[INFO] fetching crate hornet 0.1.0...
[INFO] checking hornet-0.1.0 against beta for pr-78714
[INFO] extracting crate hornet 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate hornet 0.1.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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" "+beta" "fetch" "--locked" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0919f438157c4b42acc31e47c53c999d8290646a4d2dd8ba40fb657ca1977e5b
[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" "0919f438157c4b42acc31e47c53c999d8290646a4d2dd8ba40fb657ca1977e5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0919f438157c4b42acc31e47c53c999d8290646a4d2dd8ba40fb657ca1977e5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0919f438157c4b42acc31e47c53c999d8290646a4d2dd8ba40fb657ca1977e5b", kill_on_drop: false }`
[INFO] [stdout] 0919f438157c4b42acc31e47c53c999d8290646a4d2dd8ba40fb657ca1977e5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc6aa063bb8da88c231475c117d2867765874e21575b5e832f4d97c16d42d332
[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" "dc6aa063bb8da88c231475c117d2867765874e21575b5e832f4d97c16d42d332", kill_on_drop: false }`
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking hdrsample v4.0.0
[INFO] [stderr]     Checking hornet v0.1.0 (/opt/rustwide/workdir)
[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 a macro (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 a macro (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 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 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 a macro (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 a macro (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: `#[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 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 a macro (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 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 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 a macro (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 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: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.66s
[INFO] running `Command { std: "docker" "inspect" "dc6aa063bb8da88c231475c117d2867765874e21575b5e832f4d97c16d42d332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc6aa063bb8da88c231475c117d2867765874e21575b5e832f4d97c16d42d332", kill_on_drop: false }`
[INFO] [stdout] dc6aa063bb8da88c231475c117d2867765874e21575b5e832f4d97c16d42d332