[INFO] cloning repository https://github.com/tt-shq/rustc2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tt-shq/rustc2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftt-shq%2Frustc2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftt-shq%2Frustc2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08593a1ca0271c10c16fa69cd70424bad674ab23
[INFO] checking tt-shq/rustc2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftt-shq%2Frustc2" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tt-shq/rustc2
[INFO] finished tweaking git repo https://github.com/tt-shq/rustc2
[INFO] tweaked toml for git repo https://github.com/tt-shq/rustc2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tt-shq/rustc2 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tt-shq/rustc2 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b1e906d55bb1b1673f7fef7ebeab7e5091c48d1d26d9ca7146d114ae7705366
[INFO] running `Command { std: "docker" "start" "-a" "9b1e906d55bb1b1673f7fef7ebeab7e5091c48d1d26d9ca7146d114ae7705366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b1e906d55bb1b1673f7fef7ebeab7e5091c48d1d26d9ca7146d114ae7705366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b1e906d55bb1b1673f7fef7ebeab7e5091c48d1d26d9ca7146d114ae7705366", kill_on_drop: false }`
[INFO] [stdout] 9b1e906d55bb1b1673f7fef7ebeab7e5091c48d1d26d9ca7146d114ae7705366
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ed5f60fd99a0722d1198c7fd6b0f324034e6d8329c47bf13ee1b1d4ee52c245
[INFO] running `Command { std: "docker" "start" "-a" "0ed5f60fd99a0722d1198c7fd6b0f324034e6d8329c47bf13ee1b1d4ee52c245", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tokio v1.46.1
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking iana-time-zone v0.1.63
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]     Checking polyval v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking uuid v1.17.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking ghash v0.5.1
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking aes-gcm v0.10.3
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking humansize v2.1.3
[INFO] [stderr]     Checking askama_escape v0.10.3
[INFO] [stderr]    Compiling clap_derive v4.5.40
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking humantime v2.2.0
[INFO] [stderr]     Checking http-range-header v0.4.2
[INFO] [stderr]     Checking tungstenite v0.26.2
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]     Checking axum-core v0.5.2
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling askama_parser v0.2.1
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking cookie v0.18.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking tracing-serde v0.2.0
[INFO] [stderr]     Checking serde_path_to_error v0.1.17
[INFO] [stderr]     Checking clap v4.5.40
[INFO] [stderr]    Compiling basic-toml v0.1.10
[INFO] [stderr]     Checking toml_edit v0.22.27
[INFO] [stderr]     Checking tower-cookies v0.11.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling labyrinth_macros v2.0.0
[INFO] [stderr]     Checking cryptify v3.1.1
[INFO] [stderr]     Checking toml v0.8.23
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking hyper v1.6.0
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking tokio-tungstenite v0.26.2
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking tower-http v0.6.6
[INFO] [stderr]     Checking hyper-util v0.1.15
[INFO] [stderr]    Compiling askama_derive v0.12.5
[INFO] [stderr]     Checking axum v0.8.4
[INFO] [stderr]     Checking askama v0.12.1
[INFO] [stderr]     Checking askama_axum v0.3.0
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]     Checking client v0.1.0 (/opt/rustwide/workdir/client)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> client/src/shell.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |             execv(&path, argument).unwrap();
[INFO] [stdout]    |             ------------------------------- any code following this expression is unreachable
[INFO] [stdout] 78 |             unreachable!("Execv should have replaced the program")
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `Infallible`, which is uninhabited
[INFO] [stdout]   --> client/src/shell.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |             execv(&path, argument).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> client/src/client_info.rs:18:29
[INFO] [stdout]    |
[INFO] [stdout] 18 |         .unwrap_or_else(|_| encrypt_string!("127.0.0.1").parse().unwrap())
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> client/src/shell.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |             execv(&path, argument).unwrap();
[INFO] [stdout]    |             ------------------------------- any code following this expression is unreachable
[INFO] [stdout] 78 |             unreachable!("Execv should have replaced the program")
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `Infallible`, which is uninhabited
[INFO] [stdout]   --> client/src/shell.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |             execv(&path, argument).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `client` (bin "client") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> client/src/client_info.rs:18:29
[INFO] [stdout]    |
[INFO] [stdout] 18 |         .unwrap_or_else(|_| encrypt_string!("127.0.0.1").parse().unwrap())
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `client` (bin "client" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "0ed5f60fd99a0722d1198c7fd6b0f324034e6d8329c47bf13ee1b1d4ee52c245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ed5f60fd99a0722d1198c7fd6b0f324034e6d8329c47bf13ee1b1d4ee52c245", kill_on_drop: false }`
[INFO] [stdout] 0ed5f60fd99a0722d1198c7fd6b0f324034e6d8329c47bf13ee1b1d4ee52c245