[INFO] fetching crate rlcount 0.2.1...
[INFO] testing rlcount-0.2.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate rlcount 0.2.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate rlcount 0.2.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rlcount 0.2.1
[INFO] finished tweaking crates.io crate rlcount 0.2.1
[INFO] tweaked toml for crates.io crate rlcount 0.2.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate rlcount 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae52219bb920c1dd5461b285924501b9718038c03440cac6d8568327b5342bd6
[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" "ae52219bb920c1dd5461b285924501b9718038c03440cac6d8568327b5342bd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae52219bb920c1dd5461b285924501b9718038c03440cac6d8568327b5342bd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae52219bb920c1dd5461b285924501b9718038c03440cac6d8568327b5342bd6", kill_on_drop: false }`
[INFO] [stdout] ae52219bb920c1dd5461b285924501b9718038c03440cac6d8568327b5342bd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fda6b4d43ef9c3ed685ef6a22cca7896c0bc13545d1274be7ebabf41a5f9edb
[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" "9fda6b4d43ef9c3ed685ef6a22cca7896c0bc13545d1274be7ebabf41a5f9edb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rlcount v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.66s
[INFO] running `Command { std: "docker" "inspect" "9fda6b4d43ef9c3ed685ef6a22cca7896c0bc13545d1274be7ebabf41a5f9edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fda6b4d43ef9c3ed685ef6a22cca7896c0bc13545d1274be7ebabf41a5f9edb", kill_on_drop: false }`
[INFO] [stdout] 9fda6b4d43ef9c3ed685ef6a22cca7896c0bc13545d1274be7ebabf41a5f9edb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--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] 347f5b0b5c4788df442e66541289685265d3edbd4799b567c2e1047cfb6535b8
[INFO] running `Command { std: "docker" "start" "-a" "347f5b0b5c4788df442e66541289685265d3edbd4799b567c2e1047cfb6535b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlcount v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/parser.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 | /                 &"// aaa\n// aaa\n// aaa\n/*\naaa\naaa\naaa\n*/\nHi"
[INFO] [stdout] 113 | |                     .to_string(),
[INFO] [stdout]     | |________________________________^ expected struct `String`, found `&String`
[INFO] [stdout]     |
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]     |
[INFO] [stdout] 112 -                 &"// aaa\n// aaa\n// aaa\n/*\naaa\naaa\naaa\n*/\nHi"
[INFO] [stdout] 112 +                 "// aaa\n// aaa\n// aaa\n/*\naaa\naaa\naaa\n*/\nHi"
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/parser.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 | /                 &r#"# Hello
[INFO] [stdout] 125 | | """" 
[INFO] [stdout] 126 | | Multiline
[INFO] [stdout] 127 | | Comment
[INFO] [stdout] 128 | | """"
[INFO] [stdout] 129 | | print("Hello")"#
[INFO] [stdout] 130 | |                     .to_string(),
[INFO] [stdout]     | |________________________________^ expected struct `String`, found `&String`
[INFO] [stdout]     |
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]     |
[INFO] [stdout] 124 -                 &r#"# Hello
[INFO] [stdout] 124 +                 r#"# Hello
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rlcount` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "347f5b0b5c4788df442e66541289685265d3edbd4799b567c2e1047cfb6535b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "347f5b0b5c4788df442e66541289685265d3edbd4799b567c2e1047cfb6535b8", kill_on_drop: false }`
[INFO] [stdout] 347f5b0b5c4788df442e66541289685265d3edbd4799b567c2e1047cfb6535b8