[INFO] cloning repository https://github.com/xpepermint/readwrapper-example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xpepermint/readwrapper-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxpepermint%2Freadwrapper-example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxpepermint%2Freadwrapper-example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b19d926f88b69b3ca4738f861b82083da11f1874 [INFO] checking xpepermint/readwrapper-example against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxpepermint%2Freadwrapper-example" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/xpepermint/readwrapper-example on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/xpepermint/readwrapper-example [INFO] finished tweaking git repo https://github.com/xpepermint/readwrapper-example [INFO] tweaked toml for git repo https://github.com/xpepermint/readwrapper-example written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/xpepermint/readwrapper-example already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 584667b3ae59e1d9b82f14db1d1869047ede1b08daf8643571ca0bcdd8f271ae [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" "584667b3ae59e1d9b82f14db1d1869047ede1b08daf8643571ca0bcdd8f271ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "584667b3ae59e1d9b82f14db1d1869047ede1b08daf8643571ca0bcdd8f271ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "584667b3ae59e1d9b82f14db1d1869047ede1b08daf8643571ca0bcdd8f271ae", kill_on_drop: false }` [INFO] [stdout] 584667b3ae59e1d9b82f14db1d1869047ede1b08daf8643571ca0bcdd8f271ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--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] 1fea6677bf9d5ffe2d81392533298c042bb61e3ffb7756214dc4d3bb5b223c10 [INFO] running `Command { std: "docker" "start" "-a" "1fea6677bf9d5ffe2d81392533298c042bb61e3ffb7756214dc4d3bb5b223c10", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.13 [INFO] [stderr] Compiling syn v1.0.22 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking futures-io v0.3.5 [INFO] [stderr] Checking pin-project-lite v0.1.5 [INFO] [stderr] Checking crossbeam-utils v0.7.2 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking parking_lot_core v0.7.2 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking async-task v1.3.1 [INFO] [stderr] Checking kv-log-macro v1.0.5 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking crossbeam-epoch v0.8.2 [INFO] [stderr] Checking crossbeam-channel v0.4.2 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Compiling quote v1.0.5 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Compiling pin-project-internal v0.4.16 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling async-attributes v1.1.1 [INFO] [stderr] Checking pin-project v0.4.16 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking broadcaster v1.0.0 [INFO] [stderr] Checking async-std v1.5.0 [INFO] [stderr] Checking readwrapper-example v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 32.63s [INFO] running `Command { std: "docker" "inspect" "1fea6677bf9d5ffe2d81392533298c042bb61e3ffb7756214dc4d3bb5b223c10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fea6677bf9d5ffe2d81392533298c042bb61e3ffb7756214dc4d3bb5b223c10", kill_on_drop: false }` [INFO] [stdout] 1fea6677bf9d5ffe2d81392533298c042bb61e3ffb7756214dc4d3bb5b223c10