[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] 3a58cbe7a6492bf42b1e19f27b9ad3698d6d1af6
[INFO] checking artichoke/playground against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartichoke%2Fplayground" "/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/artichoke/playground on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/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-2/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 cstr v0.2.8
[INFO] [stderr]   Downloaded target-lexicon v0.12.0
[INFO] [stderr]   Downloaded intaglio v1.2.1
[INFO] [stderr]   Downloaded focaccia v1.0.2
[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" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1259411bd1752063fc317826dd6ddcc805ee140e891beac40d3646127289c15d
[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" "1259411bd1752063fc317826dd6ddcc805ee140e891beac40d3646127289c15d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1259411bd1752063fc317826dd6ddcc805ee140e891beac40d3646127289c15d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1259411bd1752063fc317826dd6ddcc805ee140e891beac40d3646127289c15d", kill_on_drop: false }`
[INFO] [stdout] 1259411bd1752063fc317826dd6ddcc805ee140e891beac40d3646127289c15d
[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" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9f88430c72ff80686954054d8b189756df60d7309f7f5ec5d0991eec2b6a2cf
[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" "e9f88430c72ff80686954054d8b189756df60d7309f7f5ec5d0991eec2b6a2cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling glob v0.3.0
[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 rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v1.0.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking artichoke-core v0.8.0 (https://github.com/artichoke/artichoke.git?rev=deb2505a359ecfa51832b4d84e085afa385607fc#deb2505a)
[INFO] [stderr]     Checking focaccia v1.0.2
[INFO] [stderr]     Checking scolapasta-hex v0.1.0 (https://github.com/artichoke/artichoke.git?rev=deb2505a359ecfa51832b4d84e085afa385607fc#deb2505a)
[INFO] [stderr]     Checking base64 v0.13.0
[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 nom v5.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]    Compiling cstr v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking scolapasta-string-escape v0.2.0 (https://github.com/artichoke/artichoke.git?rev=deb2505a359ecfa51832b4d84e085afa385607fc#deb2505a)
[INFO] [stderr]     Checking spinoso-math v0.1.0 (https://github.com/artichoke/artichoke.git?rev=deb2505a359ecfa51832b4d84e085afa385607fc#deb2505a)
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking spinoso-symbol v0.1.0 (https://github.com/artichoke/artichoke.git?rev=deb2505a359ecfa51832b4d84e085afa385607fc#deb2505a)
[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-random v0.1.0 (https://github.com/artichoke/artichoke.git?rev=deb2505a359ecfa51832b4d84e085afa385607fc#deb2505a)
[INFO] [stderr]     Checking spinoso-securerandom v0.1.0 (https://github.com/artichoke/artichoke.git?rev=deb2505a359ecfa51832b4d84e085afa385607fc#deb2505a)
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]     Checking spinoso-regexp v0.1.0 (https://github.com/artichoke/artichoke.git?rev=deb2505a359ecfa51832b4d84e085afa385607fc#deb2505a)
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling artichoke v0.1.0-pre.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] [stdout] error: casting pointer to `u32`
[INFO] [stdout]   --> playground/src/ffi.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Box::into_raw(state) as u32
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: to cast to `u32`, cast to `usize` first: `Box::into_raw(state) as usize as u32`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(invalid_ptr_to_int_cast)]` on by default
[INFO] [stdout]    = help: pointers should only be cast to `usize` or `u64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casting pointer to `u32`
[INFO] [stdout]   --> playground/src/ffi.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Box::into_raw(state) as u32
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: to cast to `u32`, cast to `usize` first: `Box::into_raw(state) as usize as u32`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(invalid_ptr_to_int_cast)]` on by default
[INFO] [stdout]    = help: pointers should only be cast to `usize` or `u64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `playground`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e9f88430c72ff80686954054d8b189756df60d7309f7f5ec5d0991eec2b6a2cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9f88430c72ff80686954054d8b189756df60d7309f7f5ec5d0991eec2b6a2cf", kill_on_drop: false }`
[INFO] [stdout] e9f88430c72ff80686954054d8b189756df60d7309f7f5ec5d0991eec2b6a2cf