[INFO] fetching crate pcapng-writer 0.1.0...
[INFO] building pcapng-writer-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate pcapng-writer 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate pcapng-writer 0.1.0
[INFO] finished tweaking crates.io crate pcapng-writer 0.1.0
[INFO] tweaked toml for crates.io crate pcapng-writer 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pcapng-writer 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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]      Locking 3 packages to latest compatible versions
[INFO] [stderr]       Adding nom v2.2.1 (available: v8.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e471c91881961c4077d64c2dec6869719018a36c0dde99d1d1afa9794fa987f4
[INFO] running `Command { std: "docker" "start" "-a" "e471c91881961c4077d64c2dec6869719018a36c0dde99d1d1afa9794fa987f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e471c91881961c4077d64c2dec6869719018a36c0dde99d1d1afa9794fa987f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e471c91881961c4077d64c2dec6869719018a36c0dde99d1d1afa9794fa987f4", kill_on_drop: false }`
[INFO] [stdout] e471c91881961c4077d64c2dec6869719018a36c0dde99d1d1afa9794fa987f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91df0c12206b5a290ee837208526e7a6af4edee5974eabbad27c54e7a4914b01
[INFO] running `Command { std: "docker" "start" "-a" "91df0c12206b5a290ee837208526e7a6af4edee5974eabbad27c54e7a4914b01", kill_on_drop: false }`
[INFO] [stderr]    Compiling pcapng-writer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/blocks/spb.rs:39:57
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new(orig_len: u32, packet_data: &'a [u8]) -> SimplePacketBlock {
[INFO] [stdout]    |                                             --          ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                             |
[INFO] [stdout]    |                                             the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new(orig_len: u32, packet_data: &'a [u8]) -> SimplePacketBlock<'a> {
[INFO] [stdout]    |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `padding` is never used
[INFO] [stdout]   --> src/blocks/mod.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | trait Block {
[INFO] [stdout]    |       ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn padding(&self) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "91df0c12206b5a290ee837208526e7a6af4edee5974eabbad27c54e7a4914b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91df0c12206b5a290ee837208526e7a6af4edee5974eabbad27c54e7a4914b01", kill_on_drop: false }`
[INFO] [stdout] 91df0c12206b5a290ee837208526e7a6af4edee5974eabbad27c54e7a4914b01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f52b8c2e6e6df59d7fdbab3edf423475e5996ea3ef78fac211343f696817feb3
[INFO] running `Command { std: "docker" "start" "-a" "f52b8c2e6e6df59d7fdbab3edf423475e5996ea3ef78fac211343f696817feb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/blocks/spb.rs:39:57
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new(orig_len: u32, packet_data: &'a [u8]) -> SimplePacketBlock {
[INFO] [stdout]    |                                             --          ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                             |
[INFO] [stdout]    |                                             the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new(orig_len: u32, packet_data: &'a [u8]) -> SimplePacketBlock<'a> {
[INFO] [stdout]    |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `padding` is never used
[INFO] [stdout]   --> src/blocks/mod.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | trait Block {
[INFO] [stdout]    |       ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn padding(&self) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pcapng v1.0.0
[INFO] [stderr]    Compiling pcapng-writer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/blocks/spb.rs:39:57
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new(orig_len: u32, packet_data: &'a [u8]) -> SimplePacketBlock {
[INFO] [stdout]    |                                             --          ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                             |
[INFO] [stdout]    |                                             the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn new(orig_len: u32, packet_data: &'a [u8]) -> SimplePacketBlock<'a> {
[INFO] [stdout]    |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `padding` is never used
[INFO] [stdout]   --> src/blocks/mod.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | trait Block {
[INFO] [stdout]    |       ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn padding(&self) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.40s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v2.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "f52b8c2e6e6df59d7fdbab3edf423475e5996ea3ef78fac211343f696817feb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f52b8c2e6e6df59d7fdbab3edf423475e5996ea3ef78fac211343f696817feb3", kill_on_drop: false }`
[INFO] [stdout] f52b8c2e6e6df59d7fdbab3edf423475e5996ea3ef78fac211343f696817feb3