[INFO] fetching crate molt-ng 0.3.2...
[INFO] checking molt-ng-0.3.2 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate molt-ng 0.3.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate molt-ng 0.3.2 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate molt-ng 0.3.2
[INFO] finished tweaking crates.io crate molt-ng 0.3.2
[INFO] tweaked toml for crates.io crate molt-ng 0.3.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "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 hashbrown v0.12.3 (available: v0.14.5)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d59fa57bfb8ae2eebddc98837a570a487ed39df9ba034b37118df79e416d8f8
[INFO] running `Command { std: "docker" "start" "-a" "9d59fa57bfb8ae2eebddc98837a570a487ed39df9ba034b37118df79e416d8f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d59fa57bfb8ae2eebddc98837a570a487ed39df9ba034b37118df79e416d8f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d59fa57bfb8ae2eebddc98837a570a487ed39df9ba034b37118df79e416d8f8", kill_on_drop: false }`
[INFO] [stdout] 9d59fa57bfb8ae2eebddc98837a570a487ed39df9ba034b37118df79e416d8f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e34628b10e29049c70e6e239bb3c1053fae08fc66ceb9c3ad4a58607583b2bd
[INFO] running `Command { std: "docker" "start" "-a" "7e34628b10e29049c70e6e239bb3c1053fae08fc66ceb9c3ad4a58607583b2bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking molt-ng v0.3.2 (/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:1115:8
[INFO] [stdout]      |
[INFO] [stdout] 1114 | trait MoltAny: Any + Display + Debug {
[INFO] [stdout]      |       ------- methods in this trait
[INFO] [stdout] 1115 |     fn as_any(&self) -> &dyn Any;
[INFO] [stdout]      |        ^^^^^^
[INFO] [stdout] 1116 |     fn as_any_mut(&mut self) -> &mut dyn Any;
[INFO] [stdout]      |        ^^^^^^^^^^
[INFO] [stdout] 1117 |     fn into_any(self: Box<Self>) -> Box<dyn Any>;
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `molt`
[INFO] [stdout]  --> tests/tcl_tests.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate molt;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `molt-ng` (test "tcl_tests") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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:1115:8
[INFO] [stdout]      |
[INFO] [stdout] 1114 | trait MoltAny: Any + Display + Debug {
[INFO] [stdout]      |       ------- methods in this trait
[INFO] [stdout] 1115 |     fn as_any(&self) -> &dyn Any;
[INFO] [stdout]      |        ^^^^^^
[INFO] [stdout] 1116 |     fn as_any_mut(&mut self) -> &mut dyn Any;
[INFO] [stdout]      |        ^^^^^^^^^^
[INFO] [stdout] 1117 |     fn into_any(self: Box<Self>) -> Box<dyn Any>;
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7e34628b10e29049c70e6e239bb3c1053fae08fc66ceb9c3ad4a58607583b2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e34628b10e29049c70e6e239bb3c1053fae08fc66ceb9c3ad4a58607583b2bd", kill_on_drop: false }`
[INFO] [stdout] 7e34628b10e29049c70e6e239bb3c1053fae08fc66ceb9c3ad4a58607583b2bd