[INFO] fetching crate sentry-slog 0.23.0...
[INFO] testing sentry-slog-0.23.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate sentry-slog 0.23.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sentry-slog 0.23.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sentry-slog 0.23.0
[INFO] finished tweaking crates.io crate sentry-slog 0.23.0
[INFO] tweaked toml for crates.io crate sentry-slog 0.23.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", 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] 4fb05996a2aa3eac4cfb9486f503e3d6df2d8cce6f3a0882cdae50466c5a26e2
[INFO] running `Command { std: "docker" "start" "-a" "4fb05996a2aa3eac4cfb9486f503e3d6df2d8cce6f3a0882cdae50466c5a26e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fb05996a2aa3eac4cfb9486f503e3d6df2d8cce6f3a0882cdae50466c5a26e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fb05996a2aa3eac4cfb9486f503e3d6df2d8cce6f3a0882cdae50466c5a26e2", kill_on_drop: false }`
[INFO] [stdout] 4fb05996a2aa3eac4cfb9486f503e3d6df2d8cce6f3a0882cdae50466c5a26e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--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] 27d50812e4f02efa88d44843c002c9f45f27bc3ab0b3961e2086d1016ec83b7e
[INFO] running `Command { std: "docker" "start" "-a" "27d50812e4f02efa88d44843c002c9f45f27bc3ab0b3961e2086d1016ec83b7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling debugid v0.7.2
[INFO] [stderr]    Compiling sentry-types v0.23.0
[INFO] [stderr]    Compiling sentry-core v0.23.0
[INFO] [stderr]    Compiling sentry-slog v0.23.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.83s
[INFO] running `Command { std: "docker" "inspect" "27d50812e4f02efa88d44843c002c9f45f27bc3ab0b3961e2086d1016ec83b7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27d50812e4f02efa88d44843c002c9f45f27bc3ab0b3961e2086d1016ec83b7e", kill_on_drop: false }`
[INFO] [stdout] 27d50812e4f02efa88d44843c002c9f45f27bc3ab0b3961e2086d1016ec83b7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--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] 86f3ab32785a4bacbdde0c0821b7244a9fe8706462907fc977b63ccd87a3ed68
[INFO] running `Command { std: "docker" "start" "-a" "86f3ab32785a4bacbdde0c0821b7244a9fe8706462907fc977b63ccd87a3ed68", kill_on_drop: false }`
[INFO] [stderr]    Compiling sentry-slog v0.23.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `serde`
[INFO] [stdout]    --> src/converters.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     use serde::Serialize;
[INFO] [stdout]     |         ^^^^^ use of undeclared crate or module `serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `Serialize`
[INFO] [stdout]    --> src/converters.rs:111:14
[INFO] [stdout]     |
[INFO] [stdout] 111 |     #[derive(Serialize, Clone)]
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `erased_serde`
[INFO] [stdout]    --> src/converters.rs:129:36
[INFO] [stdout]     |
[INFO] [stdout] 129 |         fn as_serde(&self) -> &dyn erased_serde::Serialize {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^ use of undeclared crate or module `erased_serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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: could not compile `sentry-slog`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "86f3ab32785a4bacbdde0c0821b7244a9fe8706462907fc977b63ccd87a3ed68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86f3ab32785a4bacbdde0c0821b7244a9fe8706462907fc977b63ccd87a3ed68", kill_on_drop: false }`
[INFO] [stdout] 86f3ab32785a4bacbdde0c0821b7244a9fe8706462907fc977b63ccd87a3ed68
