[INFO] fetching crate mio-gate 0.1.2...
[INFO] testing mio-gate-0.1.2 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate mio-gate 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate mio-gate 0.1.2
[INFO] finished tweaking crates.io crate mio-gate 0.1.2
[INFO] tweaked toml for crates.io crate mio-gate 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mio-gate 0.1.2 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding mio v0.8.11 (available: v1.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 735a483e29499fca305824ba7c46bd8aa950479e03e086b465a1a26e6587e371
[INFO] running `Command { std: "docker" "start" "-a" "735a483e29499fca305824ba7c46bd8aa950479e03e086b465a1a26e6587e371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "735a483e29499fca305824ba7c46bd8aa950479e03e086b465a1a26e6587e371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "735a483e29499fca305824ba7c46bd8aa950479e03e086b465a1a26e6587e371", kill_on_drop: false }`
[INFO] [stdout] 735a483e29499fca305824ba7c46bd8aa950479e03e086b465a1a26e6587e371
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 067abb6f313d141d4328980583b083464bc6c1aada49675182c2d469711e3933
[INFO] running `Command { std: "docker" "start" "-a" "067abb6f313d141d4328980583b083464bc6c1aada49675182c2d469711e3933", kill_on_drop: false }`
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling mio-gate v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/server/line.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct  Line {
[INFO] [stdout]    |             ---- field in this struct
[INFO] [stdout] 14 |     id:u64,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Line` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "067abb6f313d141d4328980583b083464bc6c1aada49675182c2d469711e3933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "067abb6f313d141d4328980583b083464bc6c1aada49675182c2d469711e3933", kill_on_drop: false }`
[INFO] [stdout] 067abb6f313d141d4328980583b083464bc6c1aada49675182c2d469711e3933
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16e11daf666fbb79b0683b27e695a0d7c5eafed81176f47d05b8f158c7e0174d
[INFO] running `Command { std: "docker" "start" "-a" "16e11daf666fbb79b0683b27e695a0d7c5eafed81176f47d05b8f158c7e0174d", kill_on_drop: false }`
[INFO] [stderr]    Compiling mio-gate v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/server/line.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct  Line {
[INFO] [stdout]    |             ---- field in this struct
[INFO] [stdout] 14 |     id:u64,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Line` 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: field `id` is never read
[INFO] [stdout]   --> src/server/line.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct  Line {
[INFO] [stdout]    |             ---- field in this struct
[INFO] [stdout] 14 |     id:u64,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Line` 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "16e11daf666fbb79b0683b27e695a0d7c5eafed81176f47d05b8f158c7e0174d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16e11daf666fbb79b0683b27e695a0d7c5eafed81176f47d05b8f158c7e0174d", kill_on_drop: false }`
[INFO] [stdout] 16e11daf666fbb79b0683b27e695a0d7c5eafed81176f47d05b8f158c7e0174d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d946f0cd694dca97564bdd7a5e10ed6c97b54996f8bcdf214ff8ae211d18bf16
[INFO] running `Command { std: "docker" "start" "-a" "d946f0cd694dca97564bdd7a5e10ed6c97b54996f8bcdf214ff8ae211d18bf16", kill_on_drop: false }`
[INFO] [stderr] warning: field `id` is never read
[INFO] [stderr]   --> src/server/line.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct  Line {
[INFO] [stderr]    |             ---- field in this struct
[INFO] [stderr] 14 |     id:u64,
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Line` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mio-gate` (lib) generated 1 warning
[INFO] [stderr] warning: `mio-gate` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mio_gate-68a170c8e4ce75f2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests mio_gate
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d946f0cd694dca97564bdd7a5e10ed6c97b54996f8bcdf214ff8ae211d18bf16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d946f0cd694dca97564bdd7a5e10ed6c97b54996f8bcdf214ff8ae211d18bf16", kill_on_drop: false }`
[INFO] [stdout] d946f0cd694dca97564bdd7a5e10ed6c97b54996f8bcdf214ff8ae211d18bf16