[INFO] fetching crate commander-rust 1.2.1...
[INFO] checking commander-rust-1.2.1 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate commander-rust 1.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate commander-rust 1.2.1 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate commander-rust 1.2.1
[INFO] finished tweaking crates.io crate commander-rust 1.2.1
[INFO] tweaked toml for crates.io crate commander-rust 1.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded commander-core v1.2.0
[INFO] [stderr]   Downloaded commander-macros v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fcb0725bb1b7e3c26f17dc6074161540984b017ee7e3c7aef9fc293792aefe37
[INFO] running `Command { std: "docker" "start" "-a" "fcb0725bb1b7e3c26f17dc6074161540984b017ee7e3c7aef9fc293792aefe37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcb0725bb1b7e3c26f17dc6074161540984b017ee7e3c7aef9fc293792aefe37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcb0725bb1b7e3c26f17dc6074161540984b017ee7e3c7aef9fc293792aefe37", kill_on_drop: false }`
[INFO] [stdout] fcb0725bb1b7e3c26f17dc6074161540984b017ee7e3c7aef9fc293792aefe37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52dd9b5a8096f53e799e5a8c61892f38d4838630c1d3bbf22951a35947d28454
[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" "52dd9b5a8096f53e799e5a8c61892f38d4838630c1d3bbf22951a35947d28454", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking commander-core v1.2.0
[INFO] [stderr]    Compiling commander-macros v1.2.0
[INFO] [stderr]     Checking commander-rust v1.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Instance`, `normalize`
[INFO] [stdout]  --> tests/commander-core.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use commander_core::{ Instance, normalize, Raw };
[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] [stdout] error[E0599]: no method named `borrow_mut` found for mutable reference `&mut Option<for<'r> fn(&'r Vec<commander_rust::Raw>, Cli)>` in the current scope
[INFO] [stdout]   --> examples/cli.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | #[direct(<a> <b> [c] [d])]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^ method not found in `&mut Option<for<'r> fn(&'r Vec<commander_rust::Raw>, Cli)>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]    |
[INFO] [stdout] 3  | use std::borrow::BorrowMut;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `commander-rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "52dd9b5a8096f53e799e5a8c61892f38d4838630c1d3bbf22951a35947d28454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52dd9b5a8096f53e799e5a8c61892f38d4838630c1d3bbf22951a35947d28454", kill_on_drop: false }`
[INFO] [stdout] 52dd9b5a8096f53e799e5a8c61892f38d4838630c1d3bbf22951a35947d28454
