[INFO] fetching crate anachro-forth-core 0.0.2...
[INFO] checking anachro-forth-core-0.0.2 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate anachro-forth-core 0.0.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate anachro-forth-core 0.0.2 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hash32 v0.2.1
[INFO] [stderr]   Downloaded heapless v0.7.17
[INFO] [stderr]   Downloaded postcard-cobs v0.1.5-pre
[INFO] [stderr]   Downloaded postcard v0.7.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93039d91b3e79bf33dacb969b7659b1bb23e42ce7db5ac9243b076bfc7b20f72
[INFO] running `Command { std: "docker" "start" "-a" "93039d91b3e79bf33dacb969b7659b1bb23e42ce7db5ac9243b076bfc7b20f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93039d91b3e79bf33dacb969b7659b1bb23e42ce7db5ac9243b076bfc7b20f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93039d91b3e79bf33dacb969b7659b1bb23e42ce7db5ac9243b076bfc7b20f72", kill_on_drop: false }`
[INFO] [stdout] 93039d91b3e79bf33dacb969b7659b1bb23e42ce7db5ac9243b076bfc7b20f72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 319a1de94eb380911f1d1bfb947ba665573f886fd8bce9b1097f414b4986858a
[INFO] running `Command { std: "docker" "start" "-a" "319a1de94eb380911f1d1bfb947ba665573f886fd8bce9b1097f414b4986858a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[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 hash32 v0.2.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking postcard v0.7.3
[INFO] [stderr]     Checking anachro-forth-core v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]  --> src/builtins.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::*;
[INFO] [stdout]   |     -------- the item `Write` is already imported here
[INFO] [stdout] 2 | use core::fmt::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]  --> src/builtins.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::*;
[INFO] [stdout]   |     -------- the item `Write` is already imported here
[INFO] [stdout] 2 | use core::fmt::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/std_rt.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[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] 
[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: 2 warnings emitted
[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] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.05s
[INFO] running `Command { std: "docker" "inspect" "319a1de94eb380911f1d1bfb947ba665573f886fd8bce9b1097f414b4986858a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "319a1de94eb380911f1d1bfb947ba665573f886fd8bce9b1097f414b4986858a", kill_on_drop: false }`
[INFO] [stdout] 319a1de94eb380911f1d1bfb947ba665573f886fd8bce9b1097f414b4986858a
[INFO] checking anachro-forth-core-0.0.2 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate anachro-forth-core 0.0.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate anachro-forth-core 0.0.2 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "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-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90275863b6f79bf43abc44e220322d95fabd2ea145726bb9072c692d53ec7d2f
[INFO] running `Command { std: "docker" "start" "-a" "90275863b6f79bf43abc44e220322d95fabd2ea145726bb9072c692d53ec7d2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90275863b6f79bf43abc44e220322d95fabd2ea145726bb9072c692d53ec7d2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90275863b6f79bf43abc44e220322d95fabd2ea145726bb9072c692d53ec7d2f", kill_on_drop: false }`
[INFO] [stdout] 90275863b6f79bf43abc44e220322d95fabd2ea145726bb9072c692d53ec7d2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f2878377815141d99d257bc3d143a337186326bd381480a9d2d2b8a7fd7ec18
[INFO] running `Command { std: "docker" "start" "-a" "8f2878377815141d99d257bc3d143a337186326bd381480a9d2d2b8a7fd7ec18", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[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 hash32 v0.2.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking postcard v0.7.3
[INFO] [stderr]     Checking anachro-forth-core v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]  --> src/builtins.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::*;
[INFO] [stdout]   |     -------- the item `Write` is already imported here
[INFO] [stdout] 2 | use core::fmt::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]  --> src/builtins.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::*;
[INFO] [stdout]   |     -------- the item `Write` is already imported here
[INFO] [stdout] 2 | use core::fmt::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/std_rt.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[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] 
[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: 2 warnings emitted
[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] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.42s
[INFO] running `Command { std: "docker" "inspect" "8f2878377815141d99d257bc3d143a337186326bd381480a9d2d2b8a7fd7ec18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f2878377815141d99d257bc3d143a337186326bd381480a9d2d2b8a7fd7ec18", kill_on_drop: false }`
[INFO] [stdout] 8f2878377815141d99d257bc3d143a337186326bd381480a9d2d2b8a7fd7ec18
