[INFO] crate tsar 0.2.13 is already in cache
[INFO] checking tsar-0.2.13 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] extracting crate tsar 0.2.13 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tsar 0.2.13 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tsar 0.2.13
[INFO] finished tweaking crates.io crate tsar 0.2.13
[INFO] tweaked toml for crates.io crate tsar 0.2.13 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate tsar 0.2.13 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b88a55af95153496ae2be915227084b46a2bd13151a6cbacdffa6ba25329f03b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "b88a55af95153496ae2be915227084b46a2bd13151a6cbacdffa6ba25329f03b"`
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]     Checking crossterm_utils v0.3.1
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]     Checking crossterm_screen v0.3.1
[INFO] [stderr]     Checking crossterm_cursor v0.3.1
[INFO] [stderr]     Checking crossterm_style v0.5.1
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]     Checking crossterm_input v0.4.1
[INFO] [stderr]     Checking crossterm_terminal v0.3.1
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]     Checking crossterm v0.11.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.50
[INFO] [stderr]    Compiling libssh2-sys v0.2.12
[INFO] [stderr]    Compiling libgit2-sys v0.9.1
[INFO] [stderr]     Checking xassembler v0.5.1
[INFO] [stderr]     Checking xasm v0.5.6
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]     Checking git2 v0.10.1
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling tsar v0.2.13 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]  --> build.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | /     lalrpop::Configuration::new()
[INFO] [stderr] 5 | |         .generate_in_source_tree()
[INFO] [stderr] 6 | |         .process();
[INFO] [stderr]   | |___________________^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 10s
[INFO] running `"docker" "inspect" "b88a55af95153496ae2be915227084b46a2bd13151a6cbacdffa6ba25329f03b"`
[INFO] running `"docker" "rm" "-f" "b88a55af95153496ae2be915227084b46a2bd13151a6cbacdffa6ba25329f03b"`
[INFO] [stdout] b88a55af95153496ae2be915227084b46a2bd13151a6cbacdffa6ba25329f03b