[INFO] cloning repository https://github.com/ch-2020/sandbox_rust_mongodb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ch-2020/sandbox_rust_mongodb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fch-2020%2Fsandbox_rust_mongodb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fch-2020%2Fsandbox_rust_mongodb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91f434304e29842d8de8ad63a4174a67524eefee
[INFO] checking ch-2020/sandbox_rust_mongodb against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fch-2020%2Fsandbox_rust_mongodb" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ch-2020/sandbox_rust_mongodb on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ch-2020/sandbox_rust_mongodb
[INFO] finished tweaking git repo https://github.com/ch-2020/sandbox_rust_mongodb
[INFO] tweaked toml for git repo https://github.com/ch-2020/sandbox_rust_mongodb written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ch-2020/sandbox_rust_mongodb 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mongodb v2.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd1f62b91f269f85d2e77ac5df83cfb624be863298c18b8b20ded7e8ca2bf667
[INFO] running `Command { std: "docker" "start" "-a" "bd1f62b91f269f85d2e77ac5df83cfb624be863298c18b8b20ded7e8ca2bf667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd1f62b91f269f85d2e77ac5df83cfb624be863298c18b8b20ded7e8ca2bf667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd1f62b91f269f85d2e77ac5df83cfb624be863298c18b8b20ded7e8ca2bf667", kill_on_drop: false }`
[INFO] [stdout] bd1f62b91f269f85d2e77ac5df83cfb624be863298c18b8b20ded7e8ca2bf667
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d4764a24d1415074aece3a5018d7648c2448f1754fd947612388baed18a124d
[INFO] running `Command { std: "docker" "start" "-a" "1d4764a24d1415074aece3a5018d7648c2448f1754fd947612388baed18a124d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cc v1.0.89
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking indexmap v2.2.5
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]    Compiling time-macros v0.2.17
[INFO] [stderr]    Compiling rustc_version_runtime v0.2.1
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking stringprep v0.1.4
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking chrono v0.4.34
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling enum-as-inner v0.4.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling typed-builder v0.10.0
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking trust-dns-proto v0.21.2
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking uuid v1.7.0
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking serde_with v1.14.0
[INFO] [stderr]     Checking trust-dns-resolver v0.21.2
[INFO] [stderr]     Checking bson v2.9.0
[INFO] [stderr]     Checking mongodb v2.8.1
[INFO] [stderr]     Checking sandbox_rust_mongodb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.43s
[INFO] running `Command { std: "docker" "inspect" "1d4764a24d1415074aece3a5018d7648c2448f1754fd947612388baed18a124d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d4764a24d1415074aece3a5018d7648c2448f1754fd947612388baed18a124d", kill_on_drop: false }`
[INFO] [stdout] 1d4764a24d1415074aece3a5018d7648c2448f1754fd947612388baed18a124d