[INFO] fetching crate rkv 0.15.0...
[INFO] checking rkv-0.15.0 against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] extracting crate rkv 0.15.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rkv 0.15.0 on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rkv 0.15.0
[INFO] finished tweaking crates.io crate rkv 0.15.0
[INFO] tweaked toml for crates.io crate rkv 0.15.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate rkv 0.15.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded id-arena v2.2.1
[INFO] [stderr]   Downloaded lmdb-rkv v0.14.0
[INFO] [stderr]   Downloaded lmdb-rkv-sys v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 298f02e13d020bd8b9885e97661adb9ada58afbc22259be413f756a2788038c7
[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" "298f02e13d020bd8b9885e97661adb9ada58afbc22259be413f756a2788038c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "298f02e13d020bd8b9885e97661adb9ada58afbc22259be413f756a2788038c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "298f02e13d020bd8b9885e97661adb9ada58afbc22259be413f756a2788038c7", kill_on_drop: false }`
[INFO] [stdout] 298f02e13d020bd8b9885e97661adb9ada58afbc22259be413f756a2788038c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4c8749abd5e1ed9f92849c683ad3af5c9d7f875121c718a4cd940b02e7a9e73
[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" "c4c8749abd5e1ed9f92849c683ad3af5c9d7f875121c718a4cd940b02e7a9e73", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking id-arena v2.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling lmdb-rkv-sys v0.11.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking lmdb-rkv v0.14.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking rkv v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.48s
[INFO] running `Command { std: "docker" "inspect" "c4c8749abd5e1ed9f92849c683ad3af5c9d7f875121c718a4cd940b02e7a9e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4c8749abd5e1ed9f92849c683ad3af5c9d7f875121c718a4cd940b02e7a9e73", kill_on_drop: false }`
[INFO] [stdout] c4c8749abd5e1ed9f92849c683ad3af5c9d7f875121c718a4cd940b02e7a9e73