[INFO] cloning repository https://github.com/MaybeJustJames/please-explain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MaybeJustJames/please-explain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaybeJustJames%2Fplease-explain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaybeJustJames%2Fplease-explain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9613df4e5378784e0ad35d9df489c0c2a8fa058a
[INFO] checking MaybeJustJames/please-explain against master#18a6d911caba59605eb03db1452848a85d2e5879 for pr-112743
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaybeJustJames%2Fplease-explain" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MaybeJustJames/please-explain on toolchain 18a6d911caba59605eb03db1452848a85d2e5879
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MaybeJustJames/please-explain
[INFO] finished tweaking git repo https://github.com/MaybeJustJames/please-explain
[INFO] tweaked toml for git repo https://github.com/MaybeJustJames/please-explain written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MaybeJustJames/please-explain 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" "+18a6d911caba59605eb03db1452848a85d2e5879" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hyper v0.14.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93d29ca271a19f69c9b41c57c221729fcfe1a85e326ce667ddb0e0fe15020693
[INFO] running `Command { std: "docker" "start" "-a" "93d29ca271a19f69c9b41c57c221729fcfe1a85e326ce667ddb0e0fe15020693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93d29ca271a19f69c9b41c57c221729fcfe1a85e326ce667ddb0e0fe15020693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93d29ca271a19f69c9b41c57c221729fcfe1a85e326ce667ddb0e0fe15020693", kill_on_drop: false }`
[INFO] [stdout] 93d29ca271a19f69c9b41c57c221729fcfe1a85e326ce667ddb0e0fe15020693
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b61c7be012777f551813bc8a061f2ef2a0e8276cf342552db87205635d29639
[INFO] running `Command { std: "docker" "start" "-a" "4b61c7be012777f551813bc8a061f2ef2a0e8276cf342552db87205635d29639", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cc v1.0.74
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling openssl v0.10.42
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.87
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling openssl-sys v0.9.77
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking num_cpus v1.14.0
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]     Checking tokio-util v0.7.4
[INFO] [stderr]     Checking h2 v0.3.15
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking hyper v0.14.22
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.12
[INFO] [stderr]     Checking codex-explain v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `index`, `logprobs`, and `finish_reason` are never read
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Completion {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 10 |     text: String,
[INFO] [stdout] 11 |     index: u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 12 |     logprobs: Option<f32>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 13 |     finish_reason: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `index`, `logprobs`, and `finish_reason` are never read
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Completion {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 10 |     text: String,
[INFO] [stdout] 11 |     index: u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 12 |     logprobs: Option<f32>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 13 |     finish_reason: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `prompt_tokens`, `completion_tokens`, and `total_tokens` are never read
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Usage {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 18 |     prompt_tokens: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 19 |     completion_tokens: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 20 |     total_tokens: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `prompt_tokens`, `completion_tokens`, and `total_tokens` are never read
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Usage {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 18 |     prompt_tokens: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 19 |     completion_tokens: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 20 |     total_tokens: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `object`, `created`, `model`, and `usage` are never read
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct CompletionResponse {
[INFO] [stdout]    |        ------------------ fields in this struct
[INFO] [stdout] 25 |     id: String,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 26 |     object: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 27 |     created: u64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 28 |     model: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 29 |     choices: Vec<Completion>,
[INFO] [stdout] 30 |     usage: Usage,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `object`, `created`, `model`, and `usage` are never read
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct CompletionResponse {
[INFO] [stdout]    |        ------------------ fields in this struct
[INFO] [stdout] 25 |     id: String,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 26 |     object: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 27 |     created: u64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 28 |     model: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 29 |     choices: Vec<Completion>,
[INFO] [stdout] 30 |     usage: Usage,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.88s
[INFO] running `Command { std: "docker" "inspect" "4b61c7be012777f551813bc8a061f2ef2a0e8276cf342552db87205635d29639", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b61c7be012777f551813bc8a061f2ef2a0e8276cf342552db87205635d29639", kill_on_drop: false }`
[INFO] [stdout] 4b61c7be012777f551813bc8a061f2ef2a0e8276cf342552db87205635d29639