[INFO] fetching crate torrust-serde-bencode 0.2.3...
[INFO] building torrust-serde-bencode-0.2.3 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate torrust-serde-bencode 0.2.3 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate torrust-serde-bencode 0.2.3
[INFO] finished tweaking crates.io crate torrust-serde-bencode 0.2.3
[INFO] tweaked toml for crates.io crate torrust-serde-bencode 0.2.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate torrust-serde-bencode 0.2.3 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate torrust-serde-bencode 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_bytes v0.11.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb90576f7c73069a0c33eba7c39513194b07db71da1befa5ff9e29c048846622
[INFO] running `Command { std: "docker" "start" "-a" "cb90576f7c73069a0c33eba7c39513194b07db71da1befa5ff9e29c048846622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb90576f7c73069a0c33eba7c39513194b07db71da1befa5ff9e29c048846622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb90576f7c73069a0c33eba7c39513194b07db71da1befa5ff9e29c048846622", kill_on_drop: false }`
[INFO] [stdout] cb90576f7c73069a0c33eba7c39513194b07db71da1befa5ff9e29c048846622
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 698711c836e2c0e81504a4e115d8b02665924f3cc0a896a24f199fc7f849795b
[INFO] running `Command { std: "docker" "start" "-a" "698711c836e2c0e81504a4e115d8b02665924f3cc0a896a24f199fc7f849795b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling serde_bytes v0.11.12
[INFO] [stderr]    Compiling torrust-serde-bencode v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/ser.rs:93:56
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn new(ser: &'a mut Serializer, len: usize) -> SerializeMap {
[INFO] [stdout]    |                      -- the lifetime is named here     ^^^^^^^^^^^^ the same lifetime is hidden 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] 93 |     pub fn new(ser: &'a mut Serializer, len: usize) -> SerializeMap<'a> {
[INFO] [stdout]    |                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.29s
[INFO] running `Command { std: "docker" "inspect" "698711c836e2c0e81504a4e115d8b02665924f3cc0a896a24f199fc7f849795b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "698711c836e2c0e81504a4e115d8b02665924f3cc0a896a24f199fc7f849795b", kill_on_drop: false }`
[INFO] [stdout] 698711c836e2c0e81504a4e115d8b02665924f3cc0a896a24f199fc7f849795b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b0cbf82b2ff91e1a1eee32f5092aa9f549973dc5dd21f94af629c934c6802af
[INFO] running `Command { std: "docker" "start" "-a" "4b0cbf82b2ff91e1a1eee32f5092aa9f549973dc5dd21f94af629c934c6802af", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/ser.rs:93:56
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn new(ser: &'a mut Serializer, len: usize) -> SerializeMap {
[INFO] [stdout]    |                      -- the lifetime is named here     ^^^^^^^^^^^^ the same lifetime is hidden 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] 93 |     pub fn new(ser: &'a mut Serializer, len: usize) -> SerializeMap<'a> {
[INFO] [stdout]    |                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling torrust-serde-bencode v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> examples/parse_torrent.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Node(String, i64);
[INFO] [stdout]    |        ---- ^^^^^^  ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pieces` and `length` are never read
[INFO] [stdout]   --> examples/parse_torrent.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Info {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 24 |     pub name: String,
[INFO] [stdout] 25 |     pub pieces: ByteBuf,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub length: Option<i64>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Info` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/ser.rs:93:56
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn new(ser: &'a mut Serializer, len: usize) -> SerializeMap {
[INFO] [stdout]    |                      -- the lifetime is named here     ^^^^^^^^^^^^ the same lifetime is hidden 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] 93 |     pub fn new(ser: &'a mut Serializer, len: usize) -> SerializeMap<'a> {
[INFO] [stdout]    |                                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.24s
[INFO] running `Command { std: "docker" "inspect" "4b0cbf82b2ff91e1a1eee32f5092aa9f549973dc5dd21f94af629c934c6802af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b0cbf82b2ff91e1a1eee32f5092aa9f549973dc5dd21f94af629c934c6802af", kill_on_drop: false }`
[INFO] [stdout] 4b0cbf82b2ff91e1a1eee32f5092aa9f549973dc5dd21f94af629c934c6802af