[INFO] fetching crate libnv 0.2.2...
[INFO] checking libnv-0.2.2 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate libnv 0.2.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate libnv 0.2.2 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libnv 0.2.2
[INFO] finished tweaking crates.io crate libnv 0.2.2
[INFO] tweaked toml for crates.io crate libnv 0.2.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate libnv 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libnv-sys v0.1.4
[INFO] [stderr]   Downloaded nvpair-sys v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d6c85e2571345fcebfd1bba7f33f661ae20e8b2fba5883cb2ed428817debbb3
[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" "4d6c85e2571345fcebfd1bba7f33f661ae20e8b2fba5883cb2ed428817debbb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d6c85e2571345fcebfd1bba7f33f661ae20e8b2fba5883cb2ed428817debbb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d6c85e2571345fcebfd1bba7f33f661ae20e8b2fba5883cb2ed428817debbb3", kill_on_drop: false }`
[INFO] [stdout] 4d6c85e2571345fcebfd1bba7f33f661ae20e8b2fba5883cb2ed428817debbb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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] 7e745fe508f9a3ced4e177770547784dc5579d28622801cdd2c0a1e4cba4722d
[INFO] running `Command { std: "docker" "start" "-a" "7e745fe508f9a3ced4e177770547784dc5579d28622801cdd2c0a1e4cba4722d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling nvpair-sys v0.1.0
[INFO] [stderr]    Compiling libnv-sys v0.1.4
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking libnv v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / quick_error! {
[INFO] [stdout] 25 | |     #[derive(Debug)]
[INFO] [stdout] 26 | |     /// Error kinds for Name/Value library.
[INFO] [stdout] 27 | |     pub enum NvError {
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     }
[INFO] [stdout] 49 | | }
[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 associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / quick_error! {
[INFO] [stdout] 25 | |     #[derive(Debug)]
[INFO] [stdout] 26 | |     /// Error kinds for Name/Value library.
[INFO] [stdout] 27 | |     pub enum NvError {
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     }
[INFO] [stdout] 49 | | }
[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 associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / quick_error! {
[INFO] [stdout] 25 | |     #[derive(Debug)]
[INFO] [stdout] 26 | |     /// Error kinds for Name/Value library.
[INFO] [stdout] 27 | |     pub enum NvError {
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     }
[INFO] [stdout] 49 | | }
[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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / quick_error! {
[INFO] [stdout] 25 | |     #[derive(Debug)]
[INFO] [stdout] 26 | |     /// Error kinds for Name/Value library.
[INFO] [stdout] 27 | |     pub enum NvError {
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     }
[INFO] [stdout] 49 | | }
[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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / quick_error! {
[INFO] [stdout] 25 | |     #[derive(Debug)]
[INFO] [stdout] 26 | |     /// Error kinds for Name/Value library.
[INFO] [stdout] 27 | |     pub enum NvError {
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     }
[INFO] [stdout] 49 | | }
[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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / quick_error! {
[INFO] [stdout] 25 | |     #[derive(Debug)]
[INFO] [stdout] 26 | |     /// Error kinds for Name/Value library.
[INFO] [stdout] 27 | |     pub enum NvError {
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     }
[INFO] [stdout] 49 | | }
[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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / quick_error! {
[INFO] [stdout] 25 | |     #[derive(Debug)]
[INFO] [stdout] 26 | |     /// Error kinds for Name/Value library.
[INFO] [stdout] 27 | |     pub enum NvError {
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     }
[INFO] [stdout] 49 | | }
[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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / quick_error! {
[INFO] [stdout] 25 | |     #[derive(Debug)]
[INFO] [stdout] 26 | |     /// Error kinds for Name/Value library.
[INFO] [stdout] 27 | |     pub enum NvError {
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     }
[INFO] [stdout] 49 | | }
[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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / quick_error! {
[INFO] [stdout] 25 | |     #[derive(Debug)]
[INFO] [stdout] 26 | |     /// Error kinds for Name/Value library.
[INFO] [stdout] 27 | |     pub enum NvError {
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     }
[INFO] [stdout] 49 | | }
[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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / quick_error! {
[INFO] [stdout] 25 | |     #[derive(Debug)]
[INFO] [stdout] 26 | |     /// Error kinds for Name/Value library.
[INFO] [stdout] 27 | |     pub enum NvError {
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     }
[INFO] [stdout] 49 | | }
[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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / quick_error! {
[INFO] [stdout] 25 | |     #[derive(Debug)]
[INFO] [stdout] 26 | |     /// Error kinds for Name/Value library.
[INFO] [stdout] 27 | |     pub enum NvError {
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     }
[INFO] [stdout] 49 | | }
[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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / quick_error! {
[INFO] [stdout] 25 | |     #[derive(Debug)]
[INFO] [stdout] 26 | |     /// Error kinds for Name/Value library.
[INFO] [stdout] 27 | |     pub enum NvError {
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     }
[INFO] [stdout] 49 | | }
[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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / quick_error! {
[INFO] [stdout] 25 | |     #[derive(Debug)]
[INFO] [stdout] 26 | |     /// Error kinds for Name/Value library.
[INFO] [stdout] 27 | |     pub enum NvError {
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     }
[INFO] [stdout] 49 | | }
[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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / quick_error! {
[INFO] [stdout] 25 | |     #[derive(Debug)]
[INFO] [stdout] 26 | |     /// Error kinds for Name/Value library.
[INFO] [stdout] 27 | |     pub enum NvError {
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     }
[INFO] [stdout] 49 | | }
[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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / quick_error! {
[INFO] [stdout] 25 | |     #[derive(Debug)]
[INFO] [stdout] 26 | |     /// Error kinds for Name/Value library.
[INFO] [stdout] 27 | |     pub enum NvError {
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     }
[INFO] [stdout] 49 | | }
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.26s
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / quick_error! {
[INFO] [stdout] 25 | |     #[derive(Debug)]
[INFO] [stdout] 26 | |     /// Error kinds for Name/Value library.
[INFO] [stdout] 27 | |     pub enum NvError {
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |     }
[INFO] [stdout] 49 | | }
[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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7e745fe508f9a3ced4e177770547784dc5579d28622801cdd2c0a1e4cba4722d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e745fe508f9a3ced4e177770547784dc5579d28622801cdd2c0a1e4cba4722d", kill_on_drop: false }`
[INFO] [stdout] 7e745fe508f9a3ced4e177770547784dc5579d28622801cdd2c0a1e4cba4722d