[INFO] fetching crate ecksport-core 0.3.3...
[INFO] checking ecksport-core-0.3.3 against try#0edd13c68435d50367c79cef43ac2768d2ec4f3d for pr-129422
[INFO] extracting crate ecksport-core 0.3.3 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate ecksport-core 0.3.3 on toolchain 0edd13c68435d50367c79cef43ac2768d2ec4f3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ecksport-core 0.3.3
[INFO] finished tweaking crates.io crate ecksport-core 0.3.3
[INFO] tweaked toml for crates.io crate ecksport-core 0.3.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 78 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.24.1)
[INFO] [stderr]       Adding gimli v0.29.0 (latest: v0.31.0)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (latest: v0.4.0)
[INFO] [stderr]       Adding miniz_oxide v0.7.4 (latest: v0.8.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (latest: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7b1ea729bdc32ca555fd8925c3ec25195fa0f29360103dfdc4e81d9205763e3
[INFO] running `Command { std: "docker" "start" "-a" "d7b1ea729bdc32ca555fd8925c3ec25195fa0f29360103dfdc4e81d9205763e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7b1ea729bdc32ca555fd8925c3ec25195fa0f29360103dfdc4e81d9205763e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7b1ea729bdc32ca555fd8925c3ec25195fa0f29360103dfdc4e81d9205763e3", kill_on_drop: false }`
[INFO] [stdout] d7b1ea729bdc32ca555fd8925c3ec25195fa0f29360103dfdc4e81d9205763e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5546b2ba1a244e1c420afd7c7cc0c4d49128a7b4b635b3438a73ee0d809aba8e
[INFO] running `Command { std: "docker" "start" "-a" "5546b2ba1a244e1c420afd7c7cc0c4d49128a7b4b635b3438a73ee0d809aba8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling borsh v1.5.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling syn_derive v0.1.8
[INFO] [stderr]    Compiling num_enum_derive v0.7.3
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]    Compiling borsh-derive v1.5.1
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking num_enum v0.7.3
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking ecksport-core v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `header` is never read
[INFO] [stdout]   --> src/frame.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Frame {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 17 |     header: FrameHeader,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Frame` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flags` is never read
[INFO] [stdout]   --> src/frame.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct FrameHeader {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 45 |     flags: u16,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FrameHeader` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `header` is never read
[INFO] [stdout]   --> src/frame.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Frame {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 17 |     header: FrameHeader,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Frame` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flags` is never read
[INFO] [stdout]   --> src/frame.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct FrameHeader {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 45 |     flags: u16,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FrameHeader` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.70s
[INFO] running `Command { std: "docker" "inspect" "5546b2ba1a244e1c420afd7c7cc0c4d49128a7b4b635b3438a73ee0d809aba8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5546b2ba1a244e1c420afd7c7cc0c4d49128a7b4b635b3438a73ee0d809aba8e", kill_on_drop: false }`
[INFO] [stdout] 5546b2ba1a244e1c420afd7c7cc0c4d49128a7b4b635b3438a73ee0d809aba8e