[INFO] fetching crate rrpack-basis 0.41.0...
[INFO] checking rrpack-basis-0.41.0 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate rrpack-basis 0.41.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rrpack-basis 0.41.0
[INFO] finished tweaking crates.io crate rrpack-basis 0.41.0
[INFO] tweaked toml for crates.io crate rrpack-basis 0.41.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rrpack-basis 0.41.0 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 171 packages to latest compatible versions
[INFO] [stderr]       Adding derive_more v0.99.20 (available: v2.0.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rill-engine v0.41.0
[INFO] [stderr]   Downloaded rill-derive v0.41.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e09a03808a69ede73191990a1498f0ebb550a45d1d29e2d55cb7e2424b91e35
[INFO] running `Command { std: "docker" "start" "-a" "6e09a03808a69ede73191990a1498f0ebb550a45d1d29e2d55cb7e2424b91e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e09a03808a69ede73191990a1498f0ebb550a45d1d29e2d55cb7e2424b91e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e09a03808a69ede73191990a1498f0ebb550a45d1d29e2d55cb7e2424b91e35", kill_on_drop: false }`
[INFO] [stdout] 6e09a03808a69ede73191990a1498f0ebb550a45d1d29e2d55cb7e2424b91e35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75677637d9fdaedf6252069b2cf79168a98bcc95f70cf0f9fe50f45565e48494
[INFO] running `Command { std: "docker" "start" "-a" "75677637d9fdaedf6252069b2cf79168a98bcc95f70cf0f9fe50f45565e48494", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking tokio-util v0.7.17
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking meio-protocol v0.95.2
[INFO] [stderr]     Checking tokio-util v0.6.10
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking serde_qs v0.8.5
[INFO] [stderr]     Checking vectorize v0.2.0
[INFO] [stderr]     Checking metacrate v0.1.2
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]     Checking tungstenite v0.14.0
[INFO] [stderr]     Checking h2 v0.3.27
[INFO] [stderr]     Checking tokio-tungstenite v0.15.0
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling rill-derive v0.41.0
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking meio v0.95.2
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]     Checking meio-connect v0.95.2
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]     Checking flexbuffers v2.0.0
[INFO] [stderr]     Checking rill-protocol v0.41.0
[INFO] [stderr]     Checking rill-engine v0.41.0
[INFO] [stderr]     Checking rrpack-basis v0.41.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `binder` is never read
[INFO] [stdout]   --> src/manifest/binder.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct BindedTracer<T: PackFlow> {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     binder: Binder,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BindedTracer` has derived impls for the traits `Clone` and `Debug`, but these are 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 `binder` is never read
[INFO] [stdout]   --> src/manifest/binder.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct BindedTracer<T: PackFlow> {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     binder: Binder,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BindedTracer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.95s
[INFO] running `Command { std: "docker" "inspect" "75677637d9fdaedf6252069b2cf79168a98bcc95f70cf0f9fe50f45565e48494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75677637d9fdaedf6252069b2cf79168a98bcc95f70cf0f9fe50f45565e48494", kill_on_drop: false }`
[INFO] [stdout] 75677637d9fdaedf6252069b2cf79168a98bcc95f70cf0f9fe50f45565e48494