[INFO] fetching crate seax_util 0.1.2...
[INFO] testing seax_util-0.1.2 against try#ecd7b559f89c73ac8f1d318f7501006f37b944b2 for pr-112849
[INFO] extracting crate seax_util 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate seax_util 0.1.2 on toolchain ecd7b559f89c73ac8f1d318f7501006f37b944b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate seax_util 0.1.2
[INFO] finished tweaking crates.io crate seax_util 0.1.2
[INFO] tweaked toml for crates.io crate seax_util 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "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" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0e1b031dcdfa4dc3d2116e899ee5be6dd8974163d0e5a2e0778a99ecd92506b
[INFO] running `Command { std: "docker" "start" "-a" "c0e1b031dcdfa4dc3d2116e899ee5be6dd8974163d0e5a2e0778a99ecd92506b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0e1b031dcdfa4dc3d2116e899ee5be6dd8974163d0e5a2e0778a99ecd92506b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e1b031dcdfa4dc3d2116e899ee5be6dd8974163d0e5a2e0778a99ecd92506b", kill_on_drop: false }`
[INFO] [stdout] c0e1b031dcdfa4dc3d2116e899ee5be6dd8974163d0e5a2e0778a99ecd92506b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9885149330c8ed6123cd15cd58f1f46e500f260f5f13e33f95a50de9eaa0c5ad
[INFO] running `Command { std: "docker" "start" "-a" "9885149330c8ed6123cd15cd58f1f46e500f260f5f13e33f95a50de9eaa0c5ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling seax_util v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bytecode/mod.rs:355:17
[INFO] [stdout]     |
[INFO] [stdout] 355 |                 try!(self.source.read(&mut buf) // try to get next byte
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/compiler_tools/ast.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl fmt::Debug for ASTNode {
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl fmt::Debug for dyn ASTNode {
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:236:45
[INFO] [stdout]     |
[INFO] [stdout] 236 |             .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:260:45
[INFO] [stdout]     |
[INFO] [stdout] 260 |             .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:309:53
[INFO] [stdout]     |
[INFO] [stdout] 309 |                     .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:316:53
[INFO] [stdout]     |
[INFO] [stdout] 316 |                     .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:322:55
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     .map_err( |why | String::from(why.description()))
[INFO] [stdout]     |                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:334:53
[INFO] [stdout]     |
[INFO] [stdout] 334 |                     .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:356:58
[INFO] [stdout]     |
[INFO] [stdout] 356 |                          .map_err(|why| String::from(why.description())));
[INFO] [stdout]     |                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:400:46
[INFO] [stdout]     |
[INFO] [stdout] 400 |             Err(why) => Err(String::from(why.description()))
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ByteOrder`
[INFO] [stdout]    --> src/bytecode/mod.rs:127:23
[INFO] [stdout]     |
[INFO] [stdout] 127 | use self::byteorder::{ByteOrder, BigEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "9885149330c8ed6123cd15cd58f1f46e500f260f5f13e33f95a50de9eaa0c5ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9885149330c8ed6123cd15cd58f1f46e500f260f5f13e33f95a50de9eaa0c5ad", kill_on_drop: false }`
[INFO] [stdout] 9885149330c8ed6123cd15cd58f1f46e500f260f5f13e33f95a50de9eaa0c5ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 189ed9d73b806570fba5a070da358019c3b3580a0e0d61affb627c7ab71a616d
[INFO] running `Command { std: "docker" "start" "-a" "189ed9d73b806570fba5a070da358019c3b3580a0e0d61affb627c7ab71a616d", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bytecode/mod.rs:355:17
[INFO] [stdout]     |
[INFO] [stdout] 355 |                 try!(self.source.read(&mut buf) // try to get next byte
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/compiler_tools/ast.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl fmt::Debug for ASTNode {
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl fmt::Debug for dyn ASTNode {
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:236:45
[INFO] [stdout]     |
[INFO] [stdout] 236 |             .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:260:45
[INFO] [stdout]     |
[INFO] [stdout] 260 |             .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:309:53
[INFO] [stdout]     |
[INFO] [stdout] 309 |                     .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:316:53
[INFO] [stdout]     |
[INFO] [stdout] 316 |                     .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:322:55
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     .map_err( |why | String::from(why.description()))
[INFO] [stdout]     |                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:334:53
[INFO] [stdout]     |
[INFO] [stdout] 334 |                     .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:356:58
[INFO] [stdout]     |
[INFO] [stdout] 356 |                          .map_err(|why| String::from(why.description())));
[INFO] [stdout]     |                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:400:46
[INFO] [stdout]     |
[INFO] [stdout] 400 |             Err(why) => Err(String::from(why.description()))
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ByteOrder`
[INFO] [stdout]    --> src/bytecode/mod.rs:127:23
[INFO] [stdout]     |
[INFO] [stdout] 127 | use self::byteorder::{ByteOrder, BigEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.8.4
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling seax_util v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bytecode/mod.rs:355:17
[INFO] [stdout]     |
[INFO] [stdout] 355 |                 try!(self.source.read(&mut buf) // try to get next byte
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/compiler_tools/ast.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl fmt::Debug for ASTNode {
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl fmt::Debug for dyn ASTNode {
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:236:45
[INFO] [stdout]     |
[INFO] [stdout] 236 |             .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:260:45
[INFO] [stdout]     |
[INFO] [stdout] 260 |             .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:309:53
[INFO] [stdout]     |
[INFO] [stdout] 309 |                     .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:316:53
[INFO] [stdout]     |
[INFO] [stdout] 316 |                     .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:322:55
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     .map_err( |why | String::from(why.description()))
[INFO] [stdout]     |                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:334:53
[INFO] [stdout]     |
[INFO] [stdout] 334 |                     .map_err(|why| String::from(why.description()))
[INFO] [stdout]     |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:356:58
[INFO] [stdout]     |
[INFO] [stdout] 356 |                          .map_err(|why| String::from(why.description())));
[INFO] [stdout]     |                                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bytecode/mod.rs:400:46
[INFO] [stdout]     |
[INFO] [stdout] 400 |             Err(why) => Err(String::from(why.description()))
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ByteOrder`
[INFO] [stdout]    --> src/bytecode/mod.rs:127:23
[INFO] [stdout]     |
[INFO] [stdout] 127 | use self::byteorder::{ByteOrder, BigEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.25s
[INFO] running `Command { std: "docker" "inspect" "189ed9d73b806570fba5a070da358019c3b3580a0e0d61affb627c7ab71a616d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "189ed9d73b806570fba5a070da358019c3b3580a0e0d61affb627c7ab71a616d", kill_on_drop: false }`
[INFO] [stdout] 189ed9d73b806570fba5a070da358019c3b3580a0e0d61affb627c7ab71a616d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 846dc292976410e5fae18a3d6b6b99622c8683dd14673c2c914ede9cde4834b7
[INFO] running `Command { std: "docker" "start" "-a" "846dc292976410e5fae18a3d6b6b99622c8683dd14673c2c914ede9cde4834b7", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/bytecode/mod.rs:355:17
[INFO] [stderr]     |
[INFO] [stderr] 355 |                 try!(self.source.read(&mut buf) // try to get next byte
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/compiler_tools/ast.rs:41:21
[INFO] [stderr]    |
[INFO] [stderr] 41 | impl fmt::Debug for ASTNode {
[INFO] [stderr]    |                     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 41 | impl fmt::Debug for dyn ASTNode {
[INFO] [stderr]    |                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/bytecode/mod.rs:236:45
[INFO] [stderr]     |
[INFO] [stderr] 236 |             .map_err(|why| String::from(why.description()))
[INFO] [stderr]     |                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/bytecode/mod.rs:260:45
[INFO] [stderr]     |
[INFO] [stderr] 260 |             .map_err(|why| String::from(why.description()))
[INFO] [stderr]     |                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/bytecode/mod.rs:309:53
[INFO] [stderr]     |
[INFO] [stderr] 309 |                     .map_err(|why| String::from(why.description()))
[INFO] [stderr]     |                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/bytecode/mod.rs:316:53
[INFO] [stderr]     |
[INFO] [stderr] 316 |                     .map_err(|why| String::from(why.description()))
[INFO] [stderr]     |                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/bytecode/mod.rs:322:55
[INFO] [stderr]     |
[INFO] [stderr] 322 |                     .map_err( |why | String::from(why.description()))
[INFO] [stderr]     |                                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/bytecode/mod.rs:334:53
[INFO] [stderr]     |
[INFO] [stderr] 334 |                     .map_err(|why| String::from(why.description()))
[INFO] [stderr]     |                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/bytecode/mod.rs:356:58
[INFO] [stderr]     |
[INFO] [stderr] 356 |                          .map_err(|why| String::from(why.description())));
[INFO] [stderr]     |                                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/bytecode/mod.rs:400:46
[INFO] [stderr]     |
[INFO] [stderr] 400 |             Err(why) => Err(String::from(why.description()))
[INFO] [stderr]     |                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ByteOrder`
[INFO] [stderr]    --> src/bytecode/mod.rs:127:23
[INFO] [stderr]     |
[INFO] [stderr] 127 | use self::byteorder::{ByteOrder, BigEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stderr]     |                       ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `seax_util` (lib) generated 11 warnings (run `cargo fix --lib -p seax_util` to apply 1 suggestion)
[INFO] [stderr] warning: `seax_util` (lib test) generated 11 warnings (11 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/seax_util-9769139e6e0b5a6f)
[INFO] [stdout] 
[INFO] [stdout] running 55 tests
[INFO] [stdout] test bytecode::tests::test_decode_program ... ok
[INFO] [stdout] test bytecode::tests::prop_encode_sint ... ok
[INFO] [stdout] test bytecode::tests::prop_encode_char ... ok
[INFO] [stdout] test bytecode::tests::test_decode_program_no_ident ... ok
[INFO] [stdout] test bytecode::tests::prop_encode_uint ... ok
[INFO] [stdout] test bytecode::tests::test_decode_program_wrong_version ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_add ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_ap ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_apcc ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_atom ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_car ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_cdr ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_div ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_cons ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_dum ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_eq ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_fdiv ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_gt ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_gte ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_join ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_ld ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_ldc ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_ldf ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_lte ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_lt ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_mod ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_mul ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_nil ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_null ... ok
[INFO] [stdout] test bytecode::tests::prop_encode_float ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_rap ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_ret ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_sel ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_stop ... ok
[INFO] [stdout] test bytecode::tests::test_encode_inst_sub ... ok
[INFO] [stdout] test bytecode::tests::test_encode_program_add ... ok
[INFO] [stdout] test bytecode::tests::test_encode_program_basic_branching_1 ... ok
[INFO] [stdout] test bytecode::tests::test_encode_program_car ... ok
[INFO] [stdout] test bytecode::tests::test_encode_program_basic_branching_2 ... ok
[INFO] [stdout] test bytecode::tests::test_encode_program_cdr ... ok
[INFO] [stdout] test bytecode::tests::test_encode_program_nested_arith ... ok
[INFO] [stdout] test bytecode::tests::test_encode_program_list_creation ... ok
[INFO] [stdout] test bytecode::tests::test_encode_uint_zero ... ok
[INFO] [stdout] test bytecode::tests::test_encode_simple_program ... ok
[INFO] [stdout] test cell::tests::test_atom_show ... ok
[INFO] [stdout] test list::tests::test_list_isize_indexing ... ok
[INFO] [stdout] test list::tests::test_list_iter ... ok
[INFO] [stdout] test list::tests::test_list_length ... ok
[INFO] [stdout] test list::tests::test_list_macro ... ok
[INFO] [stdout] test list::tests::test_list_to_string ... ok
[INFO] [stdout] test list::tests::test_list_usize_indexing ... ok
[INFO] [stdout] test list::tests::test_stack_length ... ok
[INFO] [stdout] test list::tests::test_stack_peek ... ok
[INFO] [stdout] test list::tests::test_stack_pop ... ok
[INFO] [stdout] test list::tests::test_stack_push ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 55 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests seax_util
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test src/compiler_tools/forktable.rs - compiler_tools::forktable::ForkTable<'a,K,V>::insert (line 233) ... ok
[INFO] [stdout] test src/list/mod.rs - list::List<T> (line 581) ... ok
[INFO] [stdout] test src/list/mod.rs - list::List<T> (line 609) ... ok
[INFO] [stdout] test src/compiler_tools/forktable.rs - compiler_tools::forktable::ForkTable<'a,K,V>::get_mut (line 124) ... ok
[INFO] [stdout] test src/compiler_tools/forktable.rs - compiler_tools::forktable::ForkTable<'a,K,V> (line 441) ... ok
[INFO] [stdout] test src/compiler_tools/forktable.rs - compiler_tools::forktable::ForkTable<'a,K,V> (line 409) ... ok
[INFO] [stdout] test src/compiler_tools/forktable.rs - compiler_tools::forktable::ForkTable<'a,K,V>::chain_contains_key (line 329) ... ok
[INFO] [stdout] test src/compiler_tools/forktable.rs - compiler_tools::forktable::ForkTable<'a,K,V>::get (line 67) ... ok
[INFO] [stdout] test src/compiler_tools/forktable.rs - compiler_tools::forktable::ForkTable<'a,K,V>::remove (line 182) ... ok
[INFO] [stdout] test src/compiler_tools/forktable.rs - compiler_tools::forktable::ForkTable<'a,K,V>::chain_contains_key (line 322) ... ok
[INFO] [stdout] test src/compiler_tools/forktable.rs - compiler_tools::forktable::ForkTable<'a,K,V>::get (line 75) ... ok
[INFO] [stdout] test src/compiler_tools/forktable.rs - compiler_tools::forktable::ForkTable<'a,K,V>::get_mut (line 132) ... ok
[INFO] [stdout] test src/compiler_tools/forktable.rs - compiler_tools::forktable::ForkTable<'a,K,V>::contains_key (line 278) ... ok
[INFO] [stdout] test src/compiler_tools/forktable.rs - compiler_tools::forktable::ForkTable<'a,K,V>::insert (line 243) ... ok
[INFO] [stdout] test src/compiler_tools/forktable.rs - compiler_tools::forktable::ForkTable<'a,K,V>::contains_key (line 285) ... ok
[INFO] [stdout] test src/compiler_tools/forktable.rs - compiler_tools::forktable::ForkTable<'a,K,V>::remove (line 174) ... ok
[INFO] [stdout] test src/list/mod.rs - list::List<T>::append_chain (line 270) ... ok
[INFO] [stdout] test src/list/mod.rs - list::List<T> (line 674) ... ok
[INFO] [stdout] test src/list/mod.rs - list::List<T>::append (line 229) ... ok
[INFO] [stdout] test src/list/mod.rs - list::List<T>::is_empty (line 321) ... ok
[INFO] [stdout] test src/list/mod.rs - list::List<T> (line 638) ... ok
[INFO] [stdout] test src/list/mod.rs - list::List<T>::get (line 421) ... ok
[INFO] [stdout] test src/list/mod.rs - list::List<T>::length (line 299) ... ok
[INFO] [stdout] test src/list/mod.rs - list::List<T>::last (line 382) ... ok
[INFO] [stdout] test src/list/mod.rs - list::List<T>::is_empty (line 330) ... ok
[INFO] [stdout] test src/list/mod.rs - list::List<T>::peek (line 127) ... ok
[INFO] [stdout] test src/list/mod.rs - list::List<T>::prepend (line 202) ... ok
[INFO] [stdout] test src/list/mod.rs - list::List<T>::pop (line 94) ... ok
[INFO] [stdout] test src/list/mod.rs - list::List<T>::push (line 71) ... ok
[INFO] [stdout] test src/list/mod.rs - list::List<T>::from_iter (line 489) ... ok
[INFO] [stdout] test src/list/mod.rs - list::ListIterator<'a,T>::next (line 530) ... ok
[INFO] [stdout] test src/list/mod.rs - list::List<T>::tail (line 352) ... ok
[INFO] [stdout] test src/list/mod.rs - list::list (line 12) ... ok
[INFO] [stdout] test src/list/mod.rs - list::ListIterator<'a,T>::next (line 543) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.69s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "846dc292976410e5fae18a3d6b6b99622c8683dd14673c2c914ede9cde4834b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "846dc292976410e5fae18a3d6b6b99622c8683dd14673c2c914ede9cde4834b7", kill_on_drop: false }`
[INFO] [stdout] 846dc292976410e5fae18a3d6b6b99622c8683dd14673c2c914ede9cde4834b7