[INFO] cloning repository https://github.com/tomoesaturn/rust-zero-book-exercise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomoesaturn/rust-zero-book-exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomoesaturn%2Frust-zero-book-exercise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomoesaturn%2Frust-zero-book-exercise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4a4309b8300cbcee3d141c4be493376d2ee0135
[INFO] checking tomoesaturn/rust-zero-book-exercise against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomoesaturn%2Frust-zero-book-exercise" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tomoesaturn/rust-zero-book-exercise
[INFO] finished tweaking git repo https://github.com/tomoesaturn/rust-zero-book-exercise
[INFO] tweaked toml for git repo https://github.com/tomoesaturn/rust-zero-book-exercise written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tomoesaturn/rust-zero-book-exercise on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tomoesaturn/rust-zero-book-exercise 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-7-tc1/source/shell/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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 fd-lock v3.0.12
[INFO] [stderr]   Downloaded dirs-sys v0.4.0
[INFO] [stderr]   Downloaded ciborium-io v0.2.0
[INFO] [stderr]   Downloaded rstest_macros v0.17.0
[INFO] [stderr]   Downloaded dirs v5.0.0
[INFO] [stderr]   Downloaded ciborium-ll v0.2.0
[INFO] [stderr]   Downloaded rstest v0.17.0
[INFO] [stderr]   Downloaded ciborium v0.2.0
[INFO] [stderr]   Downloaded rustyline v11.0.0
[INFO] [stderr]   Downloaded bumpalo v3.12.1
[INFO] [stderr]   Downloaded rustix v0.37.18
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be1cad9e023a500cff945cb167f1a45eadcce57b2ce2ec0e9124a84622447c3c
[INFO] running `Command { std: "docker" "start" "-a" "be1cad9e023a500cff945cb167f1a45eadcce57b2ce2ec0e9124a84622447c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be1cad9e023a500cff945cb167f1a45eadcce57b2ce2ec0e9124a84622447c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be1cad9e023a500cff945cb167f1a45eadcce57b2ce2ec0e9124a84622447c3c", kill_on_drop: false }`
[INFO] [stdout] be1cad9e023a500cff945cb167f1a45eadcce57b2ce2ec0e9124a84622447c3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee9cd2ca9891e0d47493fd74d275cbc2c86c1333d878fad828c37ad63afd3077
[INFO] running `Command { std: "docker" "start" "-a" "ee9cd2ca9891e0d47493fd74d275cbc2c86c1333d878fad828c37ad63afd3077", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/shell/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling rustix v0.37.18
[INFO] [stderr]     Checking linux-raw-sys v0.3.6
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling rstest_macros v0.17.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking crossbeam-epoch v0.9.14
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking ciborium-io v0.2.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking futures-channel v0.3.28
[INFO] [stderr]     Checking regex-syntax v0.7.1
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking plotters v0.3.4
[INFO] [stderr]     Checking ciborium-ll v0.2.0
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking regex v0.1.0 (/opt/rustwide/workdir/regex)
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking regex v1.8.1
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking dirs-sys v0.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v5.0.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking signal-hook v0.3.15
[INFO] [stderr]     Checking rayon-core v1.11.0
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking ackerman v0.1.0 (/opt/rustwide/workdir/debugger/ackerman)
[INFO] [stderr]     Checking fd-lock v3.0.12
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]     Checking rustyline v11.0.0
[INFO] [stderr]     Checking irq_test v0.1.0 (/opt/rustwide/workdir/debugger/irq_test)
[INFO] [stderr]     Checking futures-util v0.3.28
[INFO] [stderr]     Checking shell v0.1.0 (/opt/rustwide/workdir/shell)
[INFO] [stderr]     Checking zdbg v0.1.0 (/opt/rustwide/workdir/debugger/zdbg)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> shell/src/shell/worker.rs:87:20
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn parse_cmd(line: &str) -> CmdResult {
[INFO] [stdout]    |                    ^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn parse_cmd(line: &str) -> CmdResult<'_> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> debugger/zdbg/src/dbg.rs:101:92
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 execvp(&CString::new(self.info.filename.as_str()).unwrap(), &args).unwrap();
[INFO] [stdout]     |                 ---------------------------------------------------------------------------^ unreachable expression
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 any code following this expression is unreachable
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `Infallible`, which is uninhabited
[INFO] [stdout]    --> debugger/zdbg/src/dbg.rs:101:17
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 execvp(&CString::new(self.info.filename.as_str()).unwrap(), &args).unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> debugger/zdbg/src/main.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 rl.add_history_entry(line);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 let _ = rl.add_history_entry(line);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> debugger/zdbg/src/dbg.rs:101:92
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 execvp(&CString::new(self.info.filename.as_str()).unwrap(), &args).unwrap();
[INFO] [stdout]     |                 ---------------------------------------------------------------------------^ unreachable expression
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 any code following this expression is unreachable
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `Infallible`, which is uninhabited
[INFO] [stdout]    --> debugger/zdbg/src/dbg.rs:101:17
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 execvp(&CString::new(self.info.filename.as_str()).unwrap(), &args).unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> shell/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     launcher::launch_shell();
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let _ = launcher::launch_shell();
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> shell/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     launcher::launch_shell();
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let _ = launcher::launch_shell();
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> shell/src/shell/worker.rs:87:20
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn parse_cmd(line: &str) -> CmdResult {
[INFO] [stdout]    |                    ^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn parse_cmd(line: &str) -> CmdResult<'_> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> debugger/zdbg/src/main.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 rl.add_history_entry(line);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 let _ = rl.add_history_entry(line);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking rstest v0.17.0
[INFO] [stderr]     Checking serde_json v1.0.96
[INFO] [stderr]     Checking ciborium v0.2.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.21s
[INFO] running `Command { std: "docker" "inspect" "ee9cd2ca9891e0d47493fd74d275cbc2c86c1333d878fad828c37ad63afd3077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee9cd2ca9891e0d47493fd74d275cbc2c86c1333d878fad828c37ad63afd3077", kill_on_drop: false }`
[INFO] [stdout] ee9cd2ca9891e0d47493fd74d275cbc2c86c1333d878fad828c37ad63afd3077
