[INFO] fetching crate hornet 0.1.0...
[INFO] testing hornet-0.1.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate hornet 0.1.0 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate hornet 0.1.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-38/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4087ff9c5bfff317703f84eadf793a7e25bf84e5448db6248d31861940ff334
[INFO] running `Command { std: "docker" "start" "-a" "c4087ff9c5bfff317703f84eadf793a7e25bf84e5448db6248d31861940ff334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4087ff9c5bfff317703f84eadf793a7e25bf84e5448db6248d31861940ff334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4087ff9c5bfff317703f84eadf793a7e25bf84e5448db6248d31861940ff334", kill_on_drop: false }`
[INFO] [stdout] c4087ff9c5bfff317703f84eadf793a7e25bf84e5448db6248d31861940ff334
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12be7167fec9d1dd771d2d539bc48945f99eb133856c1a92a7e08d51e35c519c
[INFO] running `Command { std: "docker" "start" "-a" "12be7167fec9d1dd771d2d539bc48945f99eb133856c1a92a7e08d51e35c519c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling memmap v0.5.2
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling nix v0.8.1
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling hdrsample v4.0.0
[INFO] [stderr]    Compiling hornet v0.1.0 (/opt/rustwide/workdir)
[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: use of deprecated macro `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 the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `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 the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `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 the macro `__impl_bitflags` (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/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]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `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 the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `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 the macro `__lazy_static_create` (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 12.95s
[INFO] running `Command { std: "docker" "inspect" "12be7167fec9d1dd771d2d539bc48945f99eb133856c1a92a7e08d51e35c519c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12be7167fec9d1dd771d2d539bc48945f99eb133856c1a92a7e08d51e35c519c", kill_on_drop: false }`
[INFO] [stdout] 12be7167fec9d1dd771d2d539bc48945f99eb133856c1a92a7e08d51e35c519c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c3350b671929da025da56fdf3c0c56e19941171a40e2144d51e7e45f8987a16
[INFO] running `Command { std: "docker" "start" "-a" "4c3350b671929da025da56fdf3c0c56e19941171a40e2144d51e7e45f8987a16", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand v0.3.23
[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: use of deprecated macro `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 the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `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 the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `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 the macro `__impl_bitflags` (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/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]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `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 the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `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 the macro `__lazy_static_create` (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]    Compiling hornet v0.1.0 (/opt/rustwide/workdir)
[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]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]      = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]      = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: use of deprecated macro `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 the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `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 the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `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 the macro `__impl_bitflags` (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/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]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `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 the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `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 the macro `__lazy_static_create` (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 5.10s
[INFO] running `Command { std: "docker" "inspect" "4c3350b671929da025da56fdf3c0c56e19941171a40e2144d51e7e45f8987a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c3350b671929da025da56fdf3c0c56e19941171a40e2144d51e7e45f8987a16", kill_on_drop: false }`
[INFO] [stdout] 4c3350b671929da025da56fdf3c0c56e19941171a40e2144d51e7e45f8987a16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 24cb10dbe15dcfde527f138e956005b5ff9e61be0c969f4b8a0066d7a1ebbd2d
[INFO] running `Command { std: "docker" "start" "-a" "24cb10dbe15dcfde527f138e956005b5ff9e61be0c969f4b8a0066d7a1ebbd2d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: use of deprecated macro `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 the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `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 the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `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 the macro `__impl_bitflags` (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/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]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `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 the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `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 the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[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]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]      = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]      = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: use of deprecated macro `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 the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `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 the macro `__impl_bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `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 the macro `__impl_bitflags` (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/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: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `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 the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `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 the macro `__lazy_static_create` (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 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hornet-7cf0ed938df36b95)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test client::metric::counter::test ... ok
[INFO] [stdout] test client::metric::gauge::test ... ok
[INFO] [stdout] test client::metric::countvector::test_multiple_initvals ... ok
[INFO] [stdout] test client::metric::countvector::test ... 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_instance_metrics ... ok
[INFO] [stdout] test client::metric::test_mmv2_string_blocks ... ok
[INFO] [stdout] test client::metric::test_units ... ok
[INFO] [stdout] test client::test_init_pcp_conf ... ok
[INFO] [stdout] test client::test_mmv_dir ... ok
[INFO] [stdout] test client::metric::test_simple_metrics ... ok
[INFO] [stdout] test client::metric::test_random_numeric_metrics ... ok
[INFO] [stdout] test client::test_mmv_header ... ok
[INFO] [stdout] test client::metric::histogram::test ... ok
[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; finished in 4.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mmvdump-3d4af93f3ffd0bea)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mmvfmt.rs (/opt/rustwide/target/debug/deps/mmvfmt-1d6ee5c54bee7751)
[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; finished in 0.05s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "24cb10dbe15dcfde527f138e956005b5ff9e61be0c969f4b8a0066d7a1ebbd2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24cb10dbe15dcfde527f138e956005b5ff9e61be0c969f4b8a0066d7a1ebbd2d", kill_on_drop: false }`
[INFO] [stdout] 24cb10dbe15dcfde527f138e956005b5ff9e61be0c969f4b8a0066d7a1ebbd2d
