[INFO] fetching crate unsafe-unicorn 0.0.1...
[INFO] checking unsafe-unicorn-0.0.1 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate unsafe-unicorn 0.0.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate unsafe-unicorn 0.0.1 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unsafe-unicorn 0.0.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate unsafe-unicorn 0.0.1
[INFO] tweaked toml for crates.io crate unsafe-unicorn 0.0.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prettytable-rs v0.6.7
[INFO] [stderr]   Downloaded git2 v0.6.11
[INFO] [stderr]   Downloaded libgit2-sys v0.6.19
[INFO] [stderr]   Downloaded csv v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c8207ed389108b53abbbf5cf70191a4c48cbaae6027ce92394490b4306b356c
[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" "2c8207ed389108b53abbbf5cf70191a4c48cbaae6027ce92394490b4306b356c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c8207ed389108b53abbbf5cf70191a4c48cbaae6027ce92394490b4306b356c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c8207ed389108b53abbbf5cf70191a4c48cbaae6027ce92394490b4306b356c", kill_on_drop: false }`
[INFO] [stdout] 2c8207ed389108b53abbbf5cf70191a4c48cbaae6027ce92394490b4306b356c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] b7665c4fc601e1a139ed7b81953165f8c48fe3d716371314380330b89a84ac69
[INFO] running `Command { std: "docker" "start" "-a" "b7665c4fc601e1a139ed7b81953165f8c48fe3d716371314380330b89a84ac69", kill_on_drop: false }`
[INFO] [stderr]    Compiling libgit2-sys v0.6.19
[INFO] [stderr]     Checking libz-sys v1.1.2
[INFO] [stderr]     Checking prettytable-rs v0.6.7
[INFO] [stderr]     Checking libssh2-sys v0.2.19
[INFO] [stderr]     Checking curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]     Checking unsafe-unicorn v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | /// exclude tests etc from analysis
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / lazy_static!{
[INFO] [stdout] 18 | |   static ref REGEXES: RegexSet = RegexSet::new(&[
[INFO] [stdout] 19 | |     r"```",                     // block comment
[INFO] [stdout] 20 | |     r"^//|^\s/\*|^\s\*|^\s\*/", //comment
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |   ]).unwrap();
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | / lazy_static!{
[INFO] [stdout] 31 | |     static ref EXCLUDE: Vec<&'static str> = vec!(
[INFO] [stdout] 32 | |         ".git",
[INFO] [stdout] 33 | |         "tests",
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |         );
[INFO] [stdout] 37 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking git2 v0.6.11
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | /// exclude tests etc from analysis
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / lazy_static!{
[INFO] [stdout] 18 | |   static ref REGEXES: RegexSet = RegexSet::new(&[
[INFO] [stdout] 19 | |     r"```",                     // block comment
[INFO] [stdout] 20 | |     r"^//|^\s/\*|^\s\*|^\s\*/", //comment
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |   ]).unwrap();
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | / lazy_static!{
[INFO] [stdout] 31 | |     static ref EXCLUDE: Vec<&'static str> = vec!(
[INFO] [stdout] 32 | |         ".git",
[INFO] [stdout] 33 | |         "tests",
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |         );
[INFO] [stdout] 37 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.15s
[INFO] running `Command { std: "docker" "inspect" "b7665c4fc601e1a139ed7b81953165f8c48fe3d716371314380330b89a84ac69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7665c4fc601e1a139ed7b81953165f8c48fe3d716371314380330b89a84ac69", kill_on_drop: false }`
[INFO] [stdout] b7665c4fc601e1a139ed7b81953165f8c48fe3d716371314380330b89a84ac69