[INFO] fetching crate roster 0.1.4...
[INFO] checking roster-0.1.4 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate roster 0.1.4 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate roster 0.1.4
[INFO] finished tweaking crates.io crate roster 0.1.4
[INFO] tweaked toml for crates.io crate roster 0.1.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate roster 0.1.4 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate roster 0.1.4 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26a4f56061a6eab119893f4b0fbf6cb278af345fe1c27e449d9097ceed08d2f0
[INFO] running `Command { std: "docker" "start" "-a" "26a4f56061a6eab119893f4b0fbf6cb278af345fe1c27e449d9097ceed08d2f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26a4f56061a6eab119893f4b0fbf6cb278af345fe1c27e449d9097ceed08d2f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26a4f56061a6eab119893f4b0fbf6cb278af345fe1c27e449d9097ceed08d2f0", kill_on_drop: false }`
[INFO] [stdout] 26a4f56061a6eab119893f4b0fbf6cb278af345fe1c27e449d9097ceed08d2f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29ea02c58aef2fb2d0b7c28ead77e79ffe009c7830c9d5f46278b5204bb63427
[INFO] running `Command { std: "docker" "start" "-a" "29ea02c58aef2fb2d0b7c28ead77e79ffe009c7830c9d5f46278b5204bb63427", kill_on_drop: false }`
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[INFO] [stderr]    Compiling roster v0.1.4 (/opt/rustwide/workdir)
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[INFO] [stderr]     Checking config v0.14.0
[INFO] [stdout] warning: feature `negative_impls` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(negative_impls)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `negative_impls` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(negative_impls)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fd`, `current_command`, and `rest_frame` are never read
[INFO] [stdout]   --> src/application/server/handle.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct ConnectionMsg {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 30 |     pub fd: i32,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 31 |     pub current_command: Command,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 32 |     pub rest_frame: Vec<Frame>, // rest_buffer
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConnectionMsg` 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] [stdout] warning: feature `negative_impls` is declared but not used
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(negative_impls)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fd`, `current_command`, and `rest_frame` are never read
[INFO] [stdout]   --> src/application/server/handle.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct ConnectionMsg {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 30 |     pub fd: i32,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 31 |     pub current_command: Command,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 32 |     pub rest_frame: Vec<Frame>, // rest_buffer
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConnectionMsg` 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] [stdout] warning: feature `negative_impls` is declared but not used
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(negative_impls)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "29ea02c58aef2fb2d0b7c28ead77e79ffe009c7830c9d5f46278b5204bb63427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29ea02c58aef2fb2d0b7c28ead77e79ffe009c7830c9d5f46278b5204bb63427", kill_on_drop: false }`
[INFO] [stdout] 29ea02c58aef2fb2d0b7c28ead77e79ffe009c7830c9d5f46278b5204bb63427
