[INFO] fetching crate canary 0.3.3...
[INFO] checking canary-0.3.3 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate canary 0.3.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate canary 0.3.3
[INFO] finished tweaking crates.io crate canary 0.3.3
[INFO] tweaked toml for crates.io crate canary 0.3.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate canary 0.3.3 on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 250 packages to latest compatible versions
[INFO] [stderr]       Adding async-tungstenite v0.17.2 (available: v0.34.1)
[INFO] [stderr]       Adding bincode v1.3.3 (available: v3.0.0)
[INFO] [stderr]       Adding bson v2.15.0 (available: v3.1.0)
[INFO] [stderr]       Adding compact_str v0.5.2 (available: v0.9.0)
[INFO] [stderr]       Adding derive_more v0.99.20 (available: v2.1.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding getrandom v0.2.17 (available: v0.4.2)
[INFO] [stderr]       Adding quinn v0.8.5 (available: v0.11.9)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] [stderr]       Adding snow v0.9.6 (available: v0.10.0)
[INFO] [stderr]       Adding tungstenite v0.17.3 (available: v0.29.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e074475275b5bc2c371c6f00139a9d648c442b449c1939300b34a334af828b8
[INFO] running `Command { std: "docker" "start" "-a" "1e074475275b5bc2c371c6f00139a9d648c442b449c1939300b34a334af828b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e074475275b5bc2c371c6f00139a9d648c442b449c1939300b34a334af828b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e074475275b5bc2c371c6f00139a9d648c442b449c1939300b34a334af828b8", kill_on_drop: false }`
[INFO] [stdout] 1e074475275b5bc2c371c6f00139a9d648c442b449c1939300b34a334af828b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87c916685d7ce001e9d39e1ba2c2baf5b7e3f0d9ebe42bd83b98416065ef2f2d
[INFO] running `Command { std: "docker" "start" "-a" "87c916685d7ce001e9d39e1ba2c2baf5b7e3f0d9ebe42bd83b98416065ef2f2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]    Compiling rustls v0.20.9
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking openssl-probe v0.1.6
[INFO] [stderr]     Checking rustls-pemfile v0.2.1
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]    Compiling snow v0.9.6
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking rustls-native-certs v0.6.3
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking time-core v0.1.8
[INFO] [stderr]     Checking cobs v0.3.0
[INFO] [stderr]     Checking uuid v1.23.1
[INFO] [stderr]     Checking castaway v0.2.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking polyval v0.6.2
[INFO] [stderr]     Checking poly1305 v0.8.0
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]     Checking ghash v0.5.1
[INFO] [stderr]     Checking chacha20 v0.9.1
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking serde_bytes v0.11.19
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking tungstenite v0.17.3
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]     Checking compact_str v0.5.2
[INFO] [stderr]     Checking backoff v0.4.0
[INFO] [stderr]     Checking chacha20poly1305 v0.10.1
[INFO] [stderr]     Checking io_err v0.1.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking aes-gcm v0.10.3
[INFO] [stderr]     Checking postcard v1.1.3
[INFO] [stderr]     Checking rmp v0.8.15
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]     Checking rmp-serde v1.3.1
[INFO] [stderr]     Checking futures-executor v0.3.32
[INFO] [stderr]     Checking async-tungstenite v0.17.2
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]     Checking bson v2.15.0
[INFO] [stderr]     Checking webpki v0.22.4
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking quinn-proto v0.8.4
[INFO] [stderr]     Checking quinn-udp v0.1.4
[INFO] [stderr]     Checking quinn v0.8.5
[INFO] [stderr]     Checking canary v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `Tx` is never constructed
[INFO] [stdout]    --> src/type_iter.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 134 | pub struct Tx<T>(T);
[INFO] [stdout]     |            ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Rx` is never constructed
[INFO] [stdout]    --> src/type_iter.rs:136:12
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub struct Rx<T>(T);
[INFO] [stdout]     |            ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `canary` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `Tx` is never constructed
[INFO] [stdout]    --> src/type_iter.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 134 | pub struct Tx<T>(T);
[INFO] [stdout]     |            ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Rx` is never constructed
[INFO] [stdout]    --> src/type_iter.rs:136:12
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub struct Rx<T>(T);
[INFO] [stdout]     |            ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `canary` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "87c916685d7ce001e9d39e1ba2c2baf5b7e3f0d9ebe42bd83b98416065ef2f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c916685d7ce001e9d39e1ba2c2baf5b7e3f0d9ebe42bd83b98416065ef2f2d", kill_on_drop: false }`
[INFO] [stdout] 87c916685d7ce001e9d39e1ba2c2baf5b7e3f0d9ebe42bd83b98416065ef2f2d
