[INFO] fetching crate serde_bson 0.0.1...
[INFO] testing serde_bson-0.0.1 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate serde_bson 0.0.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate serde_bson 0.0.1
[INFO] finished tweaking crates.io crate serde_bson 0.0.1
[INFO] tweaked toml for crates.io crate serde_bson 0.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_bson 0.0.1 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 102 packages to latest compatible versions
[INFO] [stderr]       Adding bson v1.2.4 (available: v3.1.0)
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.8.2)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 283a3482cb99c0b2f5e2227d5c775b588c8a9fb5069733fa66246a0caaf3df1b
[INFO] running `Command { std: "docker" "start" "-a" "283a3482cb99c0b2f5e2227d5c775b588c8a9fb5069733fa66246a0caaf3df1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "283a3482cb99c0b2f5e2227d5c775b588c8a9fb5069733fa66246a0caaf3df1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "283a3482cb99c0b2f5e2227d5c775b588c8a9fb5069733fa66246a0caaf3df1b", kill_on_drop: false }`
[INFO] [stdout] 283a3482cb99c0b2f5e2227d5c775b588c8a9fb5069733fa66246a0caaf3df1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64878184bb66af0d32eb4d080a3ae944293bee3e768f8567fdb15f3dc01cf4de
[INFO] running `Command { std: "docker" "start" "-a" "64878184bb66af0d32eb4d080a3ae944293bee3e768f8567fdb15f3dc01cf4de", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_bson v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.84s
[INFO] running `Command { std: "docker" "inspect" "64878184bb66af0d32eb4d080a3ae944293bee3e768f8567fdb15f3dc01cf4de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64878184bb66af0d32eb4d080a3ae944293bee3e768f8567fdb15f3dc01cf4de", kill_on_drop: false }`
[INFO] [stdout] 64878184bb66af0d32eb4d080a3ae944293bee3e768f8567fdb15f3dc01cf4de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 105c5b4361702e3d627b4ce19a014667848993a8a8bebe6f9113d0efa0030689
[INFO] running `Command { std: "docker" "start" "-a" "105c5b4361702e3d627b4ce19a014667848993a8a8bebe6f9113d0efa0030689", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling bson v1.2.4
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling serde_bson v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         to_string(&test, &mut ours);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let _ = to_string(&test, &mut ours);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 23.33s
[INFO] running `Command { std: "docker" "inspect" "105c5b4361702e3d627b4ce19a014667848993a8a8bebe6f9113d0efa0030689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "105c5b4361702e3d627b4ce19a014667848993a8a8bebe6f9113d0efa0030689", kill_on_drop: false }`
[INFO] [stdout] 105c5b4361702e3d627b4ce19a014667848993a8a8bebe6f9113d0efa0030689
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9086c1e218248612ac98702a7c0196b195f5ce47a33120a7438821bc63e091fe
[INFO] running `Command { std: "docker" "start" "-a" "9086c1e218248612ac98702a7c0196b195f5ce47a33120a7438821bc63e091fe", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |         to_string(&test, &mut ours);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let _ = to_string(&test, &mut ours);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `serde_bson` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_bson-5a63b2ee0f3c5dd9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test_basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_bson
[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" "9086c1e218248612ac98702a7c0196b195f5ce47a33120a7438821bc63e091fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9086c1e218248612ac98702a7c0196b195f5ce47a33120a7438821bc63e091fe", kill_on_drop: false }`
[INFO] [stdout] 9086c1e218248612ac98702a7c0196b195f5ce47a33120a7438821bc63e091fe
