[INFO] cloning repository https://github.com/crohn/a-lex-under
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crohn/a-lex-under" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrohn%2Fa-lex-under", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrohn%2Fa-lex-under'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cafee50c8e141e0e3f21caf7f0df23ec5d196009
[INFO] checking crohn/a-lex-under against master#2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48 for pr-142723
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrohn%2Fa-lex-under" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/crohn/a-lex-under on toolchain 2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/crohn/a-lex-under
[INFO] finished tweaking git repo https://github.com/crohn/a-lex-under
[INFO] tweaked toml for git repo https://github.com/crohn/a-lex-under written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/crohn/a-lex-under already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ab62e6eddfb451f61fbca5f700f66285567d2b529689c50049167d703417b37
[INFO] running `Command { std: "docker" "start" "-a" "6ab62e6eddfb451f61fbca5f700f66285567d2b529689c50049167d703417b37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ab62e6eddfb451f61fbca5f700f66285567d2b529689c50049167d703417b37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ab62e6eddfb451f61fbca5f700f66285567d2b529689c50049167d703417b37", kill_on_drop: false }`
[INFO] [stdout] 6ab62e6eddfb451f61fbca5f700f66285567d2b529689c50049167d703417b37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f60a4cd66203354c028527a8f30eebff4222b104fee3f5f927b11bb66e2d918
[INFO] running `Command { std: "docker" "start" "-a" "5f60a4cd66203354c028527a8f30eebff4222b104fee3f5f927b11bb66e2d918", kill_on_drop: false }`
[INFO] [stderr]     Checking a-lex-under v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/tokenization.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Debug, PartialEq)]
[INFO] [stdout]    |                 --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 24 |     Complete(fn(String) -> Token),
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/tokenization.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Debug, PartialEq)]
[INFO] [stdout]    |                 --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 24 |     Complete(fn(String) -> Token),
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "5f60a4cd66203354c028527a8f30eebff4222b104fee3f5f927b11bb66e2d918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f60a4cd66203354c028527a8f30eebff4222b104fee3f5f927b11bb66e2d918", kill_on_drop: false }`
[INFO] [stdout] 5f60a4cd66203354c028527a8f30eebff4222b104fee3f5f927b11bb66e2d918