[INFO] fetching crate bson 2.6.1...
[INFO] checking bson-2.6.1 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate bson 2.6.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate bson 2.6.1 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bson 2.6.1
[INFO] finished tweaking crates.io crate bson 2.6.1
[INFO] tweaked toml for crates.io crate bson 2.6.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate bson 2.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22165a60dc0bb76378ecf6a0505d691aed56d5871586bade05b5c07b5689ae83
[INFO] running `Command { std: "docker" "start" "-a" "22165a60dc0bb76378ecf6a0505d691aed56d5871586bade05b5c07b5689ae83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22165a60dc0bb76378ecf6a0505d691aed56d5871586bade05b5c07b5689ae83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22165a60dc0bb76378ecf6a0505d691aed56d5871586bade05b5c07b5689ae83", kill_on_drop: false }`
[INFO] [stdout] 22165a60dc0bb76378ecf6a0505d691aed56d5871586bade05b5c07b5689ae83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6347c0c11926b11a400c70420d11a66686044fd54dbeb8b7505b06943d16c388
[INFO] running `Command { std: "docker" "start" "-a" "6347c0c11926b11a400c70420d11a66686044fd54dbeb8b7505b06943d16c388", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.88
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling time-macros v0.2.6
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking num_cpus v1.14.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking time v0.3.17
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]     Checking proptest v1.0.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking uuid v1.2.2
[INFO] [stderr]     Checking serde_bytes v0.11.7
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking chrono v0.4.23
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking bson v2.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/de/raw.rs:998:27
[INFO] [stdout]     |
[INFO] [stdout] 998 |     fn deserialize_any<V>(mut self, visitor: V) -> Result<V::Value>
[INFO] [stdout]     |                           ----^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/de/raw.rs:1098:27
[INFO] [stdout]      |
[INFO] [stdout] 1098 |     fn deserialize_any<V>(mut self, visitor: V) -> Result<V::Value>
[INFO] [stdout]      |                           ----^^^^
[INFO] [stdout]      |                           |
[INFO] [stdout]      |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/de/raw.rs:1199:27
[INFO] [stdout]      |
[INFO] [stdout] 1199 |     fn deserialize_any<V>(mut self, visitor: V) -> Result<V::Value>
[INFO] [stdout]      |                           ----^^^^
[INFO] [stdout]      |                           |
[INFO] [stdout]      |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/de/raw.rs:1333:27
[INFO] [stdout]      |
[INFO] [stdout] 1333 |     fn deserialize_any<V>(mut self, visitor: V) -> Result<V::Value>
[INFO] [stdout]      |                           ----^^^^
[INFO] [stdout]      |                           |
[INFO] [stdout]      |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/de/raw.rs:1450:27
[INFO] [stdout]      |
[INFO] [stdout] 1450 |     fn deserialize_any<V>(mut self, visitor: V) -> Result<V::Value>
[INFO] [stdout]      |                           ----^^^^
[INFO] [stdout]      |                           |
[INFO] [stdout]      |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ser/raw/mod.rs:263:9
[INFO] [stdout]     |
[INFO] [stdout] 263 |         mut self,
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0583]: file not found for module `tests`
[INFO] [stdout]    --> src/lib.rs:311:1
[INFO] [stdout]     |
[INFO] [stdout] 311 | mod tests;
[INFO] [stdout]     | ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: to create the module `tests`, create file "src/tests.rs" or "src/tests/mod.rs"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::tests::LOCK`
[INFO] [stdout]    --> src/oid.rs:295:5
[INFO] [stdout]     |
[INFO] [stdout] 295 | use crate::tests::LOCK;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^ no `LOCK` in `tests`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::tests::LOCK`
[INFO] [stdout]  --> src/raw/test/append.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     tests::LOCK,
[INFO] [stdout]   |     ^^^^^^^^^^^ no `LOCK` in `tests`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::raw::Deserializer as RawDeserializer`
[INFO] [stdout]   --> src/de/mod.rs:53:16
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub(crate) use self::raw::Deserializer as RawDeserializer;
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> src/de/raw.rs:1723:51
[INFO] [stdout]      |
[INFO] [stdout] 1723 |         let bytes_read = self.bytes[self.index..].as_ref().read(buf)?;
[INFO] [stdout]      |                                                   ^^^^^^   ---- type must be known at this point
[INFO] [stdout]      |
[INFO] [stdout] help: try using a fully qualified path to specify the expected types
[INFO] [stdout]      |
[INFO] [stdout] 1723 |         let bytes_read = <[u8] as AsRef<T>>::as_ref(&self.bytes[self.index..]).read(buf)?;
[INFO] [stdout]      |                          ++++++++++++++++++++++++++++                        ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432, E0583.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bson` (lib test) due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "6347c0c11926b11a400c70420d11a66686044fd54dbeb8b7505b06943d16c388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6347c0c11926b11a400c70420d11a66686044fd54dbeb8b7505b06943d16c388", kill_on_drop: false }`
[INFO] [stdout] 6347c0c11926b11a400c70420d11a66686044fd54dbeb8b7505b06943d16c388
