1.0.1
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]     Checking uuid v1.10.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking tokio v1.39.2
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]     Checking collate v0.4.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling quote-use-macros v0.7.2
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking safecast v0.2.2
[INFO] [stderr]     Checking get-size v0.1.4
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]    Compiling quote-use v0.7.2
[INFO] [stderr]    Compiling attribute-derive-macro v0.6.1
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]    Compiling attribute-derive v0.6.1
[INFO] [stderr]    Compiling get-size-derive v0.1.3
[INFO] [stderr]     Checking tokio-test v0.4.4
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking destream v0.7.3
[INFO] [stderr]     Checking number-general v0.11.1
[INFO] [stderr]     Checking destream_json v0.12.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Error` is never constructed
[INFO] [stdout]   --> src/lib.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     struct Error;
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.92s
[INFO] running `Command { std: "docker" "inspect" "c79135b4c180db06814fb03ac06fe3e7b8a6d76cb5a588277e1043c862bc9f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c79135b4c180db06814fb03ac06fe3e7b8a6d76cb5a588277e1043c862bc9f0a", kill_on_drop: false }`
[INFO] [stdout] c79135b4c180db06814fb03ac06fe3e7b8a6d76cb5a588277e1043c862bc9f0a