[INFO] fetching crate tchannel_rs 0.0.2...
[INFO] checking tchannel_rs-0.0.2 against try#77ee4623672f6bca3e33ba60b6479de48d44b1f9 for pr-99217
[INFO] extracting crate tchannel_rs 0.0.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tchannel_rs 0.0.2 on toolchain 77ee4623672f6bca3e33ba60b6479de48d44b1f9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tchannel_rs 0.0.2
[INFO] finished tweaking crates.io crate tchannel_rs 0.0.2
[INFO] tweaked toml for crates.io crate tchannel_rs 0.0.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate tchannel_rs 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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_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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0aa6322aee6b00cc9dd1af35c4aeab6f87842c4bb9b4b8341d0a7423b6781a61
[INFO] running `Command { std: "docker" "start" "-a" "0aa6322aee6b00cc9dd1af35c4aeab6f87842c4bb9b4b8341d0a7423b6781a61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0aa6322aee6b00cc9dd1af35c4aeab6f87842c4bb9b4b8341d0a7423b6781a61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aa6322aee6b00cc9dd1af35c4aeab6f87842c4bb9b4b8341d0a7423b6781a61", kill_on_drop: false }`
[INFO] [stdout] 0aa6322aee6b00cc9dd1af35c4aeab6f87842c4bb9b4b8341d0a7423b6781a61
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4ab783b42f175d8f9665de94c787e540b0f649de80c9afd54001ca535ac936e
[INFO] running `Command { std: "docker" "start" "-a" "a4ab783b42f175d8f9665de94c787e540b0f649de80c9afd54001ca535ac936e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
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[INFO] [stderr]     Checking tchannel_rs v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `HandlerResult`, `RequestHandler`
[INFO] [stdout]  --> tests/json.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tchannel_rs::handler::{HandlerResult, RequestHandler};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tchannel_rs::messages::MessageChannel`
[INFO] [stdout]  --> tests/json.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tchannel_rs::messages::MessageChannel;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tchannel_rs::Config`
[INFO] [stdout]  --> tests/json.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tchannel_rs::Config;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TChannel`, `TResult`
[INFO] [stdout]  --> tests/json.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tchannel_rs::{TChannel, TResult};
[INFO] [stdout]   |                   ^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LOCAL_SERVER` is never used
[INFO] [stdout]   --> tests/json.rs:87:7
[INFO] [stdout]    |
[INFO] [stdout] 87 | const LOCAL_SERVER: &str = "127.0.0.1:8888";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `Command { std: "docker" "inspect" "a4ab783b42f175d8f9665de94c787e540b0f649de80c9afd54001ca535ac936e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4ab783b42f175d8f9665de94c787e540b0f649de80c9afd54001ca535ac936e", kill_on_drop: false }`
[INFO] [stdout] a4ab783b42f175d8f9665de94c787e540b0f649de80c9afd54001ca535ac936e