[INFO] fetching crate jupyter-serde 0.10.0...
[INFO] checking jupyter-serde-0.10.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate jupyter-serde 0.10.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate jupyter-serde 0.10.0
[INFO] finished tweaking crates.io crate jupyter-serde 0.10.0
[INFO] tweaked toml for crates.io crate jupyter-serde 0.10.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate jupyter-serde 0.10.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate jupyter-serde 0.10.0 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jupyter-protocol v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 681f0118f45be6b1ea1e945a5305664cf1d021841295525060ce9c15eb5cb7f6
[INFO] running `Command { std: "docker" "start" "-a" "681f0118f45be6b1ea1e945a5305664cf1d021841295525060ce9c15eb5cb7f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "681f0118f45be6b1ea1e945a5305664cf1d021841295525060ce9c15eb5cb7f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "681f0118f45be6b1ea1e945a5305664cf1d021841295525060ce9c15eb5cb7f6", kill_on_drop: false }`
[INFO] [stdout] 681f0118f45be6b1ea1e945a5305664cf1d021841295525060ce9c15eb5cb7f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7d189cdb1fb1dba57c0e289f01550a904441b1dfc784a55dccb65fe56d8cabf
[INFO] running `Command { std: "docker" "start" "-a" "a7d189cdb1fb1dba57c0e289f01550a904441b1dfc784a55dccb65fe56d8cabf", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking sha1_smol v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling syn v2.0.103
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking uuid v1.17.0
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking jupyter-protocol v0.8.0
[INFO] [stderr]     Checking jupyter-serde v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.29s
[INFO] running `Command { std: "docker" "inspect" "a7d189cdb1fb1dba57c0e289f01550a904441b1dfc784a55dccb65fe56d8cabf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7d189cdb1fb1dba57c0e289f01550a904441b1dfc784a55dccb65fe56d8cabf", kill_on_drop: false }`
[INFO] [stdout] a7d189cdb1fb1dba57c0e289f01550a904441b1dfc784a55dccb65fe56d8cabf