[INFO] updating cached repository https://github.com/lukaslueg/macro_railroad_wasm
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c01b09c547103ad238be4f42eb9ef4c7ce452acb
[INFO] checking lukaslueg/macro_railroad_wasm against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukaslueg%2Fmacro_railroad_wasm" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lukaslueg/macro_railroad_wasm on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lukaslueg/macro_railroad_wasm
[INFO] finished tweaking git repo https://github.com/lukaslueg/macro_railroad_wasm
[INFO] tweaked toml for git repo https://github.com/lukaslueg/macro_railroad_wasm written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/lukaslueg/macro_railroad_wasm already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 72b24875f3151695a0d1a9992a1ffdd189ad62d784cbf91ffa5ff818ceca82a8
[INFO] running `"docker" "start" "-a" "72b24875f3151695a0d1a9992a1ffdd189ad62d784cbf91ffa5ff818ceca82a8"`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.5
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]    Compiling base-x v0.2.5
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling stdweb v0.4.19
[INFO] [stderr]     Checking proc-macro2 v1.0.4
[INFO] [stderr]     Checking railroad v0.1.1
[INFO] [stderr]     Checking quote v1.0.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]     Checking macro_railroad v0.1.2
[INFO] [stderr]    Compiling toml v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling built v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling macro_railroad_wasm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling stdweb-derive v0.5.2
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] running `"docker" "inspect" "72b24875f3151695a0d1a9992a1ffdd189ad62d784cbf91ffa5ff818ceca82a8"`
[INFO] running `"docker" "rm" "-f" "72b24875f3151695a0d1a9992a1ffdd189ad62d784cbf91ffa5ff818ceca82a8"`
[INFO] [stdout] 72b24875f3151695a0d1a9992a1ffdd189ad62d784cbf91ffa5ff818ceca82a8