[INFO] cloning repository https://github.com/zesplot/zesplot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zesplot/zesplot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzesplot%2Fzesplot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzesplot%2Fzesplot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09dbeaabd14d3060cf7e88bfd6891ca564b14e57
[INFO] checking zesplot/zesplot against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzesplot%2Fzesplot" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zesplot/zesplot on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zesplot/zesplot
[INFO] finished tweaking git repo https://github.com/zesplot/zesplot
[INFO] tweaked toml for git repo https://github.com/zesplot/zesplot written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/zesplot/zesplot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/zesplot/treebitmap.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded svg v0.5.11
[INFO] [stderr]   Downloaded radix_trie v0.1.3
[INFO] [stderr]   Downloaded ipnetwork v0.13.1
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f19974c0347d7fd1e985c04289e6c19ce5a1dabbf92c02e4b3d3b08b5ee4707a
[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" "f19974c0347d7fd1e985c04289e6c19ce5a1dabbf92c02e4b3d3b08b5ee4707a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f19974c0347d7fd1e985c04289e6c19ce5a1dabbf92c02e4b3d3b08b5ee4707a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f19974c0347d7fd1e985c04289e6c19ce5a1dabbf92c02e4b3d3b08b5ee4707a", kill_on_drop: false }`
[INFO] [stdout] f19974c0347d7fd1e985c04289e6c19ce5a1dabbf92c02e4b3d3b08b5ee4707a
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6f3de24101bb4d2e413f782f730b353a7f4ed225920e342408eeab54277171e
[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" "b6f3de24101bb4d2e413f782f730b353a7f4ed225920e342408eeab54277171e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking treebitmap v0.3.1 (https://github.com/zesplot/treebitmap.git?branch=longest_match_mut#c572cbd5)
[INFO] [stderr]     Checking svg v0.5.11
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking memchr v2.0.2
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking radix_trie v0.1.3
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking flate2 v1.0.2
[INFO] [stderr]    Compiling syn v0.15.4
[INFO] [stderr]     Checking simplelog v0.5.2
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]     Checking csv v1.0.1
[INFO] [stderr]     Checking ipnetwork v0.13.1
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ipnetwork-0.13.1/src/ipv6.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 238 |     for &segment in &mut mask_iter {
[INFO] [stdout]     |         ^^^^^^^^    -------------- this expression has type `u16`
[INFO] [stdout]     |         |
[INFO] [stdout]     |         expected `u16`, found reference
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected type `u16`
[INFO] [stdout]             found reference `&_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ipnetwork-0.13.1/src/ipv6.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |     for &segment in mask_iter {
[INFO] [stdout]     |         ^^^^^^^^    --------- this expression has type `u16`
[INFO] [stdout]     |         |
[INFO] [stdout]     |         expected `u16`, found reference
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected type `u16`
[INFO] [stdout]             found reference `&_`
[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 `ipnetwork`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b6f3de24101bb4d2e413f782f730b353a7f4ed225920e342408eeab54277171e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6f3de24101bb4d2e413f782f730b353a7f4ed225920e342408eeab54277171e", kill_on_drop: false }`
[INFO] [stdout] b6f3de24101bb4d2e413f782f730b353a7f4ed225920e342408eeab54277171e