[INFO] fetching crate rsrs-core 0.1.0...
[INFO] checking rsrs-core-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate rsrs-core 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rsrs-core 0.1.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rsrs-core 0.1.0
[INFO] finished tweaking crates.io crate rsrs-core 0.1.0
[INFO] tweaked toml for crates.io crate rsrs-core 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding convert_case v0.4.0 (latest: v0.6.0)
[INFO] [stderr]       Adding derive_more v0.99.18 (latest: v1.0.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded recode v0.5.0-alpha.3
[INFO] [stderr]   Downloaded from-to-repr v0.2.2
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a00fa0f719038b8c4a303443253888734913af3f245717d518d125463bc573a
[INFO] running `Command { std: "docker" "start" "-a" "3a00fa0f719038b8c4a303443253888734913af3f245717d518d125463bc573a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a00fa0f719038b8c4a303443253888734913af3f245717d518d125463bc573a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a00fa0f719038b8c4a303443253888734913af3f245717d518d125463bc573a", kill_on_drop: false }`
[INFO] [stdout] 3a00fa0f719038b8c4a303443253888734913af3f245717d518d125463bc573a
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7318e87d3e3ef22ff5a9b2f65774d9fac33f9d3f5c5b68fee58f035e6e6bb366
[INFO] running `Command { std: "docker" "start" "-a" "7318e87d3e3ef22ff5a9b2f65774d9fac33f9d3f5c5b68fee58f035e6e6bb366", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking ux v0.1.6
[INFO] [stderr]    Compiling from-to-repr v0.2.2
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling derive_more v0.99.18
[INFO] [stderr]    Compiling recode-derive v0.5.0-alpha.1
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking recode v0.5.0-alpha.3
[INFO] [stderr]     Checking rsrs-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `metadata`, `data`, `payload_len`, and `total_len` are never used
[INFO] [stdout]   --> src/fragmentation/payload.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub trait PayloadFrame: FrameVariant {
[INFO] [stdout]    |           ------------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn metadata(&self) -> &BytesMut;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn data(&self) -> &BytesMut;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn payload_len(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn total_len(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `metadata`, `data`, `payload_len`, and `total_len` are never used
[INFO] [stdout]   --> src/fragmentation/payload.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub trait PayloadFrame: FrameVariant {
[INFO] [stdout]    |           ------------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn metadata(&self) -> &BytesMut;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn data(&self) -> &BytesMut;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn payload_len(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn total_len(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[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 14.92s
[INFO] running `Command { std: "docker" "inspect" "7318e87d3e3ef22ff5a9b2f65774d9fac33f9d3f5c5b68fee58f035e6e6bb366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7318e87d3e3ef22ff5a9b2f65774d9fac33f9d3f5c5b68fee58f035e6e6bb366", kill_on_drop: false }`
[INFO] [stdout] 7318e87d3e3ef22ff5a9b2f65774d9fac33f9d3f5c5b68fee58f035e6e6bb366