[INFO] fetching crate coaster 0.2.0...
[INFO] testing coaster-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate coaster 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate coaster 0.2.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coaster 0.2.0
[INFO] finished tweaking crates.io crate coaster 0.2.0
[INFO] tweaked toml for crates.io crate coaster 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate coaster 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 177647f9948cd5180d5461907ab625aa9722ba08c7f795b38bf8c4ec239eb935
[INFO] running `Command { std: "docker" "start" "-a" "177647f9948cd5180d5461907ab625aa9722ba08c7f795b38bf8c4ec239eb935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "177647f9948cd5180d5461907ab625aa9722ba08c7f795b38bf8c4ec239eb935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "177647f9948cd5180d5461907ab625aa9722ba08c7f795b38bf8c4ec239eb935", kill_on_drop: false }`
[INFO] [stdout] 177647f9948cd5180d5461907ab625aa9722ba08c7f795b38bf8c4ec239eb935
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 7c9462caf21935fb72b2525d8334c2060915ba27ad19502dd448e36d9dca7786
[INFO] running `Command { std: "docker" "start" "-a" "7c9462caf21935fb72b2525d8334c2060915ba27ad19502dd448e36d9dca7786", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling coaster v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.84s
[INFO] running `Command { std: "docker" "inspect" "7c9462caf21935fb72b2525d8334c2060915ba27ad19502dd448e36d9dca7786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c9462caf21935fb72b2525d8334c2060915ba27ad19502dd448e36d9dca7786", kill_on_drop: false }`
[INFO] [stdout] 7c9462caf21935fb72b2525d8334c2060915ba27ad19502dd448e36d9dca7786
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--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] 049e5df726c8d9f56742cfaafd23653c170dbdea69a2c0142e77441a5e7e7b72
[INFO] running `Command { std: "docker" "start" "-a" "049e5df726c8d9f56742cfaafd23653c170dbdea69a2c0142e77441a5e7e7b72", kill_on_drop: false }`
[INFO] [stderr]    Compiling coaster v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `nn`
[INFO] [stdout]   --> examples/readme.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use nn::*;
[INFO] [stdout]    |     ^^ use of undeclared crate or module `nn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `coaster_nn`
[INFO] [stdout]  --> examples/readme.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use coaster_nn as nn;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ no external crate `coaster_nn`
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coaster` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `trybuild`
[INFO] [stdout]  --> tests/ui.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let t = trybuild::TestCases::new();
[INFO] [stdout]   |             ^^^^^^^^ use of undeclared crate or module `trybuild`
[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 E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coaster` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "049e5df726c8d9f56742cfaafd23653c170dbdea69a2c0142e77441a5e7e7b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "049e5df726c8d9f56742cfaafd23653c170dbdea69a2c0142e77441a5e7e7b72", kill_on_drop: false }`
[INFO] [stdout] 049e5df726c8d9f56742cfaafd23653c170dbdea69a2c0142e77441a5e7e7b72