[INFO] fetching crate holding_kronos 0.1.0...
[INFO] testing holding_kronos-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate holding_kronos 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate holding_kronos 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate holding_kronos 0.1.0
[INFO] finished tweaking crates.io crate holding_kronos 0.1.0
[INFO] tweaked toml for crates.io crate holding_kronos 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b50bfdec91b6053cf6760b4e51f16a18e8b1e75b3a0f36b5f5eaf49f78e5d014
[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" "b50bfdec91b6053cf6760b4e51f16a18e8b1e75b3a0f36b5f5eaf49f78e5d014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b50bfdec91b6053cf6760b4e51f16a18e8b1e75b3a0f36b5f5eaf49f78e5d014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b50bfdec91b6053cf6760b4e51f16a18e8b1e75b3a0f36b5f5eaf49f78e5d014", kill_on_drop: false }`
[INFO] [stdout] b50bfdec91b6053cf6760b4e51f16a18e8b1e75b3a0f36b5f5eaf49f78e5d014
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03624ffa102c017e0aa24c6a372bfb47a4a9178eb737aa9675fdf8800e01c846
[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" "03624ffa102c017e0aa24c6a372bfb47a4a9178eb737aa9675fdf8800e01c846", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling ordinal v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling derivative v2.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling strum_macros v0.19.4
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling num_enum v0.5.1
[INFO] [stderr]    Compiling holding_kronos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.83s
[INFO] running `Command { std: "docker" "inspect" "03624ffa102c017e0aa24c6a372bfb47a4a9178eb737aa9675fdf8800e01c846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03624ffa102c017e0aa24c6a372bfb47a4a9178eb737aa9675fdf8800e01c846", kill_on_drop: false }`
[INFO] [stdout] 03624ffa102c017e0aa24c6a372bfb47a4a9178eb737aa9675fdf8800e01c846
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 807f62503704f39c375132feb0d6be93048c528c94902e887f2bf9fcdd7307ca
[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" "807f62503704f39c375132feb0d6be93048c528c94902e887f2bf9fcdd7307ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling test-case v1.0.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v0.10.1
[INFO] [stderr]    Compiling holding_kronos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `anyhow`
[INFO] [stdout]  --> src/calendar/test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::Result;
[INFO] [stdout]   |     ^^^^^^ use of undeclared crate or module `anyhow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `holding_kronos`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "807f62503704f39c375132feb0d6be93048c528c94902e887f2bf9fcdd7307ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "807f62503704f39c375132feb0d6be93048c528c94902e887f2bf9fcdd7307ca", kill_on_drop: false }`
[INFO] [stdout] 807f62503704f39c375132feb0d6be93048c528c94902e887f2bf9fcdd7307ca