[INFO] cloning repository https://github.com/evan-a-w/gc_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/evan-a-w/gc_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevan-a-w%2Fgc_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevan-a-w%2Fgc_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4155c6b5b302a039ef27d054c014d9c71e3462e0
[INFO] testing evan-a-w/gc_rs against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevan-a-w%2Fgc_rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/evan-a-w/gc_rs on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/evan-a-w/gc_rs
[INFO] finished tweaking git repo https://github.com/evan-a-w/gc_rs
[INFO] tweaked toml for git repo https://github.com/evan-a-w/gc_rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/evan-a-w/gc_rs 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad2b6b09fe36f957f7edddcffff3a3ffaefd674f4cb6a977029321decbe2406d
[INFO] running `Command { std: "docker" "start" "-a" "ad2b6b09fe36f957f7edddcffff3a3ffaefd674f4cb6a977029321decbe2406d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad2b6b09fe36f957f7edddcffff3a3ffaefd674f4cb6a977029321decbe2406d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad2b6b09fe36f957f7edddcffff3a3ffaefd674f4cb6a977029321decbe2406d", kill_on_drop: false }`
[INFO] [stdout] ad2b6b09fe36f957f7edddcffff3a3ffaefd674f4cb6a977029321decbe2406d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94cac579e88a5e554a9cd043d11a73af6b2212ef434057cda2d90d0691e49280
[INFO] running `Command { std: "docker" "start" "-a" "94cac579e88a5e554a9cd043d11a73af6b2212ef434057cda2d90d0691e49280", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling gc_rs_derive v0.1.0 (/opt/rustwide/workdir/gc_rs_derive)
[INFO] [stdout] warning: unused import: `proc_macro2::TokenStream`
[INFO] [stdout]  --> gc_rs_derive/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use proc_macro2::TokenStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gc_rs v0.1.0 (/opt/rustwide/workdir/gc_rs)
[INFO] [stdout] warning: unused import: `RefCell`
[INFO] [stdout]  --> gc_rs/src/gc.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cell::{Cell, RefCell};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> gc_rs/src/gc.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> gc_rs/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(log_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gc_rs` due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "94cac579e88a5e554a9cd043d11a73af6b2212ef434057cda2d90d0691e49280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94cac579e88a5e554a9cd043d11a73af6b2212ef434057cda2d90d0691e49280", kill_on_drop: false }`
[INFO] [stdout] 94cac579e88a5e554a9cd043d11a73af6b2212ef434057cda2d90d0691e49280
