[INFO] fetching crate tw_pack_lib 0.1.21...
[INFO] building tw_pack_lib-0.1.21 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate tw_pack_lib 0.1.21 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate tw_pack_lib 0.1.21 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tw_pack_lib 0.1.21
[INFO] finished tweaking crates.io crate tw_pack_lib 0.1.21
[INFO] tweaked toml for crates.io crate tw_pack_lib 0.1.21 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cached_file_view v0.1.4
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1a9f7ad9850a8fdf992566cf9bc285daaf7962de3f314070b8e5f51b80e2050
[INFO] running `Command { std: "docker" "start" "-a" "d1a9f7ad9850a8fdf992566cf9bc285daaf7962de3f314070b8e5f51b80e2050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1a9f7ad9850a8fdf992566cf9bc285daaf7962de3f314070b8e5f51b80e2050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1a9f7ad9850a8fdf992566cf9bc285daaf7962de3f314070b8e5f51b80e2050", kill_on_drop: false }`
[INFO] [stdout] d1a9f7ad9850a8fdf992566cf9bc285daaf7962de3f314070b8e5f51b80e2050
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 704c37bcadd21d8a90c269901d24b37bff6c61fa9cdad2c417f92f468ba3b0ef
[INFO] running `Command { std: "docker" "start" "-a" "704c37bcadd21d8a90c269901d24b37bff6c61fa9cdad2c417f92f468ba3b0ef", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling cached_file_view v0.1.4
[INFO] [stderr]    Compiling tw_pack_lib v0.1.21 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `begin` is never read
[INFO] [stdout]    --> src/lib.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub struct PackFile {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] 111 |     view: FileView,
[INFO] [stdout] 112 |     begin: FileViewMapping
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PackFile` has a derived impl for the trait `Clone`, 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: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:233:86
[INFO] [stdout]     |
[INFO] [stdout] 233 | ....range.end - lazy.range.start, format!("{} != {}", plaintext.len(), lazy.range.end - lazy.range.start));
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 233 -                 assert!(plaintext.len() as u64 == lazy.range.end - lazy.range.start, format!("{} != {}", plaintext.len(), lazy.range.end - lazy.range.start));
[INFO] [stdout] 233 +                 assert!(plaintext.len() as u64 == lazy.range.end - lazy.range.start, "{} != {}", plaintext.len(), lazy.range.end - lazy.range.start);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:254:90
[INFO] [stdout]     |
[INFO] [stdout] 254 | ....range.end - lazy.range.start, format!("{} != {}", plaintext.len(), lazy.range.end - lazy.range.start));
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 254 -                     assert!(plaintext.len() as u64 == lazy.range.end - lazy.range.start, format!("{} != {}", plaintext.len(), lazy.range.end - lazy.range.start));
[INFO] [stdout] 254 +                     assert!(plaintext.len() as u64 == lazy.range.end - lazy.range.start, "{} != {}", plaintext.len(), lazy.range.end - lazy.range.start);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "704c37bcadd21d8a90c269901d24b37bff6c61fa9cdad2c417f92f468ba3b0ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "704c37bcadd21d8a90c269901d24b37bff6c61fa9cdad2c417f92f468ba3b0ef", kill_on_drop: false }`
[INFO] [stdout] 704c37bcadd21d8a90c269901d24b37bff6c61fa9cdad2c417f92f468ba3b0ef
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0c0c0566c8dcb5d2da9502b1979baf866f0d53aa2e262850bfd388f66039d81
[INFO] running `Command { std: "docker" "start" "-a" "b0c0c0566c8dcb5d2da9502b1979baf866f0d53aa2e262850bfd388f66039d81", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling tw_pack_lib v0.1.21 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `begin` is never read
[INFO] [stdout]    --> src/lib.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub struct PackFile {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] 111 |     view: FileView,
[INFO] [stdout] 112 |     begin: FileViewMapping
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PackFile` has a derived impl for the trait `Clone`, 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: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:233:86
[INFO] [stdout]     |
[INFO] [stdout] 233 | ....range.end - lazy.range.start, format!("{} != {}", plaintext.len(), lazy.range.end - lazy.range.start));
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 233 -                 assert!(plaintext.len() as u64 == lazy.range.end - lazy.range.start, format!("{} != {}", plaintext.len(), lazy.range.end - lazy.range.start));
[INFO] [stdout] 233 +                 assert!(plaintext.len() as u64 == lazy.range.end - lazy.range.start, "{} != {}", plaintext.len(), lazy.range.end - lazy.range.start);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:254:90
[INFO] [stdout]     |
[INFO] [stdout] 254 | ....range.end - lazy.range.start, format!("{} != {}", plaintext.len(), lazy.range.end - lazy.range.start));
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 254 -                     assert!(plaintext.len() as u64 == lazy.range.end - lazy.range.start, format!("{} != {}", plaintext.len(), lazy.range.end - lazy.range.start));
[INFO] [stdout] 254 +                     assert!(plaintext.len() as u64 == lazy.range.end - lazy.range.start, "{} != {}", plaintext.len(), lazy.range.end - lazy.range.start);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `begin` is never read
[INFO] [stdout]    --> src/lib.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub struct PackFile {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] 111 |     view: FileView,
[INFO] [stdout] 112 |     begin: FileViewMapping
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PackFile` has a derived impl for the trait `Clone`, 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: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:233:86
[INFO] [stdout]     |
[INFO] [stdout] 233 | ....range.end - lazy.range.start, format!("{} != {}", plaintext.len(), lazy.range.end - lazy.range.start));
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 233 -                 assert!(plaintext.len() as u64 == lazy.range.end - lazy.range.start, format!("{} != {}", plaintext.len(), lazy.range.end - lazy.range.start));
[INFO] [stdout] 233 +                 assert!(plaintext.len() as u64 == lazy.range.end - lazy.range.start, "{} != {}", plaintext.len(), lazy.range.end - lazy.range.start);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:254:90
[INFO] [stdout]     |
[INFO] [stdout] 254 | ....range.end - lazy.range.start, format!("{} != {}", plaintext.len(), lazy.range.end - lazy.range.start));
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 254 -                     assert!(plaintext.len() as u64 == lazy.range.end - lazy.range.start, format!("{} != {}", plaintext.len(), lazy.range.end - lazy.range.start));
[INFO] [stdout] 254 +                     assert!(plaintext.len() as u64 == lazy.range.end - lazy.range.start, "{} != {}", plaintext.len(), lazy.range.end - lazy.range.start);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "b0c0c0566c8dcb5d2da9502b1979baf866f0d53aa2e262850bfd388f66039d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0c0c0566c8dcb5d2da9502b1979baf866f0d53aa2e262850bfd388f66039d81", kill_on_drop: false }`
[INFO] [stdout] b0c0c0566c8dcb5d2da9502b1979baf866f0d53aa2e262850bfd388f66039d81