[INFO] cloning repository https://github.com/simotin13/binary_tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simotin13/binary_tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimotin13%2Fbinary_tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimotin13%2Fbinary_tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d42472235fb092f3ae699fa4babe9fa19d6c72f
[INFO] testing simotin13/binary_tracer against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimotin13%2Fbinary_tracer" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/simotin13/binary_tracer on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/simotin13/binary_tracer
[INFO] finished tweaking git repo https://github.com/simotin13/binary_tracer
[INFO] tweaked toml for git repo https://github.com/simotin13/binary_tracer written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/simotin13/binary_tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b75449cb05c7ab2a3871ade9b51875ded61efc56472fce357bbd8559d57938ed
[INFO] running `Command { std: "docker" "start" "-a" "b75449cb05c7ab2a3871ade9b51875ded61efc56472fce357bbd8559d57938ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b75449cb05c7ab2a3871ade9b51875ded61efc56472fce357bbd8559d57938ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b75449cb05c7ab2a3871ade9b51875ded61efc56472fce357bbd8559d57938ed", kill_on_drop: false }`
[INFO] [stdout] b75449cb05c7ab2a3871ade9b51875ded61efc56472fce357bbd8559d57938ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6036270fb6378af5095eba25448606bde8fde0cdd9f8b3347c5be71f798b9a25
[INFO] running `Command { std: "docker" "start" "-a" "6036270fb6378af5095eba25448606bde8fde0cdd9f8b3347c5be71f798b9a25", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling binary_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Stdio`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::process::Stdio;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Events`, `Poll`, `Token`
[INFO] [stdout]  --> src/gdbmi.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use mio::{Events, Poll, Token};
[INFO] [stdout]   |           ^^^^^^  ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/elf.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |             ELFOSABI_SYSV => println!("  OS/ABI:{:28}Alias.", ""),
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/elf.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |             ELFOSABI_LINUX => println!("  OS/ABI:{:28}Compatibility alias.", ""),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/elf.rs:357:13
[INFO] [stdout]     |
[INFO] [stdout] 357 |             ELFOSABI_SYSV => println!("  OS/ABI:{:28}Alias.", ""),
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/elf.rs:361:13
[INFO] [stdout]     |
[INFO] [stdout] 361 |             ELFOSABI_LINUX => println!("  OS/ABI:{:28}Compatibility alias.", ""),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf_dword`
[INFO] [stdout]    --> src/elf.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let mut buf_dword: [u8; 8] = Default::default();
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf_dword`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/elf.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let mut buf_dword: [u8; 8] = Default::default();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/gdbmi.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut proc = Command::new("gdb").
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Elf32Sword`
[INFO] [stdout]  --> src/elf.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Elf32Sword    = i32;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Elf64Sword`
[INFO] [stdout]   --> src/elf.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Elf64Sword    = i32;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SIZE_ELF32_SWORD`
[INFO] [stdout]   --> src/elf.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | const SIZE_ELF32_SWORD: usize   = mem::size_of::<Elf32Sword>();
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SIZE_ELF64_SWORD`
[INFO] [stdout]   --> src/elf.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | const SIZE_ELF64_SWORD: usize   = mem::size_of::<Elf64Sword>();
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ET_NUM`
[INFO] [stdout]   --> src/elf.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | const ET_NUM:u16    = 5;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `timeout`
[INFO] [stdout]  --> src/gdbmi.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     timeout: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.05s
[INFO] running `Command { std: "docker" "inspect" "6036270fb6378af5095eba25448606bde8fde0cdd9f8b3347c5be71f798b9a25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6036270fb6378af5095eba25448606bde8fde0cdd9f8b3347c5be71f798b9a25", kill_on_drop: false }`
[INFO] [stdout] 6036270fb6378af5095eba25448606bde8fde0cdd9f8b3347c5be71f798b9a25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5102f32061e24a1d05d042ed79184892d0b14a0e3dc2041b82116c217f830e9a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5102f32061e24a1d05d042ed79184892d0b14a0e3dc2041b82116c217f830e9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Stdio`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::process::Stdio;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Events`, `Poll`, `Token`
[INFO] [stdout]  --> src/gdbmi.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use mio::{Events, Poll, Token};
[INFO] [stdout]   |           ^^^^^^  ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/elf.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |             ELFOSABI_SYSV => println!("  OS/ABI:{:28}Alias.", ""),
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/elf.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |             ELFOSABI_LINUX => println!("  OS/ABI:{:28}Compatibility alias.", ""),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/elf.rs:357:13
[INFO] [stdout]     |
[INFO] [stdout] 357 |             ELFOSABI_SYSV => println!("  OS/ABI:{:28}Alias.", ""),
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/elf.rs:361:13
[INFO] [stdout]     |
[INFO] [stdout] 361 |             ELFOSABI_LINUX => println!("  OS/ABI:{:28}Compatibility alias.", ""),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf_dword`
[INFO] [stdout]    --> src/elf.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let mut buf_dword: [u8; 8] = Default::default();
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf_dword`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/elf.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let mut buf_dword: [u8; 8] = Default::default();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/gdbmi.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut proc = Command::new("gdb").
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Elf32Sword`
[INFO] [stdout]  --> src/elf.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Elf32Sword    = i32;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Elf64Sword`
[INFO] [stdout]   --> src/elf.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Elf64Sword    = i32;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SIZE_ELF32_SWORD`
[INFO] [stdout]   --> src/elf.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | const SIZE_ELF32_SWORD: usize   = mem::size_of::<Elf32Sword>();
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SIZE_ELF64_SWORD`
[INFO] [stdout]   --> src/elf.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | const SIZE_ELF64_SWORD: usize   = mem::size_of::<Elf64Sword>();
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ET_NUM`
[INFO] [stdout]   --> src/elf.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | const ET_NUM:u16    = 5;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `timeout`
[INFO] [stdout]  --> src/gdbmi.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     timeout: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "5102f32061e24a1d05d042ed79184892d0b14a0e3dc2041b82116c217f830e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5102f32061e24a1d05d042ed79184892d0b14a0e3dc2041b82116c217f830e9a", kill_on_drop: false }`
[INFO] [stdout] 5102f32061e24a1d05d042ed79184892d0b14a0e3dc2041b82116c217f830e9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6c4479aeb8eeb9c6e65006aee11fd15e2ff0aa3b66a4ad265c5727e551fdc575
[INFO] running `Command { std: "docker" "start" "-a" "6c4479aeb8eeb9c6e65006aee11fd15e2ff0aa3b66a4ad265c5727e551fdc575", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::process::Command`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::process::Command;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::Stdio`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::process::Stdio;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Events`, `Poll`, `Token`
[INFO] [stderr]  --> src/gdbmi.rs:5:11
[INFO] [stderr]   |
[INFO] [stderr] 5 | use mio::{Events, Poll, Token};
[INFO] [stderr]   |           ^^^^^^  ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/elf.rs:227:13
[INFO] [stderr]     |
[INFO] [stderr] 227 |             ELFOSABI_SYSV => println!("  OS/ABI:{:28}Alias.", ""),
[INFO] [stderr]     |             ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/elf.rs:231:13
[INFO] [stderr]     |
[INFO] [stderr] 231 |             ELFOSABI_LINUX => println!("  OS/ABI:{:28}Compatibility alias.", ""),
[INFO] [stderr]     |             ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/elf.rs:357:13
[INFO] [stderr]     |
[INFO] [stderr] 357 |             ELFOSABI_SYSV => println!("  OS/ABI:{:28}Alias.", ""),
[INFO] [stderr]     |             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/elf.rs:361:13
[INFO] [stderr]     |
[INFO] [stderr] 361 |             ELFOSABI_LINUX => println!("  OS/ABI:{:28}Compatibility alias.", ""),
[INFO] [stderr]     |             ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf_dword`
[INFO] [stderr]    --> src/elf.rs:146:17
[INFO] [stderr]     |
[INFO] [stderr] 146 |         let mut buf_dword: [u8; 8] = Default::default();
[INFO] [stderr]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf_dword`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/elf.rs:146:13
[INFO] [stderr]     |
[INFO] [stderr] 146 |         let mut buf_dword: [u8; 8] = Default::default();
[INFO] [stderr]     |             ----^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/gdbmi.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let mut proc = Command::new("gdb").
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Elf32Sword`
[INFO] [stderr]  --> src/elf.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | type Elf32Sword    = i32;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Elf64Sword`
[INFO] [stderr]   --> src/elf.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | type Elf64Sword    = i32;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `SIZE_ELF32_SWORD`
[INFO] [stderr]   --> src/elf.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | const SIZE_ELF32_SWORD: usize   = mem::size_of::<Elf32Sword>();
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `SIZE_ELF64_SWORD`
[INFO] [stderr]   --> src/elf.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | const SIZE_ELF64_SWORD: usize   = mem::size_of::<Elf64Sword>();
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `ET_NUM`
[INFO] [stderr]   --> src/elf.rs:65:1
[INFO] [stderr]    |
[INFO] [stderr] 65 | const ET_NUM:u16    = 5;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `timeout`
[INFO] [stderr]  --> src/gdbmi.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     timeout: u32,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `binary_tracer` (bin "binary_tracer" test) generated 17 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/binary_tracer-8e8484037de2f5e5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6c4479aeb8eeb9c6e65006aee11fd15e2ff0aa3b66a4ad265c5727e551fdc575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c4479aeb8eeb9c6e65006aee11fd15e2ff0aa3b66a4ad265c5727e551fdc575", kill_on_drop: false }`
[INFO] [stdout] 6c4479aeb8eeb9c6e65006aee11fd15e2ff0aa3b66a4ad265c5727e551fdc575