[INFO] updating cached repository https://github.com/lfitchett/learningRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e144cf66d364d778b82fdedf2e1f2d40c1f1f524
[INFO] testing lfitchett/learningRust against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfitchett%2FlearningRust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lfitchett/learningRust on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lfitchett/learningRust
[INFO] finished tweaking git repo https://github.com/lfitchett/learningRust
[INFO] tweaked toml for git repo https://github.com/lfitchett/learningRust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/lfitchett/learningRust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19ab23f27d8cbdcba7bb6773e1b34880fbca78d72948b781c26ed8a12715d1ed
[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" "19ab23f27d8cbdcba7bb6773e1b34880fbca78d72948b781c26ed8a12715d1ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19ab23f27d8cbdcba7bb6773e1b34880fbca78d72948b781c26ed8a12715d1ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19ab23f27d8cbdcba7bb6773e1b34880fbca78d72948b781c26ed8a12715d1ed", kill_on_drop: false }`
[INFO] [stdout] 19ab23f27d8cbdcba7bb6773e1b34880fbca78d72948b781c26ed8a12715d1ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72fc6405d464adfcb4e68df4aa9cd8ccc2f823a0b5e4a48c60bc5ad015a58c2a
[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" "72fc6405d464adfcb4e68df4aa9cd8ccc2f823a0b5e4a48c60bc5ad015a58c2a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling libc v0.2.61
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling sysinfo v0.9.6
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `advent`
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod advent;
[INFO] [stdout]   | ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `advent`, create file "src/advent.rs"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0583]: file not found for module `random`
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | mod random;
[INFO] [stdout]   | ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `random`, create file "src/random.rs"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `byte_unit`
[INFO] [stdout]  --> src/future.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use byte_unit::*;
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared type or module `byte_unit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `chrono`
[INFO] [stdout]  --> src/future.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use chrono::*;
[INFO] [stdout]   |     ^^^^^^ use of undeclared type or module `chrono`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `uptime_lib`
[INFO] [stdout]   --> src/future.rs:38:30
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 host_uptime: uptime_lib::get().unwrap().num_seconds(),
[INFO] [stdout]    |                              ^^^^^^^^^^ use of undeclared type or module `uptime_lib`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Byte`
[INFO] [stdout]   --> src/future.rs:78:30
[INFO] [stdout]    |
[INFO] [stdout] 78 |             available_space: Byte::from_bytes(u128::from(available_space))
[INFO] [stdout]    |                              ^^^^ use of undeclared type or module `Byte`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Byte`
[INFO] [stdout]   --> src/future.rs:81:26
[INFO] [stdout]    |
[INFO] [stdout] 81 |             total_space: Byte::from_bytes(u128::from(total_space))
[INFO] [stdout]    |                          ^^^^ use of undeclared type or module `Byte`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Byte`
[INFO] [stdout]   --> src/future.rs:92:11
[INFO] [stdout]    |
[INFO] [stdout] 92 |     match Byte::from_unit(bytes as f64, ByteUnit::KiB) {
[INFO] [stdout]    |           ^^^^ use of undeclared type or module `Byte`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `ByteUnit`
[INFO] [stdout]   --> src/future.rs:92:41
[INFO] [stdout]    |
[INFO] [stdout] 92 |     match Byte::from_unit(bytes as f64, ByteUnit::KiB) {
[INFO] [stdout]    |                                         ^^^^^^^^ use of undeclared type or module `ByteUnit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0583.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `playground`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "72fc6405d464adfcb4e68df4aa9cd8ccc2f823a0b5e4a48c60bc5ad015a58c2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72fc6405d464adfcb4e68df4aa9cd8ccc2f823a0b5e4a48c60bc5ad015a58c2a", kill_on_drop: false }`
[INFO] [stdout] 72fc6405d464adfcb4e68df4aa9cd8ccc2f823a0b5e4a48c60bc5ad015a58c2a