[INFO] fetching crate shreddit 0.9.2...
[INFO] checking shreddit-0.9.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate shreddit 0.9.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate shreddit 0.9.2 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shreddit 0.9.2
[INFO] finished tweaking crates.io crate shreddit 0.9.2
[INFO] tweaked toml for crates.io crate shreddit 0.9.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate shreddit 0.9.2 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b0c8be00d7853af8d185a09bcc5bcfac0348341dab48bf8e580b6dd8a9b0717
[INFO] running `Command { std: "docker" "start" "-a" "5b0c8be00d7853af8d185a09bcc5bcfac0348341dab48bf8e580b6dd8a9b0717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b0c8be00d7853af8d185a09bcc5bcfac0348341dab48bf8e580b6dd8a9b0717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b0c8be00d7853af8d185a09bcc5bcfac0348341dab48bf8e580b6dd8a9b0717", kill_on_drop: false }`
[INFO] [stdout] 5b0c8be00d7853af8d185a09bcc5bcfac0348341dab48bf8e580b6dd8a9b0717
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82bce4c144a5054dce687dff187a393a85ed554974b3a232a97c834a3c8f49c1
[INFO] running `Command { std: "docker" "start" "-a" "82bce4c144a5054dce687dff187a393a85ed554974b3a232a97c834a3c8f49c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.68
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling rustls v0.21.7
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]     Checking base64 v0.21.4
[INFO] [stderr]     Checking clap_builder v4.4.6
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking ipnet v2.8.0
[INFO] [stderr]     Checking webpki-roots v0.25.2
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]     Checking dotenvy v0.15.7
[INFO] [stderr]     Checking rustls-pemfile v1.0.3
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking regex-automata v0.3.9
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking regex v1.9.6
[INFO] [stderr]     Checking rustls-webpki v0.101.6
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking clap v4.4.6
[INFO] [stderr]     Checking tokio-util v0.7.9
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-rustls v0.24.1
[INFO] [stderr]     Checking reqwest v0.11.22
[INFO] [stderr]     Checking shreddit v0.9.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `after` and `before` are never read
[INFO] [stdout]    --> src/things/comment.rs:357:9
[INFO] [stdout]     |
[INFO] [stdout] 355 | pub struct ResponseData {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 356 |     pub children: Vec<Child>,
[INFO] [stdout] 357 |     pub after: Option<String>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 358 |     pub before: Option<String>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ResponseData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `after` and `before` are never read
[INFO] [stdout]    --> src/things/comment.rs:357:9
[INFO] [stdout]     |
[INFO] [stdout] 355 | pub struct ResponseData {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 356 |     pub children: Vec<Child>,
[INFO] [stdout] 357 |     pub after: Option<String>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 358 |     pub before: Option<String>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ResponseData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.58s
[INFO] running `Command { std: "docker" "inspect" "82bce4c144a5054dce687dff187a393a85ed554974b3a232a97c834a3c8f49c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82bce4c144a5054dce687dff187a393a85ed554974b3a232a97c834a3c8f49c1", kill_on_drop: false }`
[INFO] [stdout] 82bce4c144a5054dce687dff187a393a85ed554974b3a232a97c834a3c8f49c1