[INFO] fetching crate fdb_tuple 0.4.0...
[INFO] checking fdb_tuple-0.4.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate fdb_tuple 0.4.0 into /workspace/builds/worker-6-tc1/source
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fdb_tuple 0.4.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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 17 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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] 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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f66dc742908dd4e54fd23465005c3e12edb167f9400f48d3c945f8865b2faf6
[INFO] running `Command { std: "docker" "start" "-a" "2f66dc742908dd4e54fd23465005c3e12edb167f9400f48d3c945f8865b2faf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f66dc742908dd4e54fd23465005c3e12edb167f9400f48d3c945f8865b2faf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f66dc742908dd4e54fd23465005c3e12edb167f9400f48d3c945f8865b2faf6", kill_on_drop: false }`
[INFO] [stdout] 2f66dc742908dd4e54fd23465005c3e12edb167f9400f48d3c945f8865b2faf6
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e222f18acfef594808a79095c05f6a3db64512de1a258b26ae01c4ee54492e2
[INFO] running `Command { std: "docker" "start" "-a" "1e222f18acfef594808a79095c05f6a3db64512de1a258b26ae01c4ee54492e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling seq-macro v0.3.6
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "1e222f18acfef594808a79095c05f6a3db64512de1a258b26ae01c4ee54492e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e222f18acfef594808a79095c05f6a3db64512de1a258b26ae01c4ee54492e2", kill_on_drop: false }`
[INFO] [stdout] 1e222f18acfef594808a79095c05f6a3db64512de1a258b26ae01c4ee54492e2