[INFO] crate hornet 0.1.0 is already in cache
[INFO] testing hornet-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate hornet 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate hornet 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hornet 0.1.0
[INFO] finished tweaking crates.io crate hornet 0.1.0
[INFO] tweaked toml for crates.io crate hornet 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2df255d7a934111204d40cda6a77bd7b9ff0a778d3d0d9b491e93a0e1b74b40
[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" "c2df255d7a934111204d40cda6a77bd7b9ff0a778d3d0d9b491e93a0e1b74b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2df255d7a934111204d40cda6a77bd7b9ff0a778d3d0d9b491e93a0e1b74b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2df255d7a934111204d40cda6a77bd7b9ff0a778d3d0d9b491e93a0e1b74b40", kill_on_drop: false }`
[INFO] [stdout] c2df255d7a934111204d40cda6a77bd7b9ff0a778d3d0d9b491e93a0e1b74b40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45828777a39a706e0757776087c8d67796dab338e306c16a6acb45b0d7231ca2
[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" "45828777a39a706e0757776087c8d67796dab338e306c16a6acb45b0d7231ca2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memmap v0.5.2
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling nix v0.8.1
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling hdrsample v4.0.0
[INFO] [stderr]    Compiling hornet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/client/mod.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | / bitflags! {
[INFO] [stdout] 149 | |     /// Flags used to modify how a client exports metrics
[INFO] [stdout] 150 | |     pub struct MMVFlags: u32 {
[INFO] [stdout] 151 | |         /// Metric names aren't prefixed with MMV filename
[INFO] [stdout] ...   |
[INFO] [stdout] 157 | |     }
[INFO] [stdout] 158 | | }
[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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/client/mod.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | / bitflags! {
[INFO] [stdout] 149 | |     /// Flags used to modify how a client exports metrics
[INFO] [stdout] 150 | |     pub struct MMVFlags: u32 {
[INFO] [stdout] 151 | |         /// Metric names aren't prefixed with MMV filename
[INFO] [stdout] ...   |
[INFO] [stdout] 157 | |     }
[INFO] [stdout] 158 | | }
[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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/client/mod.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | / bitflags! {
[INFO] [stdout] 149 | |     /// Flags used to modify how a client exports metrics
[INFO] [stdout] 150 | |     pub struct MMVFlags: u32 {
[INFO] [stdout] 151 | |         /// Metric names aren't prefixed with MMV filename
[INFO] [stdout] ...   |
[INFO] [stdout] 157 | |     }
[INFO] [stdout] 158 | | }
[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: the item `nix` is imported redundantly
[INFO] [stdout]   --> src/client/mod.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     use nix;
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:9:14
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[cfg(unix)] extern crate nix;
[INFO] [stdout]    |              ----------------- the item `nix` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/client/mod.rs:226:46
[INFO] [stdout]     |
[INFO] [stdout] 226 |     pub fn export(&self, metrics: &mut [&mut MMVWriter]) -> io::Result<()> {
[INFO] [stdout]     |                                              ^^^^^^^^^ help: use `dyn`: `dyn MMVWriter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/client/mod.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | /     lazy_static! {
[INFO] [stdout] 93 | |         static ref RE: Regex =
[INFO] [stdout] 94 | |             Regex::new("(?-u)^(PCP_[[:alnum:]_]+)=([^\"\'].*[^\"\'])\n$")
[INFO] [stdout] 95 | |                 .unwrap();
[INFO] [stdout] 96 | |     }
[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 item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]    --> src/client/metric/mod.rs:539:1
[INFO] [stdout]     |
[INFO] [stdout] 539 | / lazy_static! {
[INFO] [stdout] 540 | |     static ref SCRATCH_VIEW: MmapViewSync = {
[INFO] [stdout] 541 | |         Mmap::anonymous(STRING_BLOCK_LEN as usize, Protection::ReadWrite).unwrap()
[INFO] [stdout] 542 | |             .into_view_sync()
[INFO] [stdout] 543 | |     };
[INFO] [stdout] 544 | | }
[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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.25s
[INFO] running `Command { std: "docker" "inspect" "45828777a39a706e0757776087c8d67796dab338e306c16a6acb45b0d7231ca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45828777a39a706e0757776087c8d67796dab338e306c16a6acb45b0d7231ca2", kill_on_drop: false }`
[INFO] [stdout] 45828777a39a706e0757776087c8d67796dab338e306c16a6acb45b0d7231ca2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0879a3605118cd3522996d793e3f0205ab828fab3134cce788c5f60c7e93d636
[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" "0879a3605118cd3522996d793e3f0205ab828fab3134cce788c5f60c7e93d636", kill_on_drop: false }`
[INFO] [stderr]    Compiling hornet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/client/mod.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | / bitflags! {
[INFO] [stdout] 149 | |     /// Flags used to modify how a client exports metrics
[INFO] [stdout] 150 | |     pub struct MMVFlags: u32 {
[INFO] [stdout] 151 | |         /// Metric names aren't prefixed with MMV filename
[INFO] [stdout] ...   |
[INFO] [stdout] 157 | |     }
[INFO] [stdout] 158 | | }
[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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/client/mod.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | / bitflags! {
[INFO] [stdout] 149 | |     /// Flags used to modify how a client exports metrics
[INFO] [stdout] 150 | |     pub struct MMVFlags: u32 {
[INFO] [stdout] 151 | |         /// Metric names aren't prefixed with MMV filename
[INFO] [stdout] ...   |
[INFO] [stdout] 157 | |     }
[INFO] [stdout] 158 | | }
[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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/client/mod.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | / bitflags! {
[INFO] [stdout] 149 | |     /// Flags used to modify how a client exports metrics
[INFO] [stdout] 150 | |     pub struct MMVFlags: u32 {
[INFO] [stdout] 151 | |         /// Metric names aren't prefixed with MMV filename
[INFO] [stdout] ...   |
[INFO] [stdout] 157 | |     }
[INFO] [stdout] 158 | | }
[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: the item `nix` is imported redundantly
[INFO] [stdout]   --> src/client/mod.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     use nix;
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:9:14
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[cfg(unix)] extern crate nix;
[INFO] [stdout]    |              ----------------- the item `nix` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/client/mod.rs:226:46
[INFO] [stdout]     |
[INFO] [stdout] 226 |     pub fn export(&self, metrics: &mut [&mut MMVWriter]) -> io::Result<()> {
[INFO] [stdout]     |                                              ^^^^^^^^^ help: use `dyn`: `dyn MMVWriter`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/client/mod.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | /     lazy_static! {
[INFO] [stdout] 93 | |         static ref RE: Regex =
[INFO] [stdout] 94 | |             Regex::new("(?-u)^(PCP_[[:alnum:]_]+)=([^\"\'].*[^\"\'])\n$")
[INFO] [stdout] 95 | |                 .unwrap();
[INFO] [stdout] 96 | |     }
[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 item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]    --> src/client/metric/mod.rs:539:1
[INFO] [stdout]     |
[INFO] [stdout] 539 | / lazy_static! {
[INFO] [stdout] 540 | |     static ref SCRATCH_VIEW: MmapViewSync = {
[INFO] [stdout] 541 | |         Mmap::anonymous(STRING_BLOCK_LEN as usize, Protection::ReadWrite).unwrap()
[INFO] [stdout] 542 | |             .into_view_sync()
[INFO] [stdout] 543 | |     };
[INFO] [stdout] 544 | | }
[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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/client/mod.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | / bitflags! {
[INFO] [stdout] 149 | |     /// Flags used to modify how a client exports metrics
[INFO] [stdout] 150 | |     pub struct MMVFlags: u32 {
[INFO] [stdout] 151 | |         /// Metric names aren't prefixed with MMV filename
[INFO] [stdout] ...   |
[INFO] [stdout] 157 | |     }
[INFO] [stdout] 158 | | }
[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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/client/mod.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | / bitflags! {
[INFO] [stdout] 149 | |     /// Flags used to modify how a client exports metrics
[INFO] [stdout] 150 | |     pub struct MMVFlags: u32 {
[INFO] [stdout] 151 | |         /// Metric names aren't prefixed with MMV filename
[INFO] [stdout] ...   |
[INFO] [stdout] 157 | |     }
[INFO] [stdout] 158 | | }
[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 item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/client/mod.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | / bitflags! {
[INFO] [stdout] 149 | |     /// Flags used to modify how a client exports metrics
[INFO] [stdout] 150 | |     pub struct MMVFlags: u32 {
[INFO] [stdout] 151 | |         /// Metric names aren't prefixed with MMV filename
[INFO] [stdout] ...   |
[INFO] [stdout] 157 | |     }
[INFO] [stdout] 158 | | }
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/client/metric/mod.rs:1355:39
[INFO] [stdout]      |
[INFO] [stdout] 1355 |         let mut mmv_writers: Vec<&mut MMVWriter> = metrics.iter_mut()
[INFO] [stdout]      |                                       ^^^^^^^^^ help: use `dyn`: `dyn MMVWriter`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/client/metric/mod.rs:1356:32
[INFO] [stdout]      |
[INFO] [stdout] 1356 |             .map(|m| m as &mut MMVWriter)
[INFO] [stdout]      |                                ^^^^^^^^^ help: use `dyn`: `dyn MMVWriter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `nix` is imported redundantly
[INFO] [stdout]   --> src/client/mod.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     use nix;
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:9:14
[INFO] [stdout]    |
[INFO] [stdout] 9  | #[cfg(unix)] extern crate nix;
[INFO] [stdout]    |              ----------------- the item `nix` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/client/mod.rs:226:46
[INFO] [stdout]     |
[INFO] [stdout] 226 |     pub fn export(&self, metrics: &mut [&mut MMVWriter]) -> io::Result<()> {
[INFO] [stdout]     |                                              ^^^^^^^^^ help: use `dyn`: `dyn MMVWriter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/client/mod.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | /     lazy_static! {
[INFO] [stdout] 93 | |         static ref RE: Regex =
[INFO] [stdout] 94 | |             Regex::new("(?-u)^(PCP_[[:alnum:]_]+)=([^\"\'].*[^\"\'])\n$")
[INFO] [stdout] 95 | |                 .unwrap();
[INFO] [stdout] 96 | |     }
[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 item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]    --> src/client/metric/mod.rs:539:1
[INFO] [stdout]     |
[INFO] [stdout] 539 | / lazy_static! {
[INFO] [stdout] 540 | |     static ref SCRATCH_VIEW: MmapViewSync = {
[INFO] [stdout] 541 | |         Mmap::anonymous(STRING_BLOCK_LEN as usize, Protection::ReadWrite).unwrap()
[INFO] [stdout] 542 | |             .into_view_sync()
[INFO] [stdout] 543 | |     };
[INFO] [stdout] 544 | | }
[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: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.04s
[INFO] running `Command { std: "docker" "inspect" "0879a3605118cd3522996d793e3f0205ab828fab3134cce788c5f60c7e93d636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0879a3605118cd3522996d793e3f0205ab828fab3134cce788c5f60c7e93d636", kill_on_drop: false }`
[INFO] [stdout] 0879a3605118cd3522996d793e3f0205ab828fab3134cce788c5f60c7e93d636
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 63d4fd2978c62bef8882abdd0651482c6e5fbfceee1a17ecd891fe2047ef1ec5
[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" "63d4fd2978c62bef8882abdd0651482c6e5fbfceee1a17ecd891fe2047ef1ec5", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/mod.rs:148:1
[INFO] [stderr]     |
[INFO] [stderr] 148 | / bitflags! {
[INFO] [stderr] 149 | |     /// Flags used to modify how a client exports metrics
[INFO] [stderr] 150 | |     pub struct MMVFlags: u32 {
[INFO] [stderr] 151 | |         /// Metric names aren't prefixed with MMV filename
[INFO] [stderr] ...   |
[INFO] [stderr] 157 | |     }
[INFO] [stderr] 158 | | }
[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 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/mod.rs:148:1
[INFO] [stderr]     |
[INFO] [stderr] 148 | / bitflags! {
[INFO] [stderr] 149 | |     /// Flags used to modify how a client exports metrics
[INFO] [stderr] 150 | |     pub struct MMVFlags: u32 {
[INFO] [stderr] 151 | |         /// Metric names aren't prefixed with MMV filename
[INFO] [stderr] ...   |
[INFO] [stderr] 157 | |     }
[INFO] [stderr] 158 | | }
[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 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/mod.rs:148:1
[INFO] [stderr]     |
[INFO] [stderr] 148 | / bitflags! {
[INFO] [stderr] 149 | |     /// Flags used to modify how a client exports metrics
[INFO] [stderr] 150 | |     pub struct MMVFlags: u32 {
[INFO] [stderr] 151 | |         /// Metric names aren't prefixed with MMV filename
[INFO] [stderr] ...   |
[INFO] [stderr] 157 | |     }
[INFO] [stderr] 158 | | }
[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: the item `nix` is imported redundantly
[INFO] [stderr]   --> src/client/mod.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     use nix;
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:9:14
[INFO] [stderr]    |
[INFO] [stderr] 9  | #[cfg(unix)] extern crate nix;
[INFO] [stderr]    |              ----------------- the item `nix` is already imported here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client/mod.rs:226:46
[INFO] [stderr]     |
[INFO] [stderr] 226 |     pub fn export(&self, metrics: &mut [&mut MMVWriter]) -> io::Result<()> {
[INFO] [stderr]     |                                              ^^^^^^^^^ help: use `dyn`: `dyn MMVWriter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/client/mod.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 | /     lazy_static! {
[INFO] [stderr] 93 | |         static ref RE: Regex =
[INFO] [stderr] 94 | |             Regex::new("(?-u)^(PCP_[[:alnum:]_]+)=([^\"\'].*[^\"\'])\n$")
[INFO] [stderr] 95 | |                 .unwrap();
[INFO] [stderr] 96 | |     }
[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::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/client/metric/mod.rs:539:1
[INFO] [stderr]     |
[INFO] [stderr] 539 | / lazy_static! {
[INFO] [stderr] 540 | |     static ref SCRATCH_VIEW: MmapViewSync = {
[INFO] [stderr] 541 | |         Mmap::anonymous(STRING_BLOCK_LEN as usize, Protection::ReadWrite).unwrap()
[INFO] [stderr] 542 | |             .into_view_sync()
[INFO] [stderr] 543 | |     };
[INFO] [stderr] 544 | | }
[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: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/mod.rs:148:1
[INFO] [stderr]     |
[INFO] [stderr] 148 | / bitflags! {
[INFO] [stderr] 149 | |     /// Flags used to modify how a client exports metrics
[INFO] [stderr] 150 | |     pub struct MMVFlags: u32 {
[INFO] [stderr] 151 | |         /// Metric names aren't prefixed with MMV filename
[INFO] [stderr] ...   |
[INFO] [stderr] 157 | |     }
[INFO] [stderr] 158 | | }
[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 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/mod.rs:148:1
[INFO] [stderr]     |
[INFO] [stderr] 148 | / bitflags! {
[INFO] [stderr] 149 | |     /// Flags used to modify how a client exports metrics
[INFO] [stderr] 150 | |     pub struct MMVFlags: u32 {
[INFO] [stderr] 151 | |         /// Metric names aren't prefixed with MMV filename
[INFO] [stderr] ...   |
[INFO] [stderr] 157 | |     }
[INFO] [stderr] 158 | | }
[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 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client/mod.rs:148:1
[INFO] [stderr]     |
[INFO] [stderr] 148 | / bitflags! {
[INFO] [stderr] 149 | |     /// Flags used to modify how a client exports metrics
[INFO] [stderr] 150 | |     pub struct MMVFlags: u32 {
[INFO] [stderr] 151 | |         /// Metric names aren't prefixed with MMV filename
[INFO] [stderr] ...   |
[INFO] [stderr] 157 | |     }
[INFO] [stderr] 158 | | }
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/client/metric/mod.rs:1355:39
[INFO] [stderr]      |
[INFO] [stderr] 1355 |         let mut mmv_writers: Vec<&mut MMVWriter> = metrics.iter_mut()
[INFO] [stderr]      |                                       ^^^^^^^^^ help: use `dyn`: `dyn MMVWriter`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/client/metric/mod.rs:1356:32
[INFO] [stderr]      |
[INFO] [stderr] 1356 |             .map(|m| m as &mut MMVWriter)
[INFO] [stderr]      |                                ^^^^^^^^^ help: use `dyn`: `dyn MMVWriter`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `nix` is imported redundantly
[INFO] [stderr]   --> src/client/mod.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     use nix;
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:9:14
[INFO] [stderr]    |
[INFO] [stderr] 9  | #[cfg(unix)] extern crate nix;
[INFO] [stderr]    |              ----------------- the item `nix` is already imported here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/client/mod.rs:226:46
[INFO] [stderr]     |
[INFO] [stderr] 226 |     pub fn export(&self, metrics: &mut [&mut MMVWriter]) -> io::Result<()> {
[INFO] [stderr]     |                                              ^^^^^^^^^ help: use `dyn`: `dyn MMVWriter`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/client/mod.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 | /     lazy_static! {
[INFO] [stderr] 93 | |         static ref RE: Regex =
[INFO] [stderr] 94 | |             Regex::new("(?-u)^(PCP_[[:alnum:]_]+)=([^\"\'].*[^\"\'])\n$")
[INFO] [stderr] 95 | |                 .unwrap();
[INFO] [stderr] 96 | |     }
[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::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/client/metric/mod.rs:539:1
[INFO] [stderr]     |
[INFO] [stderr] 539 | / lazy_static! {
[INFO] [stderr] 540 | |     static ref SCRATCH_VIEW: MmapViewSync = {
[INFO] [stderr] 541 | |         Mmap::anonymous(STRING_BLOCK_LEN as usize, Protection::ReadWrite).unwrap()
[INFO] [stderr] 542 | |             .into_view_sync()
[INFO] [stderr] 543 | |     };
[INFO] [stderr] 544 | | }
[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: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hornet-6c2d7b02871ded89
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test client::metric::counter::test ... ok
[INFO] [stdout] test client::metric::countvector::test ... ok
[INFO] [stdout] test client::metric::countvector::test_multiple_initvals ... ok
[INFO] [stdout] test client::test_init_pcp_conf ... ok
[INFO] [stdout] test client::test_mmv_dir ... ok
[INFO] [stdout] test client::test_mmv_header ... ok
[INFO] [stdout] test client::metric::test_units ... ok
[INFO] [stdout] test client::metric::gauge::test ... ok
[INFO] [stdout] test client::metric::test_simple_metrics ... ok
[INFO] [stdout] test client::metric::test_instance_metrics ... ok
[INFO] [stdout] test client::metric::gaugevector::test ... ok
[INFO] [stdout] test client::metric::test_invalid_strings ... ok
[INFO] [stdout] test client::metric::test_mmv2_string_check ... ok
[INFO] [stdout] test client::metric::test_mmv2_string_blocks ... ok
[INFO] [stdout] test client::metric::test_random_numeric_metrics ... ok
[INFO] [stdout] test client::metric::histogram::test ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mmvdump-637960d8ab266dc3
[INFO] [stdout] test client::metric::timer::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [stderr]      Running /opt/rustwide/target/debug/deps/mmvfmt-a36d68cc3ab0eba1
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests hornet
[INFO] [stdout] test test_mmvfmt ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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 `Command { std: "docker" "inspect" "63d4fd2978c62bef8882abdd0651482c6e5fbfceee1a17ecd891fe2047ef1ec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d4fd2978c62bef8882abdd0651482c6e5fbfceee1a17ecd891fe2047ef1ec5", kill_on_drop: false }`
[INFO] [stdout] 63d4fd2978c62bef8882abdd0651482c6e5fbfceee1a17ecd891fe2047ef1ec5