[INFO] fetching crate nihdb 0.3.0...
[INFO] checking nihdb-0.3.0 against beta for pr-78714
[INFO] extracting crate nihdb 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate nihdb 0.3.0 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 nihdb 0.3.0
[INFO] finished tweaking crates.io crate nihdb 0.3.0
[INFO] tweaked toml for crates.io crate nihdb 0.3.0 written to /workspace/builds/worker-6/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 5ef205ae04c86e42c41d979036e2d6eb01d4f4185502f941dc0055d4c98de0d4
[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" "5ef205ae04c86e42c41d979036e2d6eb01d4f4185502f941dc0055d4c98de0d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ef205ae04c86e42c41d979036e2d6eb01d4f4185502f941dc0055d4c98de0d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ef205ae04c86e42c41d979036e2d6eb01d4f4185502f941dc0055d4c98de0d4", kill_on_drop: false }`
[INFO] [stdout] 5ef205ae04c86e42c41d979036e2d6eb01d4f4185502f941dc0055d4c98de0d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] cc6e95b628e941362c38095ca538e5e8bc6bf51a448526a2d41d7a86573a1b04
[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" "cc6e95b628e941362c38095ca538e5e8bc6bf51a448526a2d41d7a86573a1b04", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking nihdb v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/disk.rs:161:42
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn finish(mut self, writer: &mut Write) -> Result<(u64, u64, Buf, Buf)> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Write`
[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/error.rs:20:46
[INFO] [stdout]    |
[INFO] [stdout] 20 |             &Error::IoError(ref e) => (e as &std::error::Error).description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:48:32
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/iter.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 |     iters: Vec<Box<MutationIterator + 'a>>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MutationIterator + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/iter.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn make(mut iters: Vec<Box<MutationIterator + 'a>>, direction: Direction) -> Result<MergeIterator<'a>> {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MutationIterator + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/iter.rs:89:19
[INFO] [stdout]    |
[INFO] [stdout] 89 |     next_gen: Box<FnMut() -> Result<Option<Box<TableIterator>>> + 'a>,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> Result<Option<Box<TableIterator>>> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/iter.rs:93:35
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn make(mut next_gen: Box<FnMut() -> Result<Option<Box<TableIterator>>> + 'a>
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> Result<Option<Box<TableIterator>>> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 29  | extern crate libc;
[INFO] [stdout]     | ------------------ the item `libc` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 130 |         use libc;
[INFO] [stdout]     |             ^^^^
[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/lib.rs:238:36
[INFO] [stdout]     |
[INFO] [stdout] 238 |             let mut iters: Vec<Box<MutationIterator + 'a>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MutationIterator + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:441:36
[INFO] [stdout]     |
[INFO] [stdout] 441 |         &self, iters: &mut Vec<Box<MutationIterator + 'a>>, table_id: TableId, interval: &Interval<Buf>,
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MutationIterator + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:457:32
[INFO] [stdout]     |
[INFO] [stdout] 457 |         let mut iters: Vec<Box<MutationIterator + 'a>> = Vec::new();
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MutationIterator + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/disk.rs:161:42
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn finish(mut self, writer: &mut Write) -> Result<(u64, u64, Buf, Buf)> {
[INFO] [stdout]     |                                          ^^^^^ help: use `dyn`: `dyn Write`
[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/error.rs:20:46
[INFO] [stdout]    |
[INFO] [stdout] 20 |             &Error::IoError(ref e) => (e as &std::error::Error).description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:48:32
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/iter.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 |     iters: Vec<Box<MutationIterator + 'a>>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MutationIterator + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/iter.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn make(mut iters: Vec<Box<MutationIterator + 'a>>, direction: Direction) -> Result<MergeIterator<'a>> {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MutationIterator + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/iter.rs:89:19
[INFO] [stdout]    |
[INFO] [stdout] 89 |     next_gen: Box<FnMut() -> Result<Option<Box<TableIterator>>> + 'a>,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> Result<Option<Box<TableIterator>>> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/iter.rs:93:35
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn make(mut next_gen: Box<FnMut() -> Result<Option<Box<TableIterator>>> + 'a>
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> Result<Option<Box<TableIterator>>> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 29  | extern crate libc;
[INFO] [stdout]     | ------------------ the item `libc` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 130 |         use libc;
[INFO] [stdout]     |             ^^^^
[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/lib.rs:238:36
[INFO] [stdout]     |
[INFO] [stdout] 238 |             let mut iters: Vec<Box<MutationIterator + 'a>> = Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MutationIterator + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:441:36
[INFO] [stdout]     |
[INFO] [stdout] 441 |         &self, iters: &mut Vec<Box<MutationIterator + 'a>>, table_id: TableId, interval: &Interval<Buf>,
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MutationIterator + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:457:32
[INFO] [stdout]     |
[INFO] [stdout] 457 |         let mut iters: Vec<Box<MutationIterator + 'a>> = Vec::new();
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MutationIterator + 'a`
[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/error.rs:20:65
[INFO] [stdout]    |
[INFO] [stdout] 20 |             &Error::IoError(ref e) => (e as &std::error::Error).description(),
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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/error.rs:20:65
[INFO] [stdout]    |
[INFO] [stdout] 20 |             &Error::IoError(ref e) => (e as &std::error::Error).description(),
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "cc6e95b628e941362c38095ca538e5e8bc6bf51a448526a2d41d7a86573a1b04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc6e95b628e941362c38095ca538e5e8bc6bf51a448526a2d41d7a86573a1b04", kill_on_drop: false }`
[INFO] [stdout] cc6e95b628e941362c38095ca538e5e8bc6bf51a448526a2d41d7a86573a1b04