[INFO] fetching crate upm_lib 0.3.0...
[INFO] testing upm_lib-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate upm_lib 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate upm_lib 0.3.0 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 upm_lib 0.3.0
[INFO] finished tweaking crates.io crate upm_lib 0.3.0
[INFO] tweaked toml for crates.io crate upm_lib 0.3.0 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] 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] 3188a37de82e68733a6d89e649234dda52bc866d645b2790bf561240a3e13f87
[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" "3188a37de82e68733a6d89e649234dda52bc866d645b2790bf561240a3e13f87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3188a37de82e68733a6d89e649234dda52bc866d645b2790bf561240a3e13f87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3188a37de82e68733a6d89e649234dda52bc866d645b2790bf561240a3e13f87", kill_on_drop: false }`
[INFO] [stdout] 3188a37de82e68733a6d89e649234dda52bc866d645b2790bf561240a3e13f87
[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] eaea72ec94ce52dccc61cda65745a56273446c197b3c368445b711409349246d
[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" "eaea72ec94ce52dccc61cda65745a56273446c197b3c368445b711409349246d", kill_on_drop: false }`
[INFO] [stderr]    Compiling upm_lib v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "eaea72ec94ce52dccc61cda65745a56273446c197b3c368445b711409349246d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaea72ec94ce52dccc61cda65745a56273446c197b3c368445b711409349246d", kill_on_drop: false }`
[INFO] [stdout] eaea72ec94ce52dccc61cda65745a56273446c197b3c368445b711409349246d
[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] 27853b7a25a125a259a061c24bfb569469ad2c99653b9f3c401c941c6284f6b4
[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" "27853b7a25a125a259a061c24bfb569469ad2c99653b9f3c401c941c6284f6b4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling upm_lib v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for struct `Version` in the current scope
[INFO] [stdout]    --> src/lib.rs:465:38
[INFO] [stdout]     |
[INFO] [stdout] 289 | pub struct Version {
[INFO] [stdout]     | ------------------ function or associated item `new` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 465 |         let blank_version = Version::new();
[INFO] [stdout]     |                                      ^^^ function or associated item not found in `Version`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following traits define an item `new`, perhaps you need to implement one of them:
[INFO] [stdout]             candidate #1: `gimli::read::lookup::PubStuffEntry`
[INFO] [stdout]             candidate #2: `aho_corasick::Transitions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:492:51
[INFO] [stdout]     |
[INFO] [stdout] 492 |         let managers = read_config_dirs(path_vec, ManagerSpecifier::Empty);
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                   |
[INFO] [stdout]     |                                                   expected `&ManagerSpecifier`, found enum `ManagerSpecifier`
[INFO] [stdout]     |                                                   help: consider borrowing here: `&ManagerSpecifier::Empty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `upm_lib`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "27853b7a25a125a259a061c24bfb569469ad2c99653b9f3c401c941c6284f6b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27853b7a25a125a259a061c24bfb569469ad2c99653b9f3c401c941c6284f6b4", kill_on_drop: false }`
[INFO] [stdout] 27853b7a25a125a259a061c24bfb569469ad2c99653b9f3c401c941c6284f6b4