[INFO] cloning repository https://github.com/bramvdbogaerde/slip-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bramvdbogaerde/slip-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbramvdbogaerde%2Fslip-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbramvdbogaerde%2Fslip-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7fc79c05aaa5713d81012a631a9416f285bbdf25
[INFO] checking bramvdbogaerde/slip-rs/7fc79c05aaa5713d81012a631a9416f285bbdf25 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbramvdbogaerde%2Fslip-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/bramvdbogaerde/slip-rs on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bramvdbogaerde/slip-rs
[INFO] finished tweaking git repo https://github.com/bramvdbogaerde/slip-rs
[INFO] tweaked toml for git repo https://github.com/bramvdbogaerde/slip-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/bramvdbogaerde/slip-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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6cd74b094727058bb5f950a9bd4e84e6e9606e6ffbcb92d9e6856bf30dd777e3
[INFO] running `Command { std: "docker" "start" "-a" "6cd74b094727058bb5f950a9bd4e84e6e9606e6ffbcb92d9e6856bf30dd777e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cd74b094727058bb5f950a9bd4e84e6e9606e6ffbcb92d9e6856bf30dd777e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cd74b094727058bb5f950a9bd4e84e6e9606e6ffbcb92d9e6856bf30dd777e3", kill_on_drop: false }`
[INFO] [stdout] 6cd74b094727058bb5f950a9bd4e84e6e9606e6ffbcb92d9e6856bf30dd777e3
[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=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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 743fe6b68ba9ab48e52d6470c745241e2009c48f43adad9b1a0286285dda7877
[INFO] running `Command { std: "docker" "start" "-a" "743fe6b68ba9ab48e52d6470c745241e2009c48f43adad9b1a0286285dda7877", kill_on_drop: false }`
[INFO] [stderr]     Checking slipmemory v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Cell`
[INFO] [stdout]  --> src/main.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use memory::{Memory, Cell};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Cell`
[INFO] [stdout]  --> src/main.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use memory::{Memory, Cell};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/grammar.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/grammar.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `pai2` as immutable because it is also borrowed as mutable
[INFO] [stdout]   --> src/main.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pai2._cdr.set(&pai2.any());
[INFO] [stdout]    |     ----      ---  ^^^^ immutable borrow occurs here
[INFO] [stdout]    |     |         |
[INFO] [stdout]    |     |         mutable borrow later used by call
[INFO] [stdout]    |     mutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `pai2` as immutable because it is also borrowed as mutable
[INFO] [stdout]   --> src/main.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pai2._cdr.set(&pai2.any());
[INFO] [stdout]    |     ----      ---  ^^^^ immutable borrow occurs here
[INFO] [stdout]    |     |         |
[INFO] [stdout]    |     |         mutable borrow later used by call
[INFO] [stdout]    |     mutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slipmemory` (bin "slipmemory") due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `slipmemory` (bin "slipmemory" test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "743fe6b68ba9ab48e52d6470c745241e2009c48f43adad9b1a0286285dda7877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "743fe6b68ba9ab48e52d6470c745241e2009c48f43adad9b1a0286285dda7877", kill_on_drop: false }`
[INFO] [stdout] 743fe6b68ba9ab48e52d6470c745241e2009c48f43adad9b1a0286285dda7877