[INFO] cloning repository https://github.com/artichoke/playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/artichoke/playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartichoke%2Fplayground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartichoke%2Fplayground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7b8f24977b625f9b0d5b99eba1f06be1a1b33e7a [INFO] checking artichoke/playground against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartichoke%2Fplayground" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/artichoke/playground on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-14/source/rust-toolchain [INFO] started tweaking git repo https://github.com/artichoke/playground [INFO] finished tweaking git repo https://github.com/artichoke/playground [INFO] tweaked toml for git repo https://github.com/artichoke/playground written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/artichoke/playground already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating git repository `https://github.com/artichoke/artichoke.git` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded intaglio v1.2.1 [INFO] [stderr] Downloaded target-lexicon v0.12.0 [INFO] [stderr] Downloaded focaccia v1.0.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d1f42ad3a5a5d4aa4730e9bf9cc4f9a988085f4b37fb9a82d3b9ce4013db0842 [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" "d1f42ad3a5a5d4aa4730e9bf9cc4f9a988085f4b37fb9a82d3b9ce4013db0842", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d1f42ad3a5a5d4aa4730e9bf9cc4f9a988085f4b37fb9a82d3b9ce4013db0842", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1f42ad3a5a5d4aa4730e9bf9cc4f9a988085f4b37fb9a82d3b9ce4013db0842", kill_on_drop: false }` [INFO] [stdout] d1f42ad3a5a5d4aa4730e9bf9cc4f9a988085f4b37fb9a82d3b9ce4013db0842 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 25076dfc34890436e7921ba57d4ca9482b370bdd09e86927f778bff09ce761fb [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" "25076dfc34890436e7921ba57d4ca9482b370bdd09e86927f778bff09ce761fb", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling target-lexicon v0.12.0 [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling bindgen v0.58.1 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling shlex v1.0.0 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking artichoke-core v0.8.0 (https://github.com/artichoke/artichoke.git?rev=deb2505a359ecfa51832b4d84e085afa385607fc#deb2505a) [INFO] [stderr] Checking scolapasta-hex v0.1.0 (https://github.com/artichoke/artichoke.git?rev=deb2505a359ecfa51832b4d84e085afa385607fc#deb2505a) [INFO] [stderr] Checking focaccia v1.0.2 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking spinoso-array v0.5.1 (https://github.com/artichoke/artichoke.git?rev=deb2505a359ecfa51832b4d84e085afa385607fc#deb2505a) [INFO] [stderr] Checking intaglio v1.2.1 [INFO] [stderr] Compiling clang-sys v1.2.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling libloading v0.7.0 [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Compiling regex v1.4.5 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking spinoso-math v0.1.0 (https://github.com/artichoke/artichoke.git?rev=deb2505a359ecfa51832b4d84e085afa385607fc#deb2505a) [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking scolapasta-string-escape v0.2.0 (https://github.com/artichoke/artichoke.git?rev=deb2505a359ecfa51832b4d84e085afa385607fc#deb2505a) [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking spinoso-exception v0.1.0 (https://github.com/artichoke/artichoke.git?rev=deb2505a359ecfa51832b4d84e085afa385607fc#deb2505a) [INFO] [stderr] Checking spinoso-env v0.1.0 (https://github.com/artichoke/artichoke.git?rev=deb2505a359ecfa51832b4d84e085afa385607fc#deb2505a) [INFO] [stderr] Checking spinoso-symbol v0.1.0 (https://github.com/artichoke/artichoke.git?rev=deb2505a359ecfa51832b4d84e085afa385607fc#deb2505a) [INFO] [stderr] Compiling cstr v0.2.8 [INFO] [stderr] Checking spinoso-securerandom v0.1.0 (https://github.com/artichoke/artichoke.git?rev=deb2505a359ecfa51832b4d84e085afa385607fc#deb2505a) [INFO] [stderr] Checking spinoso-random v0.1.0 (https://github.com/artichoke/artichoke.git?rev=deb2505a359ecfa51832b4d84e085afa385607fc#deb2505a) [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling artichoke v0.1.0-pre.0 (https://github.com/artichoke/artichoke.git?rev=deb2505a359ecfa51832b4d84e085afa385607fc#deb2505a) [INFO] [stderr] Compiling cexpr v0.4.0 [INFO] [stderr] Checking spinoso-regexp v0.1.0 (https://github.com/artichoke/artichoke.git?rev=deb2505a359ecfa51832b4d84e085afa385607fc#deb2505a) [INFO] [stderr] Compiling artichoke-backend v0.1.0 (https://github.com/artichoke/artichoke.git?rev=deb2505a359ecfa51832b4d84e085afa385607fc#deb2505a) [INFO] [stderr] Checking playground v0.4.0 (/opt/rustwide/workdir/playground) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 24s [INFO] running `Command { std: "docker" "inspect" "25076dfc34890436e7921ba57d4ca9482b370bdd09e86927f778bff09ce761fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25076dfc34890436e7921ba57d4ca9482b370bdd09e86927f778bff09ce761fb", kill_on_drop: false }` [INFO] [stdout] 25076dfc34890436e7921ba57d4ca9482b370bdd09e86927f778bff09ce761fb