[INFO] cloning repository https://github.com/xTibor/serde-c64
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xTibor/serde-c64" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxTibor%2Fserde-c64", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxTibor%2Fserde-c64'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c94f265aad57b4d931ed57284acd51ca529eb23
[INFO] checking xTibor/serde-c64 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxTibor%2Fserde-c64" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xTibor/serde-c64
[INFO] finished tweaking git repo https://github.com/xTibor/serde-c64
[INFO] tweaked toml for git repo https://github.com/xTibor/serde-c64 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xTibor/serde-c64 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/xTibor/serde-c64 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1486d8767cef7bfb95d30c87b21edc3be36296f5a31bbdb5c45f8c584764cadf
[INFO] running `Command { std: "docker" "start" "-a" "1486d8767cef7bfb95d30c87b21edc3be36296f5a31bbdb5c45f8c584764cadf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1486d8767cef7bfb95d30c87b21edc3be36296f5a31bbdb5c45f8c584764cadf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1486d8767cef7bfb95d30c87b21edc3be36296f5a31bbdb5c45f8c584764cadf", kill_on_drop: false }`
[INFO] [stdout] 1486d8767cef7bfb95d30c87b21edc3be36296f5a31bbdb5c45f8c584764cadf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff9f523e0c8a81a3fdfaf384e6e08880a486760e1f682ab21930eb042b035af1
[INFO] running `Command { std: "docker" "start" "-a" "ff9f523e0c8a81a3fdfaf384e6e08880a486760e1f682ab21930eb042b035af1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]     Checking basic v0.1.0 (/opt/rustwide/workdir/crates/basic)
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde-c64 v0.1.0 (/opt/rustwide/workdir/crates/serde-c64)
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> crates/serde-c64/src/error.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn custom<T>(msg: T) -> Self
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> crates/serde-c64/src/error.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> crates/serde-c64/src/error.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn custom<T>(msg: T) -> Self
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> crates/serde-c64/src/error.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde-c64-test v0.1.0 (/opt/rustwide/workdir/crates/serde-c64-test)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.69s
[INFO] running `Command { std: "docker" "inspect" "ff9f523e0c8a81a3fdfaf384e6e08880a486760e1f682ab21930eb042b035af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff9f523e0c8a81a3fdfaf384e6e08880a486760e1f682ab21930eb042b035af1", kill_on_drop: false }`
[INFO] [stdout] ff9f523e0c8a81a3fdfaf384e6e08880a486760e1f682ab21930eb042b035af1