[INFO] fetching crate moxi 0.1.0...
[INFO] checking moxi-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate moxi 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate moxi 0.1.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate moxi 0.1.0
[INFO] finished tweaking crates.io crate moxi 0.1.0
[INFO] tweaked toml for crates.io crate moxi 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate moxi 0.1.0 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scroll_derive v0.11.0
[INFO] [stderr]   Downloaded ruzstd v0.3.1
[INFO] [stderr]   Downloaded cpp_demangle v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a208c54bdc6d81d4764dfe209610d6eaf10a72c910b57cdd2279bd081e5c721
[INFO] running `Command { std: "docker" "start" "-a" "9a208c54bdc6d81d4764dfe209610d6eaf10a72c910b57cdd2279bd081e5c721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a208c54bdc6d81d4764dfe209610d6eaf10a72c910b57cdd2279bd081e5c721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a208c54bdc6d81d4764dfe209610d6eaf10a72c910b57cdd2279bd081e5c721", kill_on_drop: false }`
[INFO] [stdout] 9a208c54bdc6d81d4764dfe209610d6eaf10a72c910b57cdd2279bd081e5c721
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4903975f43c78949d4f335f0846f7090b19c50a1c074c821db7f7fc78795f2df
[INFO] running `Command { std: "docker" "start" "-a" "4903975f43c78949d4f335f0846f7090b19c50a1c074c821db7f7fc78795f2df", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking anstyle-parse v0.2.0
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]    Compiling cpp_demangle v0.4.1
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]    Compiling scroll_derive v0.11.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking scroll v0.11.0
[INFO] [stderr]     Checking clap_builder v4.3.3
[INFO] [stderr]     Checking goblin v0.6.1
[INFO] [stderr]     Checking ruzstd v0.3.1
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]     Checking clap v4.3.3
[INFO] [stderr]     Checking addr2line v0.20.0
[INFO] [stderr]     Checking moxi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `anyhow`
[INFO] [stdout]  --> src/step.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use anyhow::{Result, anyhow};
[INFO] [stdout]   |                      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow`
[INFO] [stdout]  --> src/step.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use anyhow::{Result, anyhow};
[INFO] [stdout]   |                      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]  --> src/daemon.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ffi::c_void, fs, io::{BufRead, BufReader}, process::Command, rc::Rc, borrow::Cow, path::Path, collections::HashMap, net::TcpLis...
[INFO] [stdout]   |                                          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `writer::Writer`
[INFO] [stdout]   --> src/daemon.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use writer::Writer;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]  --> src/daemon.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ffi::c_void, fs, io::{BufRead, BufReader}, process::Command, rc::Rc, borrow::Cow, path::Path, collections::HashMap, net::TcpLis...
[INFO] [stdout]   |                                          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `writer::Writer`
[INFO] [stdout]   --> src/daemon.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use writer::Writer;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/daemon.rs:238:13
[INFO] [stdout]     |
[INFO] [stdout] 238 |             _ => break,
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/daemon.rs:238:13
[INFO] [stdout]     |
[INFO] [stdout] 235 |             Cmd::Breakpoint => do_breakpoint(&debuggee, message, &mut breakpoints)?,
[INFO] [stdout]     |             --------------- matches some of the same values
[INFO] [stdout] 236 |             Cmd::Start => todo!(),
[INFO] [stdout]     |             ---------- matches some of the same values
[INFO] [stdout] 237 |             Cmd::Step => do_step(&debuggee, message)?,
[INFO] [stdout]     |             --------- matches some of the same values
[INFO] [stdout] 238 |             _ => break,
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_command` is never used
[INFO] [stdout]   --> src/daemon.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn make_command() -> clap::Command {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Writer` is never constructed
[INFO] [stdout]  --> src/writer.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Writer {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `write` are never used
[INFO] [stdout]   --> src/writer.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Writer {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new(stream: TcpStream, cmd_name: &str) -> Writer {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn write(&mut self, input: &[u8]) -> std::io::Result<usize> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/daemon.rs:238:13
[INFO] [stdout]     |
[INFO] [stdout] 238 |             _ => break,
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/daemon.rs:238:13
[INFO] [stdout]     |
[INFO] [stdout] 235 |             Cmd::Breakpoint => do_breakpoint(&debuggee, message, &mut breakpoints)?,
[INFO] [stdout]     |             --------------- matches some of the same values
[INFO] [stdout] 236 |             Cmd::Start => todo!(),
[INFO] [stdout]     |             ---------- matches some of the same values
[INFO] [stdout] 237 |             Cmd::Step => do_step(&debuggee, message)?,
[INFO] [stdout]     |             --------- matches some of the same values
[INFO] [stdout] 238 |             _ => break,
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_command` is never used
[INFO] [stdout]   --> src/daemon.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn make_command() -> clap::Command {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Writer` is never constructed
[INFO] [stdout]  --> src/writer.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Writer {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `write` are never used
[INFO] [stdout]   --> src/writer.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Writer {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new(stream: TcpStream, cmd_name: &str) -> Writer {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn write(&mut self, input: &[u8]) -> std::io::Result<usize> {
[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 17.60s
[INFO] running `Command { std: "docker" "inspect" "4903975f43c78949d4f335f0846f7090b19c50a1c074c821db7f7fc78795f2df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4903975f43c78949d4f335f0846f7090b19c50a1c074c821db7f7fc78795f2df", kill_on_drop: false }`
[INFO] [stdout] 4903975f43c78949d4f335f0846f7090b19c50a1c074c821db7f7fc78795f2df