[INFO] fetching crate bson2 2.0.3...
[INFO] testing bson2-2.0.3 against 1.60.0 for beta-1.61-1
[INFO] extracting crate bson2 2.0.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate bson2 2.0.3 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bson2 2.0.3
[INFO] finished tweaking crates.io crate bson2 2.0.3
[INFO] tweaked toml for crates.io crate bson2 2.0.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate bson2 2.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_with v1.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e5aa51af95e8d33b37ce17d0013f185c906933bab3490bad5a8c1a60ba4017af
[INFO] running `Command { std: "docker" "start" "-a" "e5aa51af95e8d33b37ce17d0013f185c906933bab3490bad5a8c1a60ba4017af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5aa51af95e8d33b37ce17d0013f185c906933bab3490bad5a8c1a60ba4017af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5aa51af95e8d33b37ce17d0013f185c906933bab3490bad5a8c1a60ba4017af", kill_on_drop: false }`
[INFO] [stdout] e5aa51af95e8d33b37ce17d0013f185c906933bab3490bad5a8c1a60ba4017af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] daa089aea0f7b02903d5876d90c685cda4963476b9ba325631a80a130c9ee988
[INFO] running `Command { std: "docker" "start" "-a" "daa089aea0f7b02903d5876d90c685cda4963476b9ba325631a80a130c9ee988", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde_json v1.0.70
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling bson2 v2.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TryFrom`
[INFO] [stdout]  --> src/de/serde.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |     convert::{TryFrom, TryInto},
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `BsonInteger`
[INFO] [stdout]    --> src/de/serde.rs:542:6
[INFO] [stdout]     |
[INFO] [stdout] 542 | enum BsonInteger {
[INFO] [stdout]     |      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.47s
[INFO] running `Command { std: "docker" "inspect" "daa089aea0f7b02903d5876d90c685cda4963476b9ba325631a80a130c9ee988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daa089aea0f7b02903d5876d90c685cda4963476b9ba325631a80a130c9ee988", kill_on_drop: false }`
[INFO] [stdout] daa089aea0f7b02903d5876d90c685cda4963476b9ba325631a80a130c9ee988
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 698581b407a9ce48da0fafbf205ec568a5fc4d017e22f594c477ac927696c160
[INFO] running `Command { std: "docker" "start" "-a" "698581b407a9ce48da0fafbf205ec568a5fc4d017e22f594c477ac927696c160", kill_on_drop: false }`
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stdout] warning: unused import: `TryFrom`
[INFO] [stdout]  --> src/de/serde.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |     convert::{TryFrom, TryInto},
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `BsonInteger`
[INFO] [stdout]    --> src/de/serde.rs:542:6
[INFO] [stdout]     |
[INFO] [stdout] 542 | enum BsonInteger {
[INFO] [stdout]     |      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v1.0.0
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling bson2 v2.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `tests`
[INFO] [stdout]    --> src/lib.rs:306:1
[INFO] [stdout]     |
[INFO] [stdout] 306 | 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] error[E0432]: unresolved import `crate::tests::LOCK`
[INFO] [stdout]    --> src/oid.rs:226:5
[INFO] [stdout]     |
[INFO] [stdout] 226 | use crate::tests::LOCK;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^ no `LOCK` in `tests`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryFrom`
[INFO] [stdout]  --> src/de/serde.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 |     convert::{TryFrom, TryInto},
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::raw::Deserializer as RawDeserializer`
[INFO] [stdout]   --> src/de/mod.rs:52:16
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub(crate) use self::raw::Deserializer as RawDeserializer;
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0583.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bson2` due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "698581b407a9ce48da0fafbf205ec568a5fc4d017e22f594c477ac927696c160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "698581b407a9ce48da0fafbf205ec568a5fc4d017e22f594c477ac927696c160", kill_on_drop: false }`
[INFO] [stdout] 698581b407a9ce48da0fafbf205ec568a5fc4d017e22f594c477ac927696c160