[INFO] cloning repository https://github.com/jnhyatt/websock
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jnhyatt/websock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjnhyatt%2Fwebsock", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjnhyatt%2Fwebsock'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a26d8489e33e4956e47fd25207439a13b1d92fd7
[INFO] checking jnhyatt/websock against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjnhyatt%2Fwebsock" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jnhyatt/websock on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jnhyatt/websock
[INFO] finished tweaking git repo https://github.com/jnhyatt/websock
[INFO] tweaked toml for git repo https://github.com/jnhyatt/websock written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jnhyatt/websock 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blocking v1.4.0
[INFO] [stderr]   Downloaded parking v2.1.1
[INFO] [stderr]   Downloaded async-task v4.4.1
[INFO] [stderr]   Downloaded async-executor v1.5.4
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7166b74d93e0c458418465c187091957f970e439a26302557791caaa46e63a02
[INFO] running `Command { std: "docker" "start" "-a" "7166b74d93e0c458418465c187091957f970e439a26302557791caaa46e63a02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7166b74d93e0c458418465c187091957f970e439a26302557791caaa46e63a02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7166b74d93e0c458418465c187091957f970e439a26302557791caaa46e63a02", kill_on_drop: false }`
[INFO] [stdout] 7166b74d93e0c458418465c187091957f970e439a26302557791caaa46e63a02
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3180aa6c9608425a0182b40b4217440bd7bc00d8120d090a975586c4abe20736
[INFO] running `Command { std: "docker" "start" "-a" "3180aa6c9608425a0182b40b4217440bd7bc00d8120d090a975586c4abe20736", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking parking v2.1.1
[INFO] [stderr]     Checking value-bag v1.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking async-task v4.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking concurrent-queue v2.3.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking polling v2.8.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking async-executor v1.5.4
[INFO] [stderr]     Checking blocking v1.4.0
[INFO] [stderr]     Checking async-io v1.13.0
[INFO] [stderr]     Checking async-global-executor v2.3.1
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking ws v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `is_last_frag`, `op_code`, `masking_key`, and `payload` are never read
[INFO] [stdout]   --> src/bin/client.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Frame {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 24 |     is_last_frag: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 25 |     op_code: OpCode,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 26 |     masking_key: Option<u32>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 27 |     payload: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Frame` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `is_last_frag`, `op_code`, `masking_key`, and `payload` are never read
[INFO] [stdout]   --> src/bin/client.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Frame {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 24 |     is_last_frag: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 25 |     op_code: OpCode,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 26 |     masking_key: Option<u32>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 27 |     payload: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Frame` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 14.94s
[INFO] running `Command { std: "docker" "inspect" "3180aa6c9608425a0182b40b4217440bd7bc00d8120d090a975586c4abe20736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3180aa6c9608425a0182b40b4217440bd7bc00d8120d090a975586c4abe20736", kill_on_drop: false }`
[INFO] [stdout] 3180aa6c9608425a0182b40b4217440bd7bc00d8120d090a975586c4abe20736
[INFO] checking jnhyatt/websock against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjnhyatt%2Fwebsock" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jnhyatt/websock on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jnhyatt/websock
[INFO] finished tweaking git repo https://github.com/jnhyatt/websock
[INFO] tweaked toml for git repo https://github.com/jnhyatt/websock written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jnhyatt/websock 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8aca73bbe17fe621c4e5df6993c9d0e04784e7ffab9e70070042969f69e82313
[INFO] running `Command { std: "docker" "start" "-a" "8aca73bbe17fe621c4e5df6993c9d0e04784e7ffab9e70070042969f69e82313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8aca73bbe17fe621c4e5df6993c9d0e04784e7ffab9e70070042969f69e82313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aca73bbe17fe621c4e5df6993c9d0e04784e7ffab9e70070042969f69e82313", kill_on_drop: false }`
[INFO] [stdout] 8aca73bbe17fe621c4e5df6993c9d0e04784e7ffab9e70070042969f69e82313
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9af62b55f92c1639c78a1f287d6408893e5663f024eb5322ebb78ca9d9166ebd
[INFO] running `Command { std: "docker" "start" "-a" "9af62b55f92c1639c78a1f287d6408893e5663f024eb5322ebb78ca9d9166ebd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking value-bag v1.4.1
[INFO] [stderr]     Checking parking v2.1.1
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking async-task v4.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking concurrent-queue v2.3.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking async-executor v1.5.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking blocking v1.4.0
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking polling v2.8.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking async-io v1.13.0
[INFO] [stderr]     Checking async-global-executor v2.3.1
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking ws v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `is_last_frag`, `op_code`, `masking_key`, and `payload` are never read
[INFO] [stdout]   --> src/bin/client.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Frame {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 24 |     is_last_frag: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 25 |     op_code: OpCode,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 26 |     masking_key: Option<u32>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 27 |     payload: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Frame` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `is_last_frag`, `op_code`, `masking_key`, and `payload` are never read
[INFO] [stdout]   --> src/bin/client.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Frame {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 24 |     is_last_frag: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 25 |     op_code: OpCode,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 26 |     masking_key: Option<u32>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 27 |     payload: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Frame` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.74s
[INFO] running `Command { std: "docker" "inspect" "9af62b55f92c1639c78a1f287d6408893e5663f024eb5322ebb78ca9d9166ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9af62b55f92c1639c78a1f287d6408893e5663f024eb5322ebb78ca9d9166ebd", kill_on_drop: false }`
[INFO] [stdout] 9af62b55f92c1639c78a1f287d6408893e5663f024eb5322ebb78ca9d9166ebd