[INFO] fetching crate serlp 0.3.1...
[INFO] checking serlp-0.3.1 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate serlp 0.3.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate serlp 0.3.1 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serlp 0.3.1
[INFO] finished tweaking crates.io crate serlp 0.3.1
[INFO] tweaked toml for crates.io crate serlp 0.3.1 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" "+38352b01ae4af9300be03b805d6db68c45e51068" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d3423dab68922174a0762a71c30344e5cb839a01f3241738b3bc7e2fb4796bc
[INFO] running `Command { std: "docker" "start" "-a" "6d3423dab68922174a0762a71c30344e5cb839a01f3241738b3bc7e2fb4796bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d3423dab68922174a0762a71c30344e5cb839a01f3241738b3bc7e2fb4796bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d3423dab68922174a0762a71c30344e5cb839a01f3241738b3bc7e2fb4796bc", kill_on_drop: false }`
[INFO] [stdout] 6d3423dab68922174a0762a71c30344e5cb839a01f3241738b3bc7e2fb4796bc
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0758bf9ae6a71075e00c84de5742b7c1b79c00c4cf61fce3e8fc17ffe6d4ac1
[INFO] running `Command { std: "docker" "start" "-a" "b0758bf9ae6a71075e00c84de5742b7c1b79c00c4cf61fce3e8fc17ffe6d4ac1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]     Checking serde_bytes v0.11.15
[INFO] [stderr]     Checking serlp v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/rlp.rs:113:31
[INFO] [stdout]     |
[INFO] [stdout] 89  | impl<'de> RlpTree<'de> {
[INFO] [stdout]     |      --- lifetime `'de` declared here
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn root(&'de self) -> &RlpNode {
[INFO] [stdout]     |                               ^ this elided lifetime gets resolved as `'de`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/rlp.rs:113:32
[INFO] [stdout]     |
[INFO] [stdout] 89  | impl<'de> RlpTree<'de> {
[INFO] [stdout]     |      --- lifetime `'de` declared here
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn root(&'de self) -> &RlpNode {
[INFO] [stdout]     |                                ^^^^^^^ this elided lifetime gets resolved as `'de`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/rlp.rs:121:39
[INFO] [stdout]     |
[INFO] [stdout] 89  | impl<'de> RlpTree<'de> {
[INFO] [stdout]     |      --- lifetime `'de` declared here
[INFO] [stdout] ...
[INFO] [stdout] 121 |     pub fn root_mut(&'de mut self) -> &mut RlpNode {
[INFO] [stdout]     |                                       ^ this elided lifetime gets resolved as `'de`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/rlp.rs:121:44
[INFO] [stdout]     |
[INFO] [stdout] 89  | impl<'de> RlpTree<'de> {
[INFO] [stdout]     |      --- lifetime `'de` declared here
[INFO] [stdout] ...
[INFO] [stdout] 121 |     pub fn root_mut(&'de mut self) -> &mut RlpNode {
[INFO] [stdout]     |                                            ^^^^^^^ this elided lifetime gets resolved as `'de`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/rlp.rs:113:31
[INFO] [stdout]     |
[INFO] [stdout] 89  | impl<'de> RlpTree<'de> {
[INFO] [stdout]     |      --- lifetime `'de` declared here
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn root(&'de self) -> &RlpNode {
[INFO] [stdout]     |                               ^ this elided lifetime gets resolved as `'de`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/rlp.rs:113:32
[INFO] [stdout]     |
[INFO] [stdout] 89  | impl<'de> RlpTree<'de> {
[INFO] [stdout]     |      --- lifetime `'de` declared here
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn root(&'de self) -> &RlpNode {
[INFO] [stdout]     |                                ^^^^^^^ this elided lifetime gets resolved as `'de`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/rlp.rs:121:39
[INFO] [stdout]     |
[INFO] [stdout] 89  | impl<'de> RlpTree<'de> {
[INFO] [stdout]     |      --- lifetime `'de` declared here
[INFO] [stdout] ...
[INFO] [stdout] 121 |     pub fn root_mut(&'de mut self) -> &mut RlpNode {
[INFO] [stdout]     |                                       ^ this elided lifetime gets resolved as `'de`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/rlp.rs:121:44
[INFO] [stdout]     |
[INFO] [stdout] 89  | impl<'de> RlpTree<'de> {
[INFO] [stdout]     |      --- lifetime `'de` declared here
[INFO] [stdout] ...
[INFO] [stdout] 121 |     pub fn root_mut(&'de mut self) -> &mut RlpNode {
[INFO] [stdout]     |                                            ^^^^^^^ this elided lifetime gets resolved as `'de`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Equiv` is never constructed
[INFO] [stdout]    --> src/lib.rs:466:16
[INFO] [stdout]     |
[INFO] [stdout] 466 |         struct Equiv((u32, u64));
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.70s
[INFO] running `Command { std: "docker" "inspect" "b0758bf9ae6a71075e00c84de5742b7c1b79c00c4cf61fce3e8fc17ffe6d4ac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0758bf9ae6a71075e00c84de5742b7c1b79c00c4cf61fce3e8fc17ffe6d4ac1", kill_on_drop: false }`
[INFO] [stdout] b0758bf9ae6a71075e00c84de5742b7c1b79c00c4cf61fce3e8fc17ffe6d4ac1