[INFO] cloning repository https://github.com/mbillingr/interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mbillingr/interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbillingr%2Finterpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbillingr%2Finterpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85ab4017f87b8d1bb8fdde4b304a9acd1ad0dda3
[INFO] checking mbillingr/interpreter against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbillingr%2Finterpreter" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mbillingr/interpreter on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mbillingr/interpreter
[INFO] finished tweaking git repo https://github.com/mbillingr/interpreter
[INFO] tweaked toml for git repo https://github.com/mbillingr/interpreter written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mbillingr/interpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 909d3680fcb1a29e46a634166bd71ab5a6fc06c67f5192b1e682a6b0b86e5d7c
[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" "909d3680fcb1a29e46a634166bd71ab5a6fc06c67f5192b1e682a6b0b86e5d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "909d3680fcb1a29e46a634166bd71ab5a6fc06c67f5192b1e682a6b0b86e5d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "909d3680fcb1a29e46a634166bd71ab5a6fc06c67f5192b1e682a6b0b86e5d7c", kill_on_drop: false }`
[INFO] [stdout] 909d3680fcb1a29e46a634166bd71ab5a6fc06c67f5192b1e682a6b0b86e5d7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71e9a2825c07611d156434ab4d92ab51f4a59b0bd25cd37285aa8e65a550b04b
[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" "71e9a2825c07611d156434ab4d92ab51f4a59b0bd25cd37285aa8e65a550b04b", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking unicode-segmentation v1.7.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling imgui-sys v0.0.23
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking dirs-sys-next v0.1.1
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking dirs-next v1.0.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking gfx v0.18.2
[INFO] [stderr]     Checking gfx_device_gl v0.16.2
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking wayland-client v0.21.13
[INFO] [stderr]     Checking rustyline v6.3.0
[INFO] [stderr]     Checking wayland-protocols v0.21.13
[INFO] [stderr]     Checking imgui v0.0.23
[INFO] [stderr]     Checking imgui-gfx-renderer v0.0.23
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking winit v0.19.5
[INFO] [stderr]     Checking glutin v0.21.2
[INFO] [stderr]     Checking imgui-winit-support v0.0.23
[INFO] [stderr]     Checking gfx_window_glutin v0.31.0
[INFO] [stderr]     Checking interpreter v0.2.5-dev (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/environment.rs:763:9
[INFO] [stdout]     |
[INFO] [stdout] 763 |   ...   /// deprecated since 0.2.2
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 764 | / ...   env.insert_native("complex", |args| {
[INFO] [stdout] 765 | | ...       eprintln!("Warning: (complex re im) is deprecated and will be removed in a future release. Use (make-rectangular re im) instead...
[INFO] [stdout] 766 | | ...       let re = car(&args)?.try_as_number()?.to_f64().unwrap();
[INFO] [stdout] 767 | | ...       let im = car(cdr(&args)?)?.try_as_number()?.to_f64().unwrap();
[INFO] [stdout] 768 | | ...       Ok(Number::complex(re, im).into())
[INFO] [stdout] 769 | | ...   });
[INFO] [stdout]     | |________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/environment.rs:763:9
[INFO] [stdout]     |
[INFO] [stdout] 763 |   ...   /// deprecated since 0.2.2
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 764 | / ...   env.insert_native("complex", |args| {
[INFO] [stdout] 765 | | ...       eprintln!("Warning: (complex re im) is deprecated and will be removed in a future release. Use (make-rectangular re im) instead...
[INFO] [stdout] 766 | | ...       let re = car(&args)?.try_as_number()?.to_f64().unwrap();
[INFO] [stdout] 767 | | ...       let im = car(cdr(&args)?)?.try_as_number()?.to_f64().unwrap();
[INFO] [stdout] 768 | | ...       Ok(Number::complex(re, im).into())
[INFO] [stdout] 769 | | ...   });
[INFO] [stdout]     | |________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.05s
[INFO] running `Command { std: "docker" "inspect" "71e9a2825c07611d156434ab4d92ab51f4a59b0bd25cd37285aa8e65a550b04b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71e9a2825c07611d156434ab4d92ab51f4a59b0bd25cd37285aa8e65a550b04b", kill_on_drop: false }`
[INFO] [stdout] 71e9a2825c07611d156434ab4d92ab51f4a59b0bd25cd37285aa8e65a550b04b