[INFO] cloning repository https://github.com/gabrilaston/rust_test01
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gabrilaston/rust_test01" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabrilaston%2Frust_test01", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabrilaston%2Frust_test01'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12749f70bba8613456961405cd3906b16e18948e
[INFO] checking gabrilaston/rust_test01 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabrilaston%2Frust_test01" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gabrilaston/rust_test01 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gabrilaston/rust_test01
[INFO] finished tweaking git repo https://github.com/gabrilaston/rust_test01
[INFO] tweaked toml for git repo https://github.com/gabrilaston/rust_test01 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gabrilaston/rust_test01 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.141
[INFO] [stderr]   Downloaded serde_derive v1.0.141
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29032cdd71934913bd2590ab99a2156a399e5dfc083e60bb59aa0bc129c97982
[INFO] running `Command { std: "docker" "start" "-a" "29032cdd71934913bd2590ab99a2156a399e5dfc083e60bb59aa0bc129c97982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29032cdd71934913bd2590ab99a2156a399e5dfc083e60bb59aa0bc129c97982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29032cdd71934913bd2590ab99a2156a399e5dfc083e60bb59aa0bc129c97982", kill_on_drop: false }`
[INFO] [stdout] 29032cdd71934913bd2590ab99a2156a399e5dfc083e60bb59aa0bc129c97982
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a5540ca249e0bc8c05d504a19a62064ae3e34b210eb24e05236aa68cb420bea
[INFO] running `Command { std: "docker" "start" "-a" "3a5540ca249e0bc8c05d504a19a62064ae3e34b210eb24e05236aa68cb420bea", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling serde_derive v1.0.141
[INFO] [stderr]    Compiling serde v1.0.141
[INFO] [stderr]     Checking serde_json v1.0.82
[INFO] [stderr]     Checking hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `load` and `persist` are never used
[INFO] [stdout]   --> src/user.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl User {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn load(filename: &str) -> Result<Self, std::io::Error> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn persist(&self, filename: &str) -> Result<usize, std::io::Error> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.38s
[INFO] running `Command { std: "docker" "inspect" "3a5540ca249e0bc8c05d504a19a62064ae3e34b210eb24e05236aa68cb420bea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a5540ca249e0bc8c05d504a19a62064ae3e34b210eb24e05236aa68cb420bea", kill_on_drop: false }`
[INFO] [stdout] 3a5540ca249e0bc8c05d504a19a62064ae3e34b210eb24e05236aa68cb420bea