[INFO] fetching crate torrust-serde-bencode 0.2.3...
[INFO] checking torrust-serde-bencode-0.2.3 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[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 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] 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" "+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-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23be4004e636bbefb80377d7a06c8168d38ad700751278a1b25d0c0d606274b5
[INFO] running `Command { std: "docker" "start" "-a" "23be4004e636bbefb80377d7a06c8168d38ad700751278a1b25d0c0d606274b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23be4004e636bbefb80377d7a06c8168d38ad700751278a1b25d0c0d606274b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23be4004e636bbefb80377d7a06c8168d38ad700751278a1b25d0c0d606274b5", kill_on_drop: false }`
[INFO] [stdout] 23be4004e636bbefb80377d7a06c8168d38ad700751278a1b25d0c0d606274b5
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a58105de746ebae5fd16011d32b646ef211eabc28c75147a87cd05e99c63f3c
[INFO] running `Command { std: "docker" "start" "-a" "9a58105de746ebae5fd16011d32b646ef211eabc28c75147a87cd05e99c63f3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking serde_bytes v0.11.12
[INFO] [stderr]     Checking 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:93:22
[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] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/syn-7376d29d5fa1bc2f.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)
[INFO] running `Command { std: "docker" "inspect" "9a58105de746ebae5fd16011d32b646ef211eabc28c75147a87cd05e99c63f3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a58105de746ebae5fd16011d32b646ef211eabc28c75147a87cd05e99c63f3c", kill_on_drop: false }`
[INFO] [stdout] 9a58105de746ebae5fd16011d32b646ef211eabc28c75147a87cd05e99c63f3c