[INFO] fetching crate mongors 0.3.0-alpha.1...
[INFO] checking mongors-0.3.0-alpha.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate mongors 0.3.0-alpha.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate mongors 0.3.0-alpha.1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mongors 0.3.0-alpha.1
[INFO] finished tweaking crates.io crate mongors 0.3.0-alpha.1
[INFO] tweaked toml for crates.io crate mongors 0.3.0-alpha.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate mongors 0.3.0-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bsonrs v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a14562c81a41be1b109be0c51498c94ec0d4575d4847fdeb41c8edbed45e603a
[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" "a14562c81a41be1b109be0c51498c94ec0d4575d4847fdeb41c8edbed45e603a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a14562c81a41be1b109be0c51498c94ec0d4575d4847fdeb41c8edbed45e603a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a14562c81a41be1b109be0c51498c94ec0d4575d4847fdeb41c8edbed45e603a", kill_on_drop: false }`
[INFO] [stdout] a14562c81a41be1b109be0c51498c94ec0d4575d4847fdeb41c8edbed45e603a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dcedf98aa827b55ccbac1ebe3398b3f0295d35640e6dfb3bb484f6907ce97db
[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" "8dcedf98aa827b55ccbac1ebe3398b3f0295d35640e6dfb3bb484f6907ce97db", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling mongors v0.3.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking serde_bytes v0.11.2
[INFO] [stderr]     Checking bsonrs v0.2.3
[INFO] [stdout] warning: unused import: `bsonrs::doc`
[INFO] [stdout]  --> src/read_concern.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bsonrs::doc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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:32:52
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Error::MongocError(ref inner) => inner.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:33:52
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Error::EncodeError(ref inner) => inner.description(),
[INFO] [stdout]    |                                                    ^^^^^^^^^^^
[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:34:52
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Error::DecodeError(ref inner) => inner.description()
[INFO] [stdout]    |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bsonrs::doc`
[INFO] [stdout]  --> src/read_concern.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bsonrs::doc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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:32:52
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Error::MongocError(ref inner) => inner.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:33:52
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Error::EncodeError(ref inner) => inner.description(),
[INFO] [stdout]    |                                                    ^^^^^^^^^^^
[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:34:52
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Error::DecodeError(ref inner) => inner.description()
[INFO] [stdout]    |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reply`
[INFO] [stdout]   --> examples/apm.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let reply = mongo.command_simple("admin", cmd, None);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_reply`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.03s
[INFO] running `Command { std: "docker" "inspect" "8dcedf98aa827b55ccbac1ebe3398b3f0295d35640e6dfb3bb484f6907ce97db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dcedf98aa827b55ccbac1ebe3398b3f0295d35640e6dfb3bb484f6907ce97db", kill_on_drop: false }`
[INFO] [stdout] 8dcedf98aa827b55ccbac1ebe3398b3f0295d35640e6dfb3bb484f6907ce97db