[INFO] fetching crate molt 0.3.1...
[INFO] checking molt-0.3.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate molt 0.3.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate molt 0.3.1
[INFO] finished tweaking crates.io crate molt 0.3.1
[INFO] tweaked toml for crates.io crate molt 0.3.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate molt 0.3.1 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]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.11.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6679ce9d2194fe04c65e9f1959c2bb8ab8426471c5ec6013f1166c8d97120533
[INFO] running `Command { std: "docker" "start" "-a" "6679ce9d2194fe04c65e9f1959c2bb8ab8426471c5ec6013f1166c8d97120533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6679ce9d2194fe04c65e9f1959c2bb8ab8426471c5ec6013f1166c8d97120533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6679ce9d2194fe04c65e9f1959c2bb8ab8426471c5ec6013f1166c8d97120533", kill_on_drop: false }`
[INFO] [stdout] 6679ce9d2194fe04c65e9f1959c2bb8ab8426471c5ec6013f1166c8d97120533
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ad45f72c1158bf471c82fbe010b19ccb2dde9139c6aba0f15e468077c099e6cd
[INFO] running `Command { std: "docker" "start" "-a" "ad45f72c1158bf471c82fbe010b19ccb2dde9139c6aba0f15e468077c099e6cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking molt v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `slice` is never used
[INFO] [stdout]    --> src/util.rs:179:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub(crate) trait StringUtils {
[INFO] [stdout]     |                  ----------- method in this trait
[INFO] [stdout] 178 |     fn substring(&self, start: usize, len: usize) -> &str;
[INFO] [stdout] 179 |     fn slice(&self, range: impl RangeBounds<usize>) -> &str;
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `as_any`, `as_any_mut`, and `into_any` are never used
[INFO] [stdout]     --> src/value.rs:1097:8
[INFO] [stdout]      |
[INFO] [stdout] 1096 | trait MoltAny: Any + Display + Debug {
[INFO] [stdout]      |       ------- methods in this trait
[INFO] [stdout] 1097 |     fn as_any(&self) -> &dyn Any;
[INFO] [stdout]      |        ^^^^^^
[INFO] [stdout] 1098 |     fn as_any_mut(&mut self) -> &mut dyn Any;
[INFO] [stdout]      |        ^^^^^^^^^^
[INFO] [stdout] 1099 |     fn into_any(self: Box<Self>) -> Box<dyn Any>;
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `slice` is never used
[INFO] [stdout]    --> src/util.rs:179:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub(crate) trait StringUtils {
[INFO] [stdout]     |                  ----------- method in this trait
[INFO] [stdout] 178 |     fn substring(&self, start: usize, len: usize) -> &str;
[INFO] [stdout] 179 |     fn slice(&self, range: impl RangeBounds<usize>) -> &str;
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `as_any`, `as_any_mut`, and `into_any` are never used
[INFO] [stdout]     --> src/value.rs:1097:8
[INFO] [stdout]      |
[INFO] [stdout] 1096 | trait MoltAny: Any + Display + Debug {
[INFO] [stdout]      |       ------- methods in this trait
[INFO] [stdout] 1097 |     fn as_any(&self) -> &dyn Any;
[INFO] [stdout]      |        ^^^^^^
[INFO] [stdout] 1098 |     fn as_any_mut(&mut self) -> &mut dyn Any;
[INFO] [stdout]      |        ^^^^^^^^^^
[INFO] [stdout] 1099 |     fn into_any(self: Box<Self>) -> Box<dyn Any>;
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `Command { std: "docker" "inspect" "ad45f72c1158bf471c82fbe010b19ccb2dde9139c6aba0f15e468077c099e6cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad45f72c1158bf471c82fbe010b19ccb2dde9139c6aba0f15e468077c099e6cd", kill_on_drop: false }`
[INFO] [stdout] ad45f72c1158bf471c82fbe010b19ccb2dde9139c6aba0f15e468077c099e6cd