[INFO] fetching crate anachro-forth-core 0.0.2...
[INFO] checking anachro-forth-core-0.0.2 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate anachro-forth-core 0.0.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate anachro-forth-core 0.0.2 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate anachro-forth-core 0.0.2
[INFO] finished tweaking crates.io crate anachro-forth-core 0.0.2
[INFO] tweaked toml for crates.io crate anachro-forth-core 0.0.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding heapless v0.7.17 (available: v0.8.0)
[INFO] [stderr]       Adding postcard v0.7.3 (available: v1.1.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f684e5d9ff96197b0bc5c11c6777703a42b27a448fe3e622f74d37271235f9d2
[INFO] running `Command { std: "docker" "start" "-a" "f684e5d9ff96197b0bc5c11c6777703a42b27a448fe3e622f74d37271235f9d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f684e5d9ff96197b0bc5c11c6777703a42b27a448fe3e622f74d37271235f9d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f684e5d9ff96197b0bc5c11c6777703a42b27a448fe3e622f74d37271235f9d2", kill_on_drop: false }`
[INFO] [stdout] f684e5d9ff96197b0bc5c11c6777703a42b27a448fe3e622f74d37271235f9d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bd12f18dbbf5847460b22397e7c84295931a0fa92b08ee29ae6eca348e8b379
[INFO] running `Command { std: "docker" "start" "-a" "9bd12f18dbbf5847460b22397e7c84295931a0fa92b08ee29ae6eca348e8b379", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking postcard-cobs v0.1.5-pre
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking postcard v0.7.3
[INFO] [stderr]     Checking anachro-forth-core v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ops::Deref`
[INFO] [stdout]  --> src/compiler.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::BTreeMap, ops::Deref};
[INFO] [stdout]   |                                  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `err` is never read
[INFO] [stdout]   --> src/nostd_rt.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct HVecStack<T, const N: usize> {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 16 |     data: Vec<T, N>,
[INFO] [stdout] 17 |     err: Error,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HVecStack` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `err` is never read
[INFO] [stdout]   --> src/std_rt.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct StdVecStack<T> {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 12 |     data: Vec<T>,
[INFO] [stdout] 13 |     err: Error,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StdVecStack` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `err` is never read
[INFO] [stdout]   --> src/nostd_rt.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct HVecStack<T, const N: usize> {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 16 |     data: Vec<T, N>,
[INFO] [stdout] 17 |     err: Error,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HVecStack` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "9bd12f18dbbf5847460b22397e7c84295931a0fa92b08ee29ae6eca348e8b379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bd12f18dbbf5847460b22397e7c84295931a0fa92b08ee29ae6eca348e8b379", kill_on_drop: false }`
[INFO] [stdout] 9bd12f18dbbf5847460b22397e7c84295931a0fa92b08ee29ae6eca348e8b379
