[INFO] fetching crate showdown 0.26.0...
[INFO] building showdown-0.26.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate showdown 0.26.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate showdown 0.26.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate showdown 0.26.0
[INFO] tweaked toml for crates.io crate showdown 0.26.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate showdown 0.26.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate showdown 0.26.0 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.48
[INFO] [stderr]   Downloaded tokio-tungstenite v0.20.0
[INFO] [stderr]   Downloaded thiserror v1.0.48
[INFO] [stderr]   Downloaded time-macros v0.2.14
[INFO] [stderr]   Downloaded tungstenite v0.20.0
[INFO] [stderr]   Downloaded comparator v0.3.0
[INFO] [stderr]   Downloaded rustls-webpki v0.100.3
[INFO] [stderr]   Downloaded time-core v0.1.1
[INFO] [stderr]   Downloaded data-encoding v2.4.0
[INFO] [stderr]   Downloaded hyper-rustls v0.24.1
[INFO] [stderr]   Downloaded deranged v0.3.8
[INFO] [stderr]   Downloaded tempfile v3.8.0
[INFO] [stderr]   Downloaded rustls-pemfile v1.0.3
[INFO] [stderr]   Downloaded memchr v2.6.3
[INFO] [stderr]   Downloaded socket2 v0.5.4
[INFO] [stderr]   Downloaded serde_derive v1.0.188
[INFO] [stderr]   Downloaded base64 v0.21.4
[INFO] [stderr]   Downloaded serde v1.0.188
[INFO] [stderr]   Downloaded syn v2.0.36
[INFO] [stderr]   Downloaded rustls-webpki v0.101.5
[INFO] [stderr]   Downloaded time v0.3.28
[INFO] [stderr]   Downloaded reqwest v0.11.20
[INFO] [stderr]   Downloaded webpki-roots v0.23.1
[INFO] [stderr]   Downloaded rustls v0.21.7
[INFO] [stderr]   Downloaded rustix v0.38.13
[INFO] [stderr]   Downloaded tokio v1.32.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.7
[INFO] [stderr]   Downloaded openssl-src v300.1.3+3.1.2
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7946b5924c40b2e451071dd62417a6886dfa4e4cd5d5b1399611e967f4fdab2d
[INFO] running `Command { std: "docker" "start" "-a" "7946b5924c40b2e451071dd62417a6886dfa4e4cd5d5b1399611e967f4fdab2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7946b5924c40b2e451071dd62417a6886dfa4e4cd5d5b1399611e967f4fdab2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7946b5924c40b2e451071dd62417a6886dfa4e4cd5d5b1399611e967f4fdab2d", kill_on_drop: false }`
[INFO] [stdout] 7946b5924c40b2e451071dd62417a6886dfa4e4cd5d5b1399611e967f4fdab2d
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad4d7edd194628454611afb6635c9b5c9bdc55d2b11927a14db38d274821c644
[INFO] running `Command { std: "docker" "start" "-a" "ad4d7edd194628454611afb6635c9b5c9bdc55d2b11927a14db38d274821c644", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling data-encoding v2.4.0
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling encoding_rs v0.8.33
[INFO] [stderr]    Compiling base64 v0.21.4
[INFO] [stderr]    Compiling ipnet v2.8.0
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling syn v2.0.36
[INFO] [stderr]    Compiling url v2.4.1
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha1 v0.10.5
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling socket2 v0.5.4
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling tokio v1.32.0
[INFO] [stderr]    Compiling tungstenite v0.20.0
[INFO] [stderr]    Compiling tokio-util v0.7.8
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling tokio-tungstenite v0.20.0
[INFO] [stderr]    Compiling h2 v0.3.21
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling hyper v0.14.27
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.20
[INFO] [stderr]    Compiling showdown v0.26.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/message.rs:451:36
[INFO] [stdout]     |
[INFO] [stdout] 451 | pub struct UnrecognizedMessage<'a>(&'a str);
[INFO] [stdout]     |            -------------------     ^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `UnrecognizedMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.35s
[INFO] running `Command { std: "docker" "inspect" "ad4d7edd194628454611afb6635c9b5c9bdc55d2b11927a14db38d274821c644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad4d7edd194628454611afb6635c9b5c9bdc55d2b11927a14db38d274821c644", kill_on_drop: false }`
[INFO] [stdout] ad4d7edd194628454611afb6635c9b5c9bdc55d2b11927a14db38d274821c644
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7587d2abefbfce4499b97470288da4d37e1ab9e6ffb3bd8b39ae4203566e24b2
[INFO] running `Command { std: "docker" "start" "-a" "7587d2abefbfce4499b97470288da4d37e1ab9e6ffb3bd8b39ae4203566e24b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]    Compiling futures-executor v0.3.28
[INFO] [stderr]    Compiling deranged v0.3.8
[INFO] [stderr]    Compiling comparator v0.3.0
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/message.rs:451:36
[INFO] [stdout]     |
[INFO] [stdout] 451 | pub struct UnrecognizedMessage<'a>(&'a str);
[INFO] [stdout]     |            -------------------     ^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `UnrecognizedMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling time-macros v0.2.14
[INFO] [stderr]    Compiling futures v0.3.28
[INFO] [stderr]    Compiling time v0.3.28
[INFO] [stderr]    Compiling showdown v0.26.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/message.rs:451:36
[INFO] [stdout]     |
[INFO] [stdout] 451 | pub struct UnrecognizedMessage<'a>(&'a str);
[INFO] [stdout]     |            -------------------     ^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `UnrecognizedMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.03s
[INFO] running `Command { std: "docker" "inspect" "7587d2abefbfce4499b97470288da4d37e1ab9e6ffb3bd8b39ae4203566e24b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7587d2abefbfce4499b97470288da4d37e1ab9e6ffb3bd8b39ae4203566e24b2", kill_on_drop: false }`
[INFO] [stdout] 7587d2abefbfce4499b97470288da4d37e1ab9e6ffb3bd8b39ae4203566e24b2