[INFO] fetching crate sentry-core 0.23.0...
[INFO] testing sentry-core-0.23.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate sentry-core 0.23.0 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate sentry-core 0.23.0 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 sentry-core 0.23.0
[INFO] finished tweaking crates.io crate sentry-core 0.23.0
[INFO] tweaked toml for crates.io crate sentry-core 0.23.0 written to /workspace/builds/worker-27/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] [stdout] 6c1b16862fe81bdbdf33c25f509ce945b83aed5ef103ec08f3a4ce8572b42b3b
[INFO] running `Command { std: "docker" "start" "-a" "6c1b16862fe81bdbdf33c25f509ce945b83aed5ef103ec08f3a4ce8572b42b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c1b16862fe81bdbdf33c25f509ce945b83aed5ef103ec08f3a4ce8572b42b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c1b16862fe81bdbdf33c25f509ce945b83aed5ef103ec08f3a4ce8572b42b3b", kill_on_drop: false }`
[INFO] [stdout] 6c1b16862fe81bdbdf33c25f509ce945b83aed5ef103ec08f3a4ce8572b42b3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] [stdout] 11a1fe9ed599f090b584be0e5de0cc6c8792ccb10d942400bed3b568530a5829
[INFO] running `Command { std: "docker" "start" "-a" "11a1fe9ed599f090b584be0e5de0cc6c8792ccb10d942400bed3b568530a5829", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling debugid v0.7.2
[INFO] [stderr]    Compiling sentry-types v0.23.0
[INFO] [stderr]    Compiling sentry-core v0.23.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.91s
[INFO] running `Command { std: "docker" "inspect" "11a1fe9ed599f090b584be0e5de0cc6c8792ccb10d942400bed3b568530a5829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11a1fe9ed599f090b584be0e5de0cc6c8792ccb10d942400bed3b568530a5829", kill_on_drop: false }`
[INFO] [stdout] 11a1fe9ed599f090b584be0e5de0cc6c8792ccb10d942400bed3b568530a5829
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] f141849fa44784b8ea1a61aaf7d268494f69ae4e3824724443c8c3c438b78453
[INFO] running `Command { std: "docker" "start" "-a" "f141849fa44784b8ea1a61aaf7d268494f69ae4e3824724443c8c3c438b78453", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sentry-core v0.23.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `anyhow`
[INFO] [stdout]    --> src/error.rs:165:22
[INFO] [stdout]     |
[INFO] [stdout] 165 |     let anyhow_err = anyhow::anyhow!("Ooops, something bad happened");
[INFO] [stdout]     |                      ^^^^^^ use of undeclared crate or module `anyhow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `anyhow`
[INFO] [stdout]    --> src/error.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 |         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: 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 `sentry-core` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "f141849fa44784b8ea1a61aaf7d268494f69ae4e3824724443c8c3c438b78453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f141849fa44784b8ea1a61aaf7d268494f69ae4e3824724443c8c3c438b78453", kill_on_drop: false }`
[INFO] [stdout] f141849fa44784b8ea1a61aaf7d268494f69ae4e3824724443c8c3c438b78453