[INFO] updating cached repository https://github.com/lincheney/nvim-cat
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dc908fbb3f54dcacb82e998eb5584da07e91c746
[INFO] testing lincheney/nvim-cat against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flincheney%2Fnvim-cat" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lincheney/nvim-cat on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lincheney/nvim-cat
[INFO] finished tweaking git repo https://github.com/lincheney/nvim-cat
[INFO] tweaked toml for git repo https://github.com/lincheney/nvim-cat written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/lincheney/nvim-cat already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6d67d238b7410d2158a6743177dceae7a7f51d12ce0bf4b135ab58e52ddeb7e9
[INFO] running `"docker" "start" "-a" "6d67d238b7410d2158a6743177dceae7a7f51d12ce0bf4b135ab58e52ddeb7e9"`
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rmp v0.8.8
[INFO] [stderr]    Compiling serde_bytes v0.11.2
[INFO] [stderr]    Compiling rmp-serde v0.14.0
[INFO] [stderr]    Compiling rmpv v0.4.2
[INFO] [stderr]    Compiling nvim-cat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/nvim.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | / quick_error! {
[INFO] [stderr] 21 | |     #[derive(Debug)]
[INFO] [stderr] 22 | |     pub enum NvimError {
[INFO] [stderr] 23 | |         RpcError(x: String) { }
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     }
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/nvim.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | / quick_error! {
[INFO] [stderr] 21 | |     #[derive(Debug)]
[INFO] [stderr] 22 | |     pub enum NvimError {
[INFO] [stderr] 23 | |         RpcError(x: String) { }
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     }
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/nvim.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | / quick_error! {
[INFO] [stderr] 21 | |     #[derive(Debug)]
[INFO] [stderr] 22 | |     pub enum NvimError {
[INFO] [stderr] 23 | |         RpcError(x: String) { }
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     }
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/nvim.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | / quick_error! {
[INFO] [stderr] 21 | |     #[derive(Debug)]
[INFO] [stderr] 22 | |     pub enum NvimError {
[INFO] [stderr] 23 | |         RpcError(x: String) { }
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     }
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.61s
[INFO] running `"docker" "inspect" "6d67d238b7410d2158a6743177dceae7a7f51d12ce0bf4b135ab58e52ddeb7e9"`
[INFO] running `"docker" "rm" "-f" "6d67d238b7410d2158a6743177dceae7a7f51d12ce0bf4b135ab58e52ddeb7e9"`
[INFO] [stdout] 6d67d238b7410d2158a6743177dceae7a7f51d12ce0bf4b135ab58e52ddeb7e9
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1fab6097f931289e3eaa204831cc30d3c0accab05079317449ef974d35a71f00
[INFO] running `"docker" "start" "-a" "1fab6097f931289e3eaa204831cc30d3c0accab05079317449ef974d35a71f00"`
[INFO] [stderr]    Compiling nvim-cat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/nvim.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | / quick_error! {
[INFO] [stderr] 21 | |     #[derive(Debug)]
[INFO] [stderr] 22 | |     pub enum NvimError {
[INFO] [stderr] 23 | |         RpcError(x: String) { }
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     }
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/nvim.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | / quick_error! {
[INFO] [stderr] 21 | |     #[derive(Debug)]
[INFO] [stderr] 22 | |     pub enum NvimError {
[INFO] [stderr] 23 | |         RpcError(x: String) { }
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     }
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/nvim.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | / quick_error! {
[INFO] [stderr] 21 | |     #[derive(Debug)]
[INFO] [stderr] 22 | |     pub enum NvimError {
[INFO] [stderr] 23 | |         RpcError(x: String) { }
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     }
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/nvim.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | / quick_error! {
[INFO] [stderr] 21 | |     #[derive(Debug)]
[INFO] [stderr] 22 | |     pub enum NvimError {
[INFO] [stderr] 23 | |         RpcError(x: String) { }
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     }
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `"docker" "inspect" "1fab6097f931289e3eaa204831cc30d3c0accab05079317449ef974d35a71f00"`
[INFO] running `"docker" "rm" "-f" "1fab6097f931289e3eaa204831cc30d3c0accab05079317449ef974d35a71f00"`
[INFO] [stdout] 1fab6097f931289e3eaa204831cc30d3c0accab05079317449ef974d35a71f00
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8f28143a1e57d4fa3eac02c6b61cf9f95bfa5e21c694b1ff6bdad77f32a2d745
[INFO] running `"docker" "start" "-a" "8f28143a1e57d4fa3eac02c6b61cf9f95bfa5e21c694b1ff6bdad77f32a2d745"`
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/nvim.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | / quick_error! {
[INFO] [stderr] 21 | |     #[derive(Debug)]
[INFO] [stderr] 22 | |     pub enum NvimError {
[INFO] [stderr] 23 | |         RpcError(x: String) { }
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     }
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/nvim.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | / quick_error! {
[INFO] [stderr] 21 | |     #[derive(Debug)]
[INFO] [stderr] 22 | |     pub enum NvimError {
[INFO] [stderr] 23 | |         RpcError(x: String) { }
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     }
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/nvim.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | / quick_error! {
[INFO] [stderr] 21 | |     #[derive(Debug)]
[INFO] [stderr] 22 | |     pub enum NvimError {
[INFO] [stderr] 23 | |         RpcError(x: String) { }
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     }
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/nvim.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | / quick_error! {
[INFO] [stderr] 21 | |     #[derive(Debug)]
[INFO] [stderr] 22 | |     pub enum NvimError {
[INFO] [stderr] 23 | |         RpcError(x: String) { }
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     }
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nvim_cat-ee271e77a25b62bd
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8f28143a1e57d4fa3eac02c6b61cf9f95bfa5e21c694b1ff6bdad77f32a2d745"`
[INFO] running `"docker" "rm" "-f" "8f28143a1e57d4fa3eac02c6b61cf9f95bfa5e21c694b1ff6bdad77f32a2d745"`
[INFO] [stdout] 8f28143a1e57d4fa3eac02c6b61cf9f95bfa5e21c694b1ff6bdad77f32a2d745