[INFO] fetching crate wascc-httpsrv 0.9.0...
[INFO] checking wascc-httpsrv-0.9.0 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate wascc-httpsrv 0.9.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate wascc-httpsrv 0.9.0 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wascc-httpsrv 0.9.0
[INFO] finished tweaking crates.io crate wascc-httpsrv 0.9.0
[INFO] tweaked toml for crates.io crate wascc-httpsrv 0.9.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 8eb724b7edf025297a1633903fb9bfc985e0b764dccb065a4b3988601fc45301
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8eb724b7edf025297a1633903fb9bfc985e0b764dccb065a4b3988601fc45301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8eb724b7edf025297a1633903fb9bfc985e0b764dccb065a4b3988601fc45301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eb724b7edf025297a1633903fb9bfc985e0b764dccb065a4b3988601fc45301", kill_on_drop: false }`
[INFO] [stdout] 8eb724b7edf025297a1633903fb9bfc985e0b764dccb065a4b3988601fc45301
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 907e996be53d67b7494fa50f723e601a8f77b1995a5a2636ae2a4c6208712833
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "907e996be53d67b7494fa50f723e601a8f77b1995a5a2636ae2a4c6208712833", kill_on_drop: false }`
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[INFO] [stdout] warning: field is never read: `binding`
[INFO] [stdout]   --> src/generated/core.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     binding: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `host`
[INFO] [stdout]   --> src/generated/core.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn host(binding: &str) -> Host {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `default`
[INFO] [stdout]   --> src/generated/core.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn default() -> Host {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Handlers`
[INFO] [stdout]   --> src/generated/core.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct Handlers {}
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `serialize`
[INFO] [stdout]   --> src/generated/core.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn serialize<T>(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deserialize`
[INFO] [stdout]   --> src/generated/core.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub fn deserialize<'de, T: Deserialize<'de>>(
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `binding`
[INFO] [stdout]   --> src/generated/http.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     binding: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `host`
[INFO] [stdout]   --> src/generated/http.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn host(binding: &str) -> Host {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `default`
[INFO] [stdout]   --> src/generated/http.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn default() -> Host {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Handlers`
[INFO] [stdout]   --> src/generated/http.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct Handlers {}
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `serialize`
[INFO] [stdout]   --> src/generated/http.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn serialize<T>(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deserialize`
[INFO] [stdout]   --> src/generated/http.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn deserialize<'de, T: Deserialize<'de>>(
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `binding`
[INFO] [stdout]   --> src/generated/core.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     binding: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `host`
[INFO] [stdout]   --> src/generated/core.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn host(binding: &str) -> Host {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `default`
[INFO] [stdout]   --> src/generated/core.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn default() -> Host {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Handlers`
[INFO] [stdout]   --> src/generated/core.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct Handlers {}
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `serialize`
[INFO] [stdout]   --> src/generated/core.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn serialize<T>(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deserialize`
[INFO] [stdout]   --> src/generated/core.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub fn deserialize<'de, T: Deserialize<'de>>(
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `binding`
[INFO] [stdout]   --> src/generated/http.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     binding: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `host`
[INFO] [stdout]   --> src/generated/http.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn host(binding: &str) -> Host {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `default`
[INFO] [stdout]   --> src/generated/http.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn default() -> Host {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Handlers`
[INFO] [stdout]   --> src/generated/http.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct Handlers {}
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `serialize`
[INFO] [stdout]   --> src/generated/http.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn serialize<T>(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `deserialize`
[INFO] [stdout]   --> src/generated/http.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn deserialize<'de, T: Deserialize<'de>>(
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 27s
[INFO] running `Command { std: "docker" "inspect" "907e996be53d67b7494fa50f723e601a8f77b1995a5a2636ae2a4c6208712833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "907e996be53d67b7494fa50f723e601a8f77b1995a5a2636ae2a4c6208712833", kill_on_drop: false }`
[INFO] [stdout] 907e996be53d67b7494fa50f723e601a8f77b1995a5a2636ae2a4c6208712833