[INFO] cloning repository https://github.com/mhfowler/learning-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mhfowler/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhfowler%2Flearning-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhfowler%2Flearning-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bbe3484d7ac115e15c31ae87574cce020f096e38 [INFO] testing mhfowler/learning-rust against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhfowler%2Flearning-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mhfowler/learning-rust on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mhfowler/learning-rust [INFO] finished tweaking git repo https://github.com/mhfowler/learning-rust [INFO] tweaked toml for git repo https://github.com/mhfowler/learning-rust written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/mhfowler/learning-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] 7f7606c5963f1195dfce87a1b56e24b55c2188bc4d9df830e4e71923924e7c38 [INFO] running `Command { std: "docker" "start" "-a" "7f7606c5963f1195dfce87a1b56e24b55c2188bc4d9df830e4e71923924e7c38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7f7606c5963f1195dfce87a1b56e24b55c2188bc4d9df830e4e71923924e7c38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f7606c5963f1195dfce87a1b56e24b55c2188bc4d9df830e4e71923924e7c38", kill_on_drop: false }` [INFO] [stdout] 7f7606c5963f1195dfce87a1b56e24b55c2188bc4d9df830e4e71923924e7c38 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 49ce1ced0d03976ff4478488c89b5e8a8faa953b1dbf4f065a386a26d624c9bf [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" "49ce1ced0d03976ff4478488c89b5e8a8faa953b1dbf4f065a386a26d624c9bf", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling regex-syntax v0.6.21 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling smallvec v1.4.2 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling humantime v2.0.1 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling aho-corasick v0.7.14 [INFO] [stderr] Compiling bstr v0.2.14 [INFO] [stderr] Compiling want v0.2.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Compiling smallvec v0.6.13 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling hyper v0.12.35 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling net2 v0.2.35 [INFO] [stderr] Compiling parking_lot_core v0.7.2 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling regex v1.4.2 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling parking_lot v0.10.2 [INFO] [stderr] Compiling tokio-current-thread v0.1.7 [INFO] [stderr] Compiling tokio-timer v0.2.13 [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 globset v0.4.6 [INFO] [stderr] Compiling env_logger v0.8.1 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling tokio-uds v0.2.7 [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 serde_json v1.0.59 [INFO] [stderr] Compiling h2 v0.1.26 [INFO] [stderr] Compiling http-body v0.1.0 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling snafu-derive v0.6.9 [INFO] [stderr] Compiling snafu v0.6.9 [INFO] [stderr] Compiling jsonrpc-core v15.1.0 [INFO] [stderr] Compiling jsonrpc-server-utils v15.1.0 [INFO] [stderr] Compiling jsonrpc-http-server v15.1.0 [INFO] [stderr] Compiling peach-demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 05s [INFO] running `Command { std: "docker" "inspect" "49ce1ced0d03976ff4478488c89b5e8a8faa953b1dbf4f065a386a26d624c9bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49ce1ced0d03976ff4478488c89b5e8a8faa953b1dbf4f065a386a26d624c9bf", kill_on_drop: false }` [INFO] [stdout] 49ce1ced0d03976ff4478488c89b5e8a8faa953b1dbf4f065a386a26d624c9bf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] aa522aad0c5966737265b348860e59e15fc1fc4705c28dd994d300d7f495e1b2 [INFO] running `Command { std: "docker" "start" "-a" "aa522aad0c5966737265b348860e59e15fc1fc4705c28dd994d300d7f495e1b2", kill_on_drop: false }` [INFO] [stderr] Compiling peach-demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.74s [INFO] running `Command { std: "docker" "inspect" "aa522aad0c5966737265b348860e59e15fc1fc4705c28dd994d300d7f495e1b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa522aad0c5966737265b348860e59e15fc1fc4705c28dd994d300d7f495e1b2", kill_on_drop: false }` [INFO] [stdout] aa522aad0c5966737265b348860e59e15fc1fc4705c28dd994d300d7f495e1b2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e153425b4e8d77a8ebc8900109a59e9fee917a9a592a5f3ecae14a2bc7f6e8b7 [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" "e153425b4e8d77a8ebc8900109a59e9fee917a9a592a5f3ecae14a2bc7f6e8b7", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/peach_demo-e806fe2e16d18b1a) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/peach_demo-4f11bb6053d9a2fd) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests peach-demo [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e153425b4e8d77a8ebc8900109a59e9fee917a9a592a5f3ecae14a2bc7f6e8b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e153425b4e8d77a8ebc8900109a59e9fee917a9a592a5f3ecae14a2bc7f6e8b7", kill_on_drop: false }` [INFO] [stdout] e153425b4e8d77a8ebc8900109a59e9fee917a9a592a5f3ecae14a2bc7f6e8b7