[INFO] fetching crate cached-nix-shell 0.0.0...
[INFO] checking cached-nix-shell-0.0.0 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate cached-nix-shell 0.0.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate cached-nix-shell 0.0.0 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cached-nix-shell 0.0.0
[INFO] finished tweaking crates.io crate cached-nix-shell 0.0.0
[INFO] tweaked toml for crates.io crate cached-nix-shell 0.0.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate cached-nix-shell 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2839f624b21018c5f971c6c6b18db2ff79338dcf207157503cd1eafc7f45e20b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2839f624b21018c5f971c6c6b18db2ff79338dcf207157503cd1eafc7f45e20b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2839f624b21018c5f971c6c6b18db2ff79338dcf207157503cd1eafc7f45e20b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2839f624b21018c5f971c6c6b18db2ff79338dcf207157503cd1eafc7f45e20b", kill_on_drop: false }`
[INFO] [stdout] 2839f624b21018c5f971c6c6b18db2ff79338dcf207157503cd1eafc7f45e20b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3db36ca89ad44b9e83c68b32e59774da4615ba841531f2beb8e03fe2c68b516
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b3db36ca89ad44b9e83c68b32e59774da4615ba841531f2beb8e03fe2c68b516", kill_on_drop: false }`
[INFO] [stderr]     Checking cached-nix-shell v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: Please see https://github.com/xzfc/cached-nix-shell for installation instructions.
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | compile_error!("Please see https://github.com/xzfc/cached-nix-shell for installation instructions.");
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cached-nix-shell`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: Please see https://github.com/xzfc/cached-nix-shell for installation instructions.
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | compile_error!("Please see https://github.com/xzfc/cached-nix-shell for installation instructions.");
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b3db36ca89ad44b9e83c68b32e59774da4615ba841531f2beb8e03fe2c68b516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3db36ca89ad44b9e83c68b32e59774da4615ba841531f2beb8e03fe2c68b516", kill_on_drop: false }`
[INFO] [stdout] b3db36ca89ad44b9e83c68b32e59774da4615ba841531f2beb8e03fe2c68b516