[INFO] fetching crate sentry-backtrace 0.20.1...
[INFO] checking sentry-backtrace-0.20.1 against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] extracting crate sentry-backtrace 0.20.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate sentry-backtrace 0.20.1 on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sentry-backtrace 0.20.1
[INFO] finished tweaking crates.io crate sentry-backtrace 0.20.1
[INFO] tweaked toml for crates.io crate sentry-backtrace 0.20.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f36fbfdc4e87c1acd10aaa0c489e9ad2fef6a0ff8f3d6f7741b9d9341feb2e9
[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" "6f36fbfdc4e87c1acd10aaa0c489e9ad2fef6a0ff8f3d6f7741b9d9341feb2e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f36fbfdc4e87c1acd10aaa0c489e9ad2fef6a0ff8f3d6f7741b9d9341feb2e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f36fbfdc4e87c1acd10aaa0c489e9ad2fef6a0ff8f3d6f7741b9d9341feb2e9", kill_on_drop: false }`
[INFO] [stdout] 6f36fbfdc4e87c1acd10aaa0c489e9ad2fef6a0ff8f3d6f7741b9d9341feb2e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b7bab4c31bfc830341c3068944b2ad8d6fbabf82219ad649cbb834a41a5f9d4
[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" "3b7bab4c31bfc830341c3068944b2ad8d6fbabf82219ad649cbb834a41a5f9d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking debugid v0.7.2
[INFO] [stderr]     Checking sentry-types v0.20.1
[INFO] [stderr]     Checking sentry-core v0.20.1
[INFO] [stdout] error[E0432]: unresolved import `crate::Client`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sentry-core-0.20.1/src/session.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::{Client, Envelope};
[INFO] [stdout]    |             ^^^^^^ no `Client` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::scope::StackLayer`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sentry-core-0.20.1/src/session.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::scope::StackLayer;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^ no `StackLayer` in `scope`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sentry-core`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "3b7bab4c31bfc830341c3068944b2ad8d6fbabf82219ad649cbb834a41a5f9d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b7bab4c31bfc830341c3068944b2ad8d6fbabf82219ad649cbb834a41a5f9d4", kill_on_drop: false }`
[INFO] [stdout] 3b7bab4c31bfc830341c3068944b2ad8d6fbabf82219ad649cbb834a41a5f9d4