[INFO] fetching crate ligature-test-suite 0.1.0...
[INFO] checking ligature-test-suite-0.1.0 against try#c34df645207dd0b6887b2312cf109109ba3a0ffb for pr-102513
[INFO] extracting crate ligature-test-suite 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ligature-test-suite 0.1.0 on toolchain c34df645207dd0b6887b2312cf109109ba3a0ffb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c34df645207dd0b6887b2312cf109109ba3a0ffb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ligature-test-suite 0.1.0
[INFO] finished tweaking crates.io crate ligature-test-suite 0.1.0
[INFO] tweaked toml for crates.io crate ligature-test-suite 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c34df645207dd0b6887b2312cf109109ba3a0ffb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c34df645207dd0b6887b2312cf109109ba3a0ffb" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+c34df645207dd0b6887b2312cf109109ba3a0ffb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0d4601733d9fd704a780c493713b62c1d46d00d8b5cd0f301d2478f1e771a52
[INFO] running `Command { std: "docker" "start" "-a" "c0d4601733d9fd704a780c493713b62c1d46d00d8b5cd0f301d2478f1e771a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0d4601733d9fd704a780c493713b62c1d46d00d8b5cd0f301d2478f1e771a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0d4601733d9fd704a780c493713b62c1d46d00d8b5cd0f301d2478f1e771a52", kill_on_drop: false }`
[INFO] [stdout] c0d4601733d9fd704a780c493713b62c1d46d00d8b5cd0f301d2478f1e771a52
[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" "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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+c34df645207dd0b6887b2312cf109109ba3a0ffb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfaa264e3854c133d08fadf11aace7581ab18b9880311008488f65bc3874e625
[INFO] running `Command { std: "docker" "start" "-a" "dfaa264e3854c133d08fadf11aace7581ab18b9880311008488f65bc3874e625", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking ligature v0.5.0
[INFO] [stderr]     Checking ligature-test-suite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `LigatureTestSuite` is never constructed
[INFO] [stdout]  --> src/lib.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct LigatureTestSuite {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LigatureTestSuite` is never constructed
[INFO] [stdout]  --> src/lib.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct LigatureTestSuite {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.45s
[INFO] running `Command { std: "docker" "inspect" "dfaa264e3854c133d08fadf11aace7581ab18b9880311008488f65bc3874e625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfaa264e3854c133d08fadf11aace7581ab18b9880311008488f65bc3874e625", kill_on_drop: false }`
[INFO] [stdout] dfaa264e3854c133d08fadf11aace7581ab18b9880311008488f65bc3874e625