[INFO] fetching crate ligature-in-memory 0.1.0...
[INFO] checking ligature-in-memory-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate ligature-in-memory 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate ligature-in-memory 0.1.0
[INFO] finished tweaking crates.io crate ligature-in-memory 0.1.0
[INFO] tweaked toml for crates.io crate ligature-in-memory 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ligature-in-memory 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding ligature v0.5.0 (available: v0.8.0)
[INFO] [stderr]       Adding rpds v0.9.0 (available: v1.1.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef83b2476a3aea8381704c8ada17fc7c10e834166983c0c9dcc4dc5d2f7ccd71
[INFO] running `Command { std: "docker" "start" "-a" "ef83b2476a3aea8381704c8ada17fc7c10e834166983c0c9dcc4dc5d2f7ccd71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef83b2476a3aea8381704c8ada17fc7c10e834166983c0c9dcc4dc5d2f7ccd71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef83b2476a3aea8381704c8ada17fc7c10e834166983c0c9dcc4dc5d2f7ccd71", kill_on_drop: false }`
[INFO] [stdout] ef83b2476a3aea8381704c8ada17fc7c10e834166983c0c9dcc4dc5d2f7ccd71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d375f3300fc5a283843a8f8b5bc550f47466d944d5880eb073cd0342bd30d6b9
[INFO] running `Command { std: "docker" "start" "-a" "d375f3300fc5a283843a8f8b5bc550f47466d944d5880eb073cd0342bd30d6b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking archery v0.4.0
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking rpds v0.9.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking ligature v0.5.0
[INFO] [stderr]     Checking ligature-in-memory v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `LigatureInMemory` is never constructed
[INFO] [stdout]   --> src/lib.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct LigatureInMemory {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lib.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl LigatureInMemory {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 15 |     pub fn new() -> LigatureInMemory {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LigatureInMemory` is never constructed
[INFO] [stdout]   --> src/lib.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct LigatureInMemory {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lib.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl LigatureInMemory {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 15 |     pub fn new() -> LigatureInMemory {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.31s
[INFO] running `Command { std: "docker" "inspect" "d375f3300fc5a283843a8f8b5bc550f47466d944d5880eb073cd0342bd30d6b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d375f3300fc5a283843a8f8b5bc550f47466d944d5880eb073cd0342bd30d6b9", kill_on_drop: false }`
[INFO] [stdout] d375f3300fc5a283843a8f8b5bc550f47466d944d5880eb073cd0342bd30d6b9