[INFO] cloning repository https://github.com/shhhQuiettt/saturn_notebook
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shhhQuiettt/saturn_notebook" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshhhQuiettt%2Fsaturn_notebook", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshhhQuiettt%2Fsaturn_notebook'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aeab58f91e482c6760967a4e262255c8afaabc9a
[INFO] checking shhhQuiettt/saturn_notebook against master#12f35ad39ed3e39df4d953c46d4f6cc6c82adc96 for pr-155299-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshhhQuiettt%2Fsaturn_notebook" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/shhhQuiettt/saturn_notebook
[INFO] finished tweaking git repo https://github.com/shhhQuiettt/saturn_notebook
[INFO] tweaked toml for git repo https://github.com/shhhQuiettt/saturn_notebook written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shhhQuiettt/saturn_notebook on toolchain 12f35ad39ed3e39df4d953c46d4f6cc6c82adc96
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+12f35ad39ed3e39df4d953c46d4f6cc6c82adc96" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shhhQuiettt/saturn_notebook 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" "+12f35ad39ed3e39df4d953c46d4f6cc6c82adc96" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jwalk v0.8.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+12f35ad39ed3e39df4d953c46d4f6cc6c82adc96" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37ad2d9f0d29ce06e575641b072621feb96cfba49d62809f7d2821ea22e7fcf2
[INFO] running `Command { std: "docker" "start" "-a" "37ad2d9f0d29ce06e575641b072621feb96cfba49d62809f7d2821ea22e7fcf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37ad2d9f0d29ce06e575641b072621feb96cfba49d62809f7d2821ea22e7fcf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37ad2d9f0d29ce06e575641b072621feb96cfba49d62809f7d2821ea22e7fcf2", kill_on_drop: false }`
[INFO] [stdout] 37ad2d9f0d29ce06e575641b072621feb96cfba49d62809f7d2821ea22e7fcf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+12f35ad39ed3e39df4d953c46d4f6cc6c82adc96" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef3a95563008f7235cbe094c3a0f24c58fca69a51ae1c76006976b6750bc8530
[INFO] running `Command { std: "docker" "start" "-a" "ef3a95563008f7235cbe094c3a0f24c58fca69a51ae1c76006976b6750bc8530", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling libc v0.2.147
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[INFO] [stderr]    Compiling typenum v1.16.0
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[INFO] [stderr]    Compiling unicode-ident v1.0.11
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[INFO] [stderr]    Compiling walkdir v2.3.3
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[INFO] [stderr]     Checking getrandom v0.2.10
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[INFO] [stderr]    Compiling toml v0.7.6
[INFO] [stderr]    Compiling system-deps v6.1.1
[INFO] [stderr]    Compiling zmq-sys v0.12.0
[INFO] [stderr]     Checking saturn_notebook v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `stdin_port`, `control_port`, `hb_port`, `transport`, `signature_scheme`, and `kernel_name` are never read
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct KernelData {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     stdin_port: u16,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 26 |     control_port: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 27 |     hb_port: u16,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     transport: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 31 |     signature_scheme: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 32 |     kernel_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KernelData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `stdin_port`, `control_port`, `hb_port`, `transport`, `signature_scheme`, and `kernel_name` are never read
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct KernelData {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     stdin_port: u16,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 26 |     control_port: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 27 |     hb_port: u16,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     transport: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 31 |     signature_scheme: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 32 |     kernel_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KernelData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `hmac_key` is never read
[INFO] [stdout]    --> src/main.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 105 | struct IOPubSubscriber {
[INFO] [stdout]     |        --------------- field in this struct
[INFO] [stdout] 106 |     zmq_socket: zmq::Socket,
[INFO] [stdout] 107 |     hmac_key: String,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `hmac_key` is never read
[INFO] [stdout]    --> src/main.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 105 | struct IOPubSubscriber {
[INFO] [stdout]     |        --------------- field in this struct
[INFO] [stdout] 106 |     zmq_socket: zmq::Socket,
[INFO] [stdout] 107 |     hmac_key: String,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.24s
[INFO] running `Command { std: "docker" "inspect" "ef3a95563008f7235cbe094c3a0f24c58fca69a51ae1c76006976b6750bc8530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef3a95563008f7235cbe094c3a0f24c58fca69a51ae1c76006976b6750bc8530", kill_on_drop: false }`
[INFO] [stdout] ef3a95563008f7235cbe094c3a0f24c58fca69a51ae1c76006976b6750bc8530