[INFO] updating cached repository https://github.com/neurocollective/rust-examples [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] f657426f5ce010caf45ab0187c69dbbc494d59b4 [INFO] testing neurocollective/rust-examples against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneurocollective%2Frust-examples" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/neurocollective/rust-examples on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/neurocollective/rust-examples [INFO] finished tweaking git repo https://github.com/neurocollective/rust-examples [INFO] tweaked toml for git repo https://github.com/neurocollective/rust-examples written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/neurocollective/rust-examples already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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" "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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8ab7e0eb268c77a41d7437b91480bc379d970c88cacefd3fa385a3148a4a748e [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" "8ab7e0eb268c77a41d7437b91480bc379d970c88cacefd3fa385a3148a4a748e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8ab7e0eb268c77a41d7437b91480bc379d970c88cacefd3fa385a3148a4a748e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ab7e0eb268c77a41d7437b91480bc379d970c88cacefd3fa385a3148a4a748e", kill_on_drop: false }` [INFO] [stdout] 8ab7e0eb268c77a41d7437b91480bc379d970c88cacefd3fa385a3148a4a748e [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" "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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a5c8e7b5107d953cb0b93a2e72d32ef0530131c84e093fa264722e35326632a [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" "7a5c8e7b5107d953cb0b93a2e72d32ef0530131c84e093fa264722e35326632a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling openssl v0.10.28 [INFO] [stderr] Compiling urlencoding v1.0.0 [INFO] [stderr] Compiling scoped-tls v0.1.2 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling input_buffer v0.3.1 [INFO] [stderr] Compiling openssl-sys v0.9.54 [INFO] [stderr] Compiling http-body v0.3.1 [INFO] [stderr] Compiling headers-core v0.2.0 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.12.0 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling serde_json v1.0.48 [INFO] [stderr] Compiling serde_urlencoded v0.6.1 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling sha-1 v0.8.2 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling headers v0.3.1 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling http v0.1.21 [INFO] [stderr] Compiling tokio-buf v0.1.1 [INFO] [stderr] Compiling string v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling native-tls v0.2.4 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling mime_guess v1.8.8 [INFO] [stderr] Compiling tokio-uds v0.2.6 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling tungstenite v0.10.1 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling tokio-core v0.1.17 [INFO] [stderr] Compiling multipart v0.16.1 [INFO] [stderr] Compiling h2 v0.1.26 [INFO] [stderr] Compiling http-body v0.1.0 [INFO] [stderr] Compiling hyper v0.12.35 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling pin-project-internal v0.4.8 [INFO] [stderr] Compiling tokio v0.2.13 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling futures-util v0.3.4 [INFO] [stderr] Compiling pin-project v0.4.8 [INFO] [stderr] Compiling tokio-util v0.2.0 [INFO] [stderr] Compiling tokio-tls v0.3.0 [INFO] [stderr] Compiling h2 v0.2.2 [INFO] [stderr] Compiling futures-executor v0.3.4 [INFO] [stderr] Compiling futures v0.3.4 [INFO] [stderr] Compiling tokio-tungstenite v0.10.1 [INFO] [stderr] Compiling hyper v0.13.3 [INFO] [stderr] Compiling hyper-tls v0.4.1 [INFO] [stderr] Compiling warp v0.2.2 [INFO] [stderr] Compiling reqwest v0.10.4 [INFO] [stderr] Compiling learn_you_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 09s [INFO] running `Command { std: "docker" "inspect" "7a5c8e7b5107d953cb0b93a2e72d32ef0530131c84e093fa264722e35326632a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a5c8e7b5107d953cb0b93a2e72d32ef0530131c84e093fa264722e35326632a", kill_on_drop: false }` [INFO] [stdout] 7a5c8e7b5107d953cb0b93a2e72d32ef0530131c84e093fa264722e35326632a [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" "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" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 609542feb25653bededc607f1158d6c84e49dac24367e85d471978cc933784ae [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" "609542feb25653bededc607f1158d6c84e49dac24367e85d471978cc933784ae", kill_on_drop: false }` [INFO] [stderr] Compiling learn_you_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.65s [INFO] running `Command { std: "docker" "inspect" "609542feb25653bededc607f1158d6c84e49dac24367e85d471978cc933784ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "609542feb25653bededc607f1158d6c84e49dac24367e85d471978cc933784ae", kill_on_drop: false }` [INFO] [stdout] 609542feb25653bededc607f1158d6c84e49dac24367e85d471978cc933784ae [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" "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" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 864cc55ea239c27c8ebddd50eee2dc713a7b41c923900cd102eb7dc2d38ab240 [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" "864cc55ea239c27c8ebddd50eee2dc713a7b41c923900cd102eb7dc2d38ab240", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.49s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/learn_you_rust-2b428e6603f38f6c [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "864cc55ea239c27c8ebddd50eee2dc713a7b41c923900cd102eb7dc2d38ab240", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "864cc55ea239c27c8ebddd50eee2dc713a7b41c923900cd102eb7dc2d38ab240", kill_on_drop: false }` [INFO] [stdout] 864cc55ea239c27c8ebddd50eee2dc713a7b41c923900cd102eb7dc2d38ab240