[INFO] fetching crate ligature-in-memory 0.1.0...
[INFO] checking ligature-in-memory-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate ligature-in-memory 0.1.0 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ligature-in-memory 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded archery v0.4.0
[INFO] [stderr]   Downloaded ligature v0.5.0
[INFO] [stderr]   Downloaded rpds v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48cebc4dd94d9eb3aec40d03bc933386413c6a75023fd58a9a5be2886f63d44a
[INFO] running `Command { std: "docker" "start" "-a" "48cebc4dd94d9eb3aec40d03bc933386413c6a75023fd58a9a5be2886f63d44a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48cebc4dd94d9eb3aec40d03bc933386413c6a75023fd58a9a5be2886f63d44a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48cebc4dd94d9eb3aec40d03bc933386413c6a75023fd58a9a5be2886f63d44a", kill_on_drop: false }`
[INFO] [stdout] 48cebc4dd94d9eb3aec40d03bc933386413c6a75023fd58a9a5be2886f63d44a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ba613891bcce8e73a7055f5ea54e222f05a4ead0097687d0b8e543711950b7b
[INFO] running `Command { std: "docker" "start" "-a" "0ba613891bcce8e73a7055f5ea54e222f05a4ead0097687d0b8e543711950b7b", kill_on_drop: false }`
[INFO] [stderr]     Checking archery v0.4.0
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking rpds v0.9.0
[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 3.32s
[INFO] running `Command { std: "docker" "inspect" "0ba613891bcce8e73a7055f5ea54e222f05a4ead0097687d0b8e543711950b7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ba613891bcce8e73a7055f5ea54e222f05a4ead0097687d0b8e543711950b7b", kill_on_drop: false }`
[INFO] [stdout] 0ba613891bcce8e73a7055f5ea54e222f05a4ead0097687d0b8e543711950b7b