[INFO] fetching crate sentry-core 0.20.1...
[INFO] checking sentry-core-0.20.1 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate sentry-core 0.20.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate sentry-core 0.20.1 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sentry-core 0.20.1
[INFO] finished tweaking crates.io crate sentry-core 0.20.1
[INFO] tweaked toml for crates.io crate sentry-core 0.20.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ae9d8082eb1a191f571d218f98fa42da3c787899b102f20890c9902093c969f
[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" "6ae9d8082eb1a191f571d218f98fa42da3c787899b102f20890c9902093c969f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ae9d8082eb1a191f571d218f98fa42da3c787899b102f20890c9902093c969f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae9d8082eb1a191f571d218f98fa42da3c787899b102f20890c9902093c969f", kill_on_drop: false }`
[INFO] [stdout] 6ae9d8082eb1a191f571d218f98fa42da3c787899b102f20890c9902093c969f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c5d7a18ceaa4dfdbdcdaaf9dddc3da848cbfed118d19b3a4404acf420cbdf41f
[INFO] running `Command { std: "docker" "start" "-a" "c5d7a18ceaa4dfdbdcdaaf9dddc3da848cbfed118d19b3a4404acf420cbdf41f", kill_on_drop: false }`
[INFO] [stderr]     Checking sentry-core v0.20.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `crate::Client`
[INFO] [stdout]   --> 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]   --> 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[E0432]: unresolved import `crate::Client`
[INFO] [stdout]   --> 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]   --> 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[E0433]: failed to resolve: use of undeclared crate or module `anyhow`
[INFO] [stdout]    --> src/error.rs:145:17
[INFO] [stdout]     |
[INFO] [stdout] 145 |         anyhow::Error::from("NaN".parse::<usize>().unwrap_err())
[INFO] [stdout]     |                 ^^^^^ not found in `anyhow`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   | use core::fmt::Error;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use crate::error::Error;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use serde::de::Error;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use serde::de::value::Error;
[INFO] [stdout]     |
[INFO] [stdout]       and 7 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `failure`
[INFO] [stdout]    --> src/error.rs:152:18
[INFO] [stdout]     |
[INFO] [stdout] 152 |         failure::Error::from("NaN".parse::<usize>().unwrap_err())
[INFO] [stdout]     |                  ^^^^^ not found in `failure`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 1   | use core::fmt::Error;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use crate::error::Error;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use serde::de::Error;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use serde::de::value::Error;
[INFO] [stdout]     |
[INFO] [stdout]       and 7 other candidates
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c5d7a18ceaa4dfdbdcdaaf9dddc3da848cbfed118d19b3a4404acf420cbdf41f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5d7a18ceaa4dfdbdcdaaf9dddc3da848cbfed118d19b3a4404acf420cbdf41f", kill_on_drop: false }`
[INFO] [stdout] c5d7a18ceaa4dfdbdcdaaf9dddc3da848cbfed118d19b3a4404acf420cbdf41f