[INFO] cloning repository https://github.com/twissel/bench-locks [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/twissel/bench-locks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwissel%2Fbench-locks", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwissel%2Fbench-locks'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 984b1c6832478652efbbdc3cc3bc9a1f842cfd10 [INFO] testing twissel/bench-locks against master#2fe50cd72c476ebacdedb14893e9632b4de961c2 for pr-116088-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwissel%2Fbench-locks" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/twissel/bench-locks on toolchain 2fe50cd72c476ebacdedb14893e9632b4de961c2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain [INFO] started tweaking git repo https://github.com/twissel/bench-locks [INFO] finished tweaking git repo https://github.com/twissel/bench-locks [INFO] tweaked toml for git repo https://github.com/twissel/bench-locks written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/twissel/bench-locks already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Updating git repository `https://github.com/tokio-rs/tokio` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-core-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded crossbeam-deque v0.7.1 [INFO] [stderr] Downloaded nodrop v0.1.13 [INFO] [stderr] Downloaded parking_lot_core v0.6.2 [INFO] [stderr] Downloaded ppv-lite86 v0.2.5 [INFO] [stderr] Downloaded crossbeam-epoch v0.7.2 [INFO] [stderr] Downloaded futures-join-macro-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded cfg-if v0.1.9 [INFO] [stderr] Downloaded memoffset v0.5.1 [INFO] [stderr] Downloaded smallvec v0.6.10 [INFO] [stderr] Downloaded futures-sink-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded quote v0.6.13 [INFO] [stderr] Downloaded proc-macro-nested v0.1.3 [INFO] [stderr] Downloaded cloudabi v0.0.3 [INFO] [stderr] Downloaded semver-parser v0.7.0 [INFO] [stderr] Downloaded num_cpus v1.10.1 [INFO] [stderr] Downloaded iovec v0.1.2 [INFO] [stderr] Downloaded futures-timer v0.3.0 [INFO] [stderr] Downloaded lock_api v0.3.1 [INFO] [stderr] Downloaded semver v0.9.0 [INFO] [stderr] Downloaded crossbeam-utils v0.6.6 [INFO] [stderr] Downloaded async-std v0.99.4 [INFO] [stderr] Downloaded libc v0.2.62 [INFO] [stderr] Downloaded rand v0.7.0 [INFO] [stderr] Downloaded memchr v2.2.1 [INFO] [stderr] Downloaded async-task v1.0.0 [INFO] [stderr] Downloaded syn v0.15.44 [INFO] [stderr] Downloaded tracing-core v0.1.5 [INFO] [stderr] Downloaded futures-executor-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded futures-select-macro-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded parking_lot v0.9.0 [INFO] [stderr] Downloaded wasi v0.5.0 [INFO] [stderr] Downloaded crossbeam-channel v0.3.9 [INFO] [stderr] Downloaded proc-macro2 v1.0.2 [INFO] [stderr] Downloaded syn v1.0.5 [INFO] [stderr] Downloaded futures-util-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded mio v0.6.19 [INFO] [stderr] Downloaded unicode-xid v0.1.0 [INFO] [stderr] Downloaded async-trait v0.1.11 [INFO] [stderr] Downloaded futures-channel-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded futures-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded proc-macro2 v0.4.30 [INFO] [stderr] Downloaded arrayvec v0.4.11 [INFO] [stderr] Downloaded tracing v0.1.7 [INFO] [stderr] Downloaded scopeguard v1.0.0 [INFO] [stderr] Downloaded tracing-attributes v0.1.2 [INFO] [stderr] Downloaded futures-io-preview v0.3.0-alpha.18 [INFO] [stderr] Downloaded proc-macro-hack v0.5.9 [INFO] [stderr] Downloaded bitflags v1.1.0 [INFO] [stderr] Downloaded byteorder v1.3.2 [INFO] [stderr] Downloaded c2-chacha v0.2.2 [INFO] [stderr] Downloaded quote v1.0.2 [INFO] [stderr] Downloaded rustc_version v0.2.3 [INFO] [stderr] Downloaded crossbeam-queue v0.1.2 [INFO] [stderr] Downloaded rand_chacha v0.2.1 [INFO] [stderr] Downloaded getrandom v0.1.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] de61df8343eeb8e211bb5c6c428baf4c77ebc54e512f5cd7d7b7985e6a49dff2 [INFO] running `Command { std: "docker" "start" "-a" "de61df8343eeb8e211bb5c6c428baf4c77ebc54e512f5cd7d7b7985e6a49dff2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "de61df8343eeb8e211bb5c6c428baf4c77ebc54e512f5cd7d7b7985e6a49dff2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de61df8343eeb8e211bb5c6c428baf4c77ebc54e512f5cd7d7b7985e6a49dff2", kill_on_drop: false }` [INFO] [stdout] de61df8343eeb8e211bb5c6c428baf4c77ebc54e512f5cd7d7b7985e6a49dff2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 93e45fa9f57f74c197c909a0032e78f006c58d8dc2965a0f79cedeec14118792 [INFO] running `Command { std: "docker" "start" "-a" "93e45fa9f57f74c197c909a0032e78f006c58d8dc2965a0f79cedeec14118792", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling proc-macro2 v1.0.2 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling getrandom v0.1.11 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling ppv-lite86 v0.2.5 [INFO] [stderr] Compiling futures-sink-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling c2-chacha v0.2.2 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling futures-channel-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling futures-io-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling rand v0.7.0 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling crossbeam-channel v0.3.9 [INFO] [stderr] Compiling tracing-core v0.1.5 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling tokio-io v0.2.0-alpha.4 (https://github.com/tokio-rs/tokio#9766cd64) [INFO] [stderr] Compiling smallvec v0.6.10 [INFO] [stderr] Compiling lock_api v0.3.1 [INFO] [stderr] Compiling async-task v1.0.0 [INFO] [stderr] Compiling tokio-codec v0.2.0-alpha.4 (https://github.com/tokio-rs/tokio#9766cd64) [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling proc-macro-hack v0.5.9 [INFO] [stderr] Compiling tracing-attributes v0.1.2 [INFO] [stderr] Compiling tokio-macros v0.2.0-alpha.4 (https://github.com/tokio-rs/tokio#9766cd64) [INFO] [stderr] Compiling async-trait v0.1.11 [INFO] [stderr] Compiling futures-select-macro-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling futures-join-macro-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling tracing v0.1.7 [INFO] [stderr] Compiling futures-util-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling tokio-sync v0.2.0-alpha.4 (https://github.com/tokio-rs/tokio#9766cd64) [INFO] [stderr] Compiling futures-executor-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling futures-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling futures-timer v0.3.0 [INFO] [stderr] Compiling async-std v0.99.4 [INFO] [stderr] Compiling tokio-executor v0.2.0-alpha.4 (https://github.com/tokio-rs/tokio#9766cd64) [INFO] [stderr] Compiling tokio-timer v0.3.0-alpha.4 (https://github.com/tokio-rs/tokio#9766cd64) [INFO] [stderr] Compiling tokio-fs v0.2.0-alpha.4 (https://github.com/tokio-rs/tokio#9766cd64) [INFO] [stderr] Compiling tokio-net v0.2.0-alpha.4 (https://github.com/tokio-rs/tokio#9766cd64) [INFO] [stderr] Compiling tokio v0.2.0-alpha.4 (https://github.com/tokio-rs/tokio#9766cd64) [INFO] [stderr] Compiling async-learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 47.84s [INFO] running `Command { std: "docker" "inspect" "93e45fa9f57f74c197c909a0032e78f006c58d8dc2965a0f79cedeec14118792", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93e45fa9f57f74c197c909a0032e78f006c58d8dc2965a0f79cedeec14118792", kill_on_drop: false }` [INFO] [stdout] 93e45fa9f57f74c197c909a0032e78f006c58d8dc2965a0f79cedeec14118792 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 86c39c02f2410752f4402070b2c94c3c62dd5d847de9c5910c3b91d693e59c63 [INFO] running `Command { std: "docker" "start" "-a" "86c39c02f2410752f4402070b2c94c3c62dd5d847de9c5910c3b91d693e59c63", kill_on_drop: false }` [INFO] [stderr] Compiling async-learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.69s [INFO] running `Command { std: "docker" "inspect" "86c39c02f2410752f4402070b2c94c3c62dd5d847de9c5910c3b91d693e59c63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86c39c02f2410752f4402070b2c94c3c62dd5d847de9c5910c3b91d693e59c63", kill_on_drop: false }` [INFO] [stdout] 86c39c02f2410752f4402070b2c94c3c62dd5d847de9c5910c3b91d693e59c63 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 68e2181411c583e9633972444adebd051905e0e6bb4c4f573295cda3b8db1c3c [INFO] running `Command { std: "docker" "start" "-a" "68e2181411c583e9633972444adebd051905e0e6bb4c4f573295cda3b8db1c3c", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/async_learn-46f98ce3ed4bc30a) [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" "68e2181411c583e9633972444adebd051905e0e6bb4c4f573295cda3b8db1c3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68e2181411c583e9633972444adebd051905e0e6bb4c4f573295cda3b8db1c3c", kill_on_drop: false }` [INFO] [stdout] 68e2181411c583e9633972444adebd051905e0e6bb4c4f573295cda3b8db1c3c