[INFO] fetching crate ckb-sentry-core 0.21.0...
[INFO] testing ckb-sentry-core-0.21.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ckb-sentry-core 0.21.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ckb-sentry-core 0.21.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ckb-sentry-core 0.21.0
[INFO] finished tweaking crates.io crate ckb-sentry-core 0.21.0
[INFO] tweaked toml for crates.io crate ckb-sentry-core 0.21.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 7b02a486179cf9389fc22d764efec50d10b9f143c5d9c0a1d20c61e369b5bef7
[INFO] running `Command { std: "docker" "start" "-a" "7b02a486179cf9389fc22d764efec50d10b9f143c5d9c0a1d20c61e369b5bef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b02a486179cf9389fc22d764efec50d10b9f143c5d9c0a1d20c61e369b5bef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b02a486179cf9389fc22d764efec50d10b9f143c5d9c0a1d20c61e369b5bef7", kill_on_drop: false }`
[INFO] [stdout] 7b02a486179cf9389fc22d764efec50d10b9f143c5d9c0a1d20c61e369b5bef7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 29981b0ecd09af0450d2c3da1c0bae57f73fdef74f27aceaa271481d4d583ca4
[INFO] running `Command { std: "docker" "start" "-a" "29981b0ecd09af0450d2c3da1c0bae57f73fdef74f27aceaa271481d4d583ca4", kill_on_drop: false }`
[INFO] [stderr]    Compiling ckb-sentry-core v0.21.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "29981b0ecd09af0450d2c3da1c0bae57f73fdef74f27aceaa271481d4d583ca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29981b0ecd09af0450d2c3da1c0bae57f73fdef74f27aceaa271481d4d583ca4", kill_on_drop: false }`
[INFO] [stdout] 29981b0ecd09af0450d2c3da1c0bae57f73fdef74f27aceaa271481d4d583ca4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28199da112ca3f2e293d1c4eeb44931d8031af8214cc7fffd555df01dfbc16a0
[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" "28199da112ca3f2e293d1c4eeb44931d8031af8214cc7fffd555df01dfbc16a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling ckb-sentry-core v0.21.0 (/opt/rustwide/workdir)
[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::__private::doc::Error;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use serde::__private::fmt::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::__private::doc::Error;
[INFO] [stdout]     |
[INFO] [stdout] 1   | use serde::__private::fmt::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 E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ckb-sentry-core` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "28199da112ca3f2e293d1c4eeb44931d8031af8214cc7fffd555df01dfbc16a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28199da112ca3f2e293d1c4eeb44931d8031af8214cc7fffd555df01dfbc16a0", kill_on_drop: false }`
[INFO] [stdout] 28199da112ca3f2e293d1c4eeb44931d8031af8214cc7fffd555df01dfbc16a0