[INFO] cloning repository https://github.com/0x75960/kick
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0x75960/kick" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x75960%2Fkick", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x75960%2Fkick'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c1952977a2ce9c7b57c7a97f573b92a4bdf342c
[INFO] checking 0x75960/kick/6c1952977a2ce9c7b57c7a97f573b92a4bdf342c against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x75960%2Fkick" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0x75960/kick on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/0x75960/kick
[INFO] finished tweaking git repo https://github.com/0x75960/kick
[INFO] tweaked toml for git repo https://github.com/0x75960/kick written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/0x75960/kick already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 897ba1b952b8ae46bf5d7be0cc3cf14a28f8ca81799645aae494305515b20537
[INFO] running `Command { std: "docker" "start" "-a" "897ba1b952b8ae46bf5d7be0cc3cf14a28f8ca81799645aae494305515b20537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "897ba1b952b8ae46bf5d7be0cc3cf14a28f8ca81799645aae494305515b20537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "897ba1b952b8ae46bf5d7be0cc3cf14a28f8ca81799645aae494305515b20537", kill_on_drop: false }`
[INFO] [stdout] 897ba1b952b8ae46bf5d7be0cc3cf14a28f8ca81799645aae494305515b20537
[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 -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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6adf91ef70f33c46cf632611ca6242335ac17de23aaf90597cbf66a27116304
[INFO] running `Command { std: "docker" "start" "-a" "f6adf91ef70f33c46cf632611ca6242335ac17de23aaf90597cbf66a27116304", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]    Compiling build_const v0.2.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v0.2.2
[INFO] [stderr]    Compiling crc v1.7.0
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]     Checking miniz_oxide v0.1.2
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]    Compiling syn v0.12.12
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking clap v2.29.4
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.1.2
[INFO] [stderr]     Checking msdos_time v0.1.5
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]     Checking bzip2 v0.3.2
[INFO] [stderr]     Checking zip v0.2.8
[INFO] [stderr]    Compiling structopt-derive v0.2.0
[INFO] [stderr]     Checking structopt v0.2.0
[INFO] [stderr]     Checking kick v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::zip::ZipArchive`
[INFO] [stdout]  --> src/signatures/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use self::zip::ZipArchive;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytereader::*`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use bytereader::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::zip::ZipArchive`
[INFO] [stdout]  --> src/signatures/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use self::zip::ZipArchive;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytereader::*`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use bytereader::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read_as_byte`, `read_as_byte_offset`, `read_as_qword`, and `read_as_qword_offset` are never used
[INFO] [stdout]   --> src/bytereader/mod.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl<T: Seek + Read> ByteReader<T> {
[INFO] [stdout]    | ---------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |   pub fn read_as_byte(&mut self) -> Result<u8> {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |   pub fn read_as_byte_offset(&mut self, offset: u64) -> Result<u8> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |   pub fn read_as_qword(&mut self) -> Result<u64> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |   pub fn read_as_qword_offset(&mut self, offset: u64) -> Result<u64> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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/main.rs:156:22
[INFO] [stdout]     |
[INFO] [stdout] 156 |     Err(e) => panic!(e),
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` 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: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 156 |     Err(e) => panic!("{}", e),
[INFO] [stdout]     |                      +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 156 |     Err(e) => std::panic::panic_any(e),
[INFO] [stdout]     |               ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read_as_byte`, `read_as_byte_offset`, `read_as_qword`, and `read_as_qword_offset` are never used
[INFO] [stdout]   --> src/bytereader/mod.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl<T: Seek + Read> ByteReader<T> {
[INFO] [stdout]    | ---------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |   pub fn read_as_byte(&mut self) -> Result<u8> {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |   pub fn read_as_byte_offset(&mut self, offset: u64) -> Result<u8> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |   pub fn read_as_qword(&mut self) -> Result<u64> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |   pub fn read_as_qword_offset(&mut self, offset: u64) -> Result<u64> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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/main.rs:156:22
[INFO] [stdout]     |
[INFO] [stdout] 156 |     Err(e) => panic!(e),
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` 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: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 156 |     Err(e) => panic!("{}", e),
[INFO] [stdout]     |                      +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 156 |     Err(e) => std::panic::panic_any(e),
[INFO] [stdout]     |               ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.74s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.12.12
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "f6adf91ef70f33c46cf632611ca6242335ac17de23aaf90597cbf66a27116304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6adf91ef70f33c46cf632611ca6242335ac17de23aaf90597cbf66a27116304", kill_on_drop: false }`
[INFO] [stdout] f6adf91ef70f33c46cf632611ca6242335ac17de23aaf90597cbf66a27116304