[INFO] fetching crate fcm-push-listener 4.1.1...
[INFO] checking fcm-push-listener-4.1.1 against master#c290daa1e5274a52e54a0f49e31bd70192abc606 for pr-133502-23
[INFO] extracting crate fcm-push-listener 4.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate fcm-push-listener 4.1.1
[INFO] finished tweaking crates.io crate fcm-push-listener 4.1.1
[INFO] tweaked toml for crates.io crate fcm-push-listener 4.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fcm-push-listener 4.1.1 on toolchain c290daa1e5274a52e54a0f49e31bd70192abc606
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fcm-push-listener 4.1.1 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" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.2.54
[INFO] [stderr]   Downloaded ece v2.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2e000c0e00cc9ed17a2ef5cfe3376bac5c1e84fdc5d966677f33c71724bf2316
[INFO] running `Command { std: "docker" "start" "2e000c0e00cc9ed17a2ef5cfe3376bac5c1e84fdc5d966677f33c71724bf2316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e000c0e00cc9ed17a2ef5cfe3376bac5c1e84fdc5d966677f33c71724bf2316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2e000c0e00cc9ed17a2ef5cfe3376bac5c1e84fdc5d966677f33c71724bf2316" "/opt/rustwide/cargo-home/bin/cargo" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e000c0e00cc9ed17a2ef5cfe3376bac5c1e84fdc5d966677f33c71724bf2316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2e000c0e00cc9ed17a2ef5cfe3376bac5c1e84fdc5d966677f33c71724bf2316" "/opt/rustwide/cargo-home/bin/cargo" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
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[INFO] [stderr]     Checking tower v0.5.3
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[INFO] [stderr]    Compiling fcm-push-listener v4.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking ece v2.3.1
[INFO] [stderr]     Checking h2 v0.4.13
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[INFO] [stdout] warning: struct `Close` is never constructed
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/fcm-push-listener-536835f7d3fcab4e/out/mcs_proto.rs:257:12
[INFO] [stdout]     |
[INFO] [stdout] 257 | pub struct Close {}
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StreamAck` is never constructed
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/fcm-push-listener-536835f7d3fcab4e/out/mcs_proto.rs:424:12
[INFO] [stdout]     |
[INFO] [stdout] 424 | pub struct StreamAck {}
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SelectiveAck` is never constructed
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/fcm-push-listener-536835f7d3fcab4e/out/mcs_proto.rs:428:12
[INFO] [stdout]     |
[INFO] [stdout] 428 | pub struct SelectiveAck {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Close` is never constructed
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/fcm-push-listener-536835f7d3fcab4e/out/mcs_proto.rs:257:12
[INFO] [stdout]     |
[INFO] [stdout] 257 | pub struct Close {}
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StreamAck` is never constructed
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/fcm-push-listener-536835f7d3fcab4e/out/mcs_proto.rs:424:12
[INFO] [stdout]     |
[INFO] [stdout] 424 | pub struct StreamAck {}
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SelectiveAck` is never constructed
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/fcm-push-listener-536835f7d3fcab4e/out/mcs_proto.rs:428:12
[INFO] [stdout]     |
[INFO] [stdout] 428 | pub struct SelectiveAck {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 12s
[INFO] running `Command { std: "docker" "inspect" "2e000c0e00cc9ed17a2ef5cfe3376bac5c1e84fdc5d966677f33c71724bf2316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e000c0e00cc9ed17a2ef5cfe3376bac5c1e84fdc5d966677f33c71724bf2316", kill_on_drop: false }`
[INFO] [stdout] 2e000c0e00cc9ed17a2ef5cfe3376bac5c1e84fdc5d966677f33c71724bf2316
