[INFO] fetching crate rsrs-core 0.1.0...
[INFO] checking rsrs-core-0.1.0 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate rsrs-core 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate rsrs-core 0.1.0 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "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-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "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 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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded from-to-repr v0.2.2
[INFO] [stderr]   Downloaded recode v0.5.0-alpha.3
[INFO] [stderr]   Downloaded recode-derive v0.5.0-alpha.1
[INFO] [stderr]   Downloaded ux v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 315ef00791ba2836e627fbf7229cabaefc9a00de89536c44453e0546fbe37e95
[INFO] running `Command { std: "docker" "start" "-a" "315ef00791ba2836e627fbf7229cabaefc9a00de89536c44453e0546fbe37e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "315ef00791ba2836e627fbf7229cabaefc9a00de89536c44453e0546fbe37e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "315ef00791ba2836e627fbf7229cabaefc9a00de89536c44453e0546fbe37e95", kill_on_drop: false }`
[INFO] [stdout] 315ef00791ba2836e627fbf7229cabaefc9a00de89536c44453e0546fbe37e95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d505fcdd66b16144c8f463fcf4343a1b2857818174bed9af6ca9b280e8e6882f
[INFO] running `Command { std: "docker" "start" "-a" "d505fcdd66b16144c8f463fcf4343a1b2857818174bed9af6ca9b280e8e6882f", kill_on_drop: false }`
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking ux v0.1.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling from-to-repr v0.2.2
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[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 17.43s
[INFO] running `Command { std: "docker" "inspect" "d505fcdd66b16144c8f463fcf4343a1b2857818174bed9af6ca9b280e8e6882f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d505fcdd66b16144c8f463fcf4343a1b2857818174bed9af6ca9b280e8e6882f", kill_on_drop: false }`
[INFO] [stdout] d505fcdd66b16144c8f463fcf4343a1b2857818174bed9af6ca9b280e8e6882f