[INFO] fetching crate libpatron 0.1.0...
[INFO] checking libpatron-0.1.0 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate libpatron 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate libpatron 0.1.0 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libpatron 0.1.0
[INFO] finished tweaking crates.io crate libpatron 0.1.0
[INFO] tweaked toml for crates.io crate libpatron 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded string-interner v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91e4c1504af5a34bf4c31c183af3dfa96a3db284858ed4a28f3d2ead00963a9a
[INFO] running `Command { std: "docker" "start" "-a" "91e4c1504af5a34bf4c31c183af3dfa96a3db284858ed4a28f3d2ead00963a9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91e4c1504af5a34bf4c31c183af3dfa96a3db284858ed4a28f3d2ead00963a9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91e4c1504af5a34bf4c31c183af3dfa96a3db284858ed4a28f3d2ead00963a9a", kill_on_drop: false }`
[INFO] [stdout] 91e4c1504af5a34bf4c31c183af3dfa96a3db284858ed4a28f3d2ead00963a9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3af1cb05445111016b2c5b90e5c46646677c178d1c19af5cafeb7ba97a8e53b
[INFO] running `Command { std: "docker" "start" "-a" "d3af1cb05445111016b2c5b90e5c46646677c178d1c19af5cafeb7ba97a8e53b", kill_on_drop: false }`
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking ahash v0.7.8
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking string-interner v0.14.0
[INFO] [stderr]     Checking libpatron v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/ir/serialize.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/ir/serialize.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/ir/serialize.rs:279:25
[INFO] [stdout]     |
[INFO] [stdout] 279 |     fn serialize(&self, ctx: &Context, writer: &mut impl Write) -> std::io::Result<()> {
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]    --> src/ir/serialize.rs:279:40
[INFO] [stdout]     |
[INFO] [stdout] 279 |     fn serialize(&self, ctx: &Context, writer: &mut impl Write) -> std::io::Result<()> {
[INFO] [stdout]     |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/ir/serialize.rs:279:25
[INFO] [stdout]     |
[INFO] [stdout] 279 |     fn serialize(&self, ctx: &Context, writer: &mut impl Write) -> std::io::Result<()> {
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]    --> src/ir/serialize.rs:279:40
[INFO] [stdout]     |
[INFO] [stdout] 279 |     fn serialize(&self, ctx: &Context, writer: &mut impl Write) -> std::io::Result<()> {
[INFO] [stdout]     |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ctx` is never read
[INFO] [stdout]   --> src/btor2/serialize.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Serializer<'a, W: std::io::Write> {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 24 |     ctx: &'a Context,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ctx` is never read
[INFO] [stdout]   --> src/btor2/serialize.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Serializer<'a, W: std::io::Write> {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 24 |     ctx: &'a Context,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `patron`
[INFO] [stdout]  --> tests/btor2_test.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use patron::ir::Context;
[INFO] [stdout]   |     ^^^^^^ use of undeclared crate or module `patron`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `patron`
[INFO] [stdout]  --> tests/btor2_test.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use patron::ir::SerializableIrNode;
[INFO] [stdout]   |     ^^^^^^ use of undeclared crate or module `patron`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `patron`
[INFO] [stdout]  --> tests/btor2_test.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use patron::btor2;
[INFO] [stdout]   |     ^^^^^^ use of undeclared crate or module `patron`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libpatron` (test "btor2_test") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "d3af1cb05445111016b2c5b90e5c46646677c178d1c19af5cafeb7ba97a8e53b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3af1cb05445111016b2c5b90e5c46646677c178d1c19af5cafeb7ba97a8e53b", kill_on_drop: false }`
[INFO] [stdout] d3af1cb05445111016b2c5b90e5c46646677c178d1c19af5cafeb7ba97a8e53b
[INFO] checking libpatron-0.1.0 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate libpatron 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate libpatron 0.1.0 on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libpatron 0.1.0
[INFO] finished tweaking crates.io crate libpatron 0.1.0
[INFO] tweaked toml for crates.io crate libpatron 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7d2b155dd962d48ce1f61623e36405c1f0bda45d05f6f0517e134f9ddcf5c48
[INFO] running `Command { std: "docker" "start" "-a" "d7d2b155dd962d48ce1f61623e36405c1f0bda45d05f6f0517e134f9ddcf5c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7d2b155dd962d48ce1f61623e36405c1f0bda45d05f6f0517e134f9ddcf5c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7d2b155dd962d48ce1f61623e36405c1f0bda45d05f6f0517e134f9ddcf5c48", kill_on_drop: false }`
[INFO] [stdout] d7d2b155dd962d48ce1f61623e36405c1f0bda45d05f6f0517e134f9ddcf5c48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] baf7d5cfd402c4e343bd29df796fe3a443db02ec408d8397a0d6075d6107d682
[INFO] running `Command { std: "docker" "start" "-a" "baf7d5cfd402c4e343bd29df796fe3a443db02ec408d8397a0d6075d6107d682", kill_on_drop: false }`
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking ahash v0.7.8
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking string-interner v0.14.0
[INFO] [stderr]     Checking libpatron v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/btor2/parse.rs:544:23
[INFO] [stdout]     |
[INFO] [stdout] 544 |                 &line[start..end],
[INFO] [stdout]     |                       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/btor2/parse.rs:604:35
[INFO] [stdout]     |
[INFO] [stdout] 604 |             out.tokens.push(&line[*token_start..ii]);
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/btor2/parse.rs:616:42
[INFO] [stdout]     |
[INFO] [stdout] 616 |                 out.comment = Some(&line[ii + 1..line_len]);
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/btor2/parse.rs:652:13
[INFO] [stdout]     |
[INFO] [stdout] 652 |             error.start..error.end,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/ir/serialize.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/btor2/parse.rs:544:23
[INFO] [stdout]     |
[INFO] [stdout] 544 |                 &line[start..end],
[INFO] [stdout]     |                       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/btor2/parse.rs:604:35
[INFO] [stdout]     |
[INFO] [stdout] 604 |             out.tokens.push(&line[*token_start..ii]);
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/btor2/parse.rs:616:42
[INFO] [stdout]     |
[INFO] [stdout] 616 |                 out.comment = Some(&line[ii + 1..line_len]);
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/btor2/parse.rs:652:13
[INFO] [stdout]     |
[INFO] [stdout] 652 |             error.start..error.end,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Display`
[INFO] [stdout]  --> src/ir/serialize.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fmt::Display;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/ir/serialize.rs:279:25
[INFO] [stdout]     |
[INFO] [stdout] 279 |     fn serialize(&self, ctx: &Context, writer: &mut impl Write) -> std::io::Result<()> {
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]    --> src/ir/serialize.rs:279:40
[INFO] [stdout]     |
[INFO] [stdout] 279 |     fn serialize(&self, ctx: &Context, writer: &mut impl Write) -> std::io::Result<()> {
[INFO] [stdout]     |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/ir/serialize.rs:279:25
[INFO] [stdout]     |
[INFO] [stdout] 279 |     fn serialize(&self, ctx: &Context, writer: &mut impl Write) -> std::io::Result<()> {
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]    --> src/ir/serialize.rs:279:40
[INFO] [stdout]     |
[INFO] [stdout] 279 |     fn serialize(&self, ctx: &Context, writer: &mut impl Write) -> std::io::Result<()> {
[INFO] [stdout]     |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ctx` is never read
[INFO] [stdout]   --> src/btor2/serialize.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Serializer<'a, W: std::io::Write> {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 24 |     ctx: &'a Context,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ctx` is never read
[INFO] [stdout]   --> src/btor2/serialize.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Serializer<'a, W: std::io::Write> {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 24 |     ctx: &'a Context,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `patron`
[INFO] [stdout]  --> tests/btor2_test.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use patron::ir::Context;
[INFO] [stdout]   |     ^^^^^^ use of undeclared crate or module `patron`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `patron`
[INFO] [stdout]  --> tests/btor2_test.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use patron::ir::SerializableIrNode;
[INFO] [stdout]   |     ^^^^^^ use of undeclared crate or module `patron`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `patron`
[INFO] [stdout]  --> tests/btor2_test.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use patron::btor2;
[INFO] [stdout]   |     ^^^^^^ use of undeclared crate or module `patron`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libpatron` (test "btor2_test") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "baf7d5cfd402c4e343bd29df796fe3a443db02ec408d8397a0d6075d6107d682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baf7d5cfd402c4e343bd29df796fe3a443db02ec408d8397a0d6075d6107d682", kill_on_drop: false }`
[INFO] [stdout] baf7d5cfd402c4e343bd29df796fe3a443db02ec408d8397a0d6075d6107d682
