[INFO] fetching crate garando_syntax 0.1.0...
[INFO] checking garando_syntax-0.1.0 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate garando_syntax 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate garando_syntax 0.1.0 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate garando_syntax 0.1.0
[INFO] finished tweaking crates.io crate garando_syntax 0.1.0
[INFO] tweaked toml for crates.io crate garando_syntax 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70659e80f454e91a0043ef7dce25332d30a63214aa75447d15b54a79c748e337
[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" "70659e80f454e91a0043ef7dce25332d30a63214aa75447d15b54a79c748e337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70659e80f454e91a0043ef7dce25332d30a63214aa75447d15b54a79c748e337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70659e80f454e91a0043ef7dce25332d30a63214aa75447d15b54a79c748e337", kill_on_drop: false }`
[INFO] [stdout] 70659e80f454e91a0043ef7dce25332d30a63214aa75447d15b54a79c748e337
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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] f1e54ba2fa4f50c14b1bdc54cd8b4fd2ce05fbaba7e11d2a475cdeeb6dd08aed
[INFO] running `Command { std: "docker" "start" "-a" "f1e54ba2fa4f50c14b1bdc54cd8b4fd2ce05fbaba7e11d2a475cdeeb6dd08aed", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking garando_pos v0.1.0
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]     Checking garando_errors v0.1.0
[INFO] [stderr]     Checking garando_syntax v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/ext/tt/macro_rules.rs:951:44
[INFO] [stdout]     |
[INFO] [stdout] 951 |             "unexpected quoted::TokenTree::{{Sequence or Delimited}} \
[INFO] [stdout]     |                                            ^^                     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 951 |             "{}", "unexpected quoted::TokenTree::{{Sequence or Delimited}} \
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/ext/tt/macro_rules.rs:951:44
[INFO] [stdout]     |
[INFO] [stdout] 951 |             "unexpected quoted::TokenTree::{{Sequence or Delimited}} \
[INFO] [stdout]     |                                            ^^                     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 951 |             "{}", "unexpected quoted::TokenTree::{{Sequence or Delimited}} \
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.39s
[INFO] running `Command { std: "docker" "inspect" "f1e54ba2fa4f50c14b1bdc54cd8b4fd2ce05fbaba7e11d2a475cdeeb6dd08aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1e54ba2fa4f50c14b1bdc54cd8b4fd2ce05fbaba7e11d2a475cdeeb6dd08aed", kill_on_drop: false }`
[INFO] [stdout] f1e54ba2fa4f50c14b1bdc54cd8b4fd2ce05fbaba7e11d2a475cdeeb6dd08aed