[INFO] fetching crate fdb_tuple 0.4.0...
[INFO] checking fdb_tuple-0.4.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate fdb_tuple 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate fdb_tuple 0.4.0 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 fdb_tuple 0.4.0
[INFO] finished tweaking crates.io crate fdb_tuple 0.4.0
[INFO] tweaked toml for crates.io crate fdb_tuple 0.4.0 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]     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 3 packages to latest compatible versions
[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]     Blocking waiting for file lock on package cache
[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] 86dea2a737be329f2b87fcf5f7405ebc121eca104f26383e4685785f55f17c1f
[INFO] running `Command { std: "docker" "start" "-a" "86dea2a737be329f2b87fcf5f7405ebc121eca104f26383e4685785f55f17c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86dea2a737be329f2b87fcf5f7405ebc121eca104f26383e4685785f55f17c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86dea2a737be329f2b87fcf5f7405ebc121eca104f26383e4685785f55f17c1f", kill_on_drop: false }`
[INFO] [stdout] 86dea2a737be329f2b87fcf5f7405ebc121eca104f26383e4685785f55f17c1f
[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] 50480b5f4c4e1b4da4b405b190c09d716e56849630666c95faed24dd6eb3b398
[INFO] running `Command { std: "docker" "start" "-a" "50480b5f4c4e1b4da4b405b190c09d716e56849630666c95faed24dd6eb3b398", kill_on_drop: false }`
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]     Checking fdb_tuple v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `timestamp`
[INFO] [stdout]    --> src/lib.rs:102:19
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let (tag, timestamp, pubkey, kind, id): (String, u64, Vec<u8>, u64, Vec<u8>) = from_bytes(bytes).unwrap();
[INFO] [stdout]     |                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timestamp`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pubkey`
[INFO] [stdout]    --> src/lib.rs:102:30
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let (tag, timestamp, pubkey, kind, id): (String, u64, Vec<u8>, u64, Vec<u8>) = from_bytes(bytes).unwrap();
[INFO] [stdout]     |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_pubkey`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]    --> src/lib.rs:102:38
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let (tag, timestamp, pubkey, kind, id): (String, u64, Vec<u8>, u64, Vec<u8>) = from_bytes(bytes).unwrap();
[INFO] [stdout]     |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/lib.rs:102:44
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let (tag, timestamp, pubkey, kind, id): (String, u64, Vec<u8>, u64, Vec<u8>) = from_bytes(bytes).unwrap();
[INFO] [stdout]     |                                            ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "50480b5f4c4e1b4da4b405b190c09d716e56849630666c95faed24dd6eb3b398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50480b5f4c4e1b4da4b405b190c09d716e56849630666c95faed24dd6eb3b398", kill_on_drop: false }`
[INFO] [stdout] 50480b5f4c4e1b4da4b405b190c09d716e56849630666c95faed24dd6eb3b398