[INFO] fetching crate yml_to_ron 0.1.0...
[INFO] testing yml_to_ron-0.1.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate yml_to_ron 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate yml_to_ron 0.1.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yml_to_ron 0.1.0
[INFO] finished tweaking crates.io crate yml_to_ron 0.1.0
[INFO] tweaked toml for crates.io crate yml_to_ron 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate yml_to_ron 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfa0b9b713788583970561ca21b43defe91dfee08c7512c16e3f23229f1f0171
[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" "cfa0b9b713788583970561ca21b43defe91dfee08c7512c16e3f23229f1f0171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfa0b9b713788583970561ca21b43defe91dfee08c7512c16e3f23229f1f0171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfa0b9b713788583970561ca21b43defe91dfee08c7512c16e3f23229f1f0171", kill_on_drop: false }`
[INFO] [stdout] cfa0b9b713788583970561ca21b43defe91dfee08c7512c16e3f23229f1f0171
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b335d33e70c9f75ef0b65c620258acd17ab7694f8e9aa4d3880d46c69be78002
[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" "b335d33e70c9f75ef0b65c620258acd17ab7694f8e9aa4d3880d46c69be78002", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling serde_test v1.0.124
[INFO] [stderr]    Compiling ron v0.6.4
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling yml_to_ron v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `to_string_pretty`, `to_writer`
[INFO] [stdout]  --> src/main.rs:7:30
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ron::ser::{PrettyConfig, to_string_pretty, to_writer, to_writer_pretty};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serializer`
[INFO] [stdout]  --> src/main.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | use serde::{Serialize, Serializer};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::YamlSerialize::BadValue`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::YamlSerialize::BadValue;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.18s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b335d33e70c9f75ef0b65c620258acd17ab7694f8e9aa4d3880d46c69be78002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b335d33e70c9f75ef0b65c620258acd17ab7694f8e9aa4d3880d46c69be78002", kill_on_drop: false }`
[INFO] [stdout] b335d33e70c9f75ef0b65c620258acd17ab7694f8e9aa4d3880d46c69be78002
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cc8b74a2e48031c89a95264cdc7087fb6c70b1c2fb5cbb4599563b2de6c23ed
[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" "2cc8b74a2e48031c89a95264cdc7087fb6c70b1c2fb5cbb4599563b2de6c23ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling yml_to_ron v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `to_string_pretty`, `to_writer`
[INFO] [stdout]  --> src/main.rs:7:30
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ron::ser::{PrettyConfig, to_string_pretty, to_writer, to_writer_pretty};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serializer`
[INFO] [stdout]  --> src/main.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | use serde::{Serialize, Serializer};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::YamlSerialize::BadValue`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::YamlSerialize::BadValue;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "2cc8b74a2e48031c89a95264cdc7087fb6c70b1c2fb5cbb4599563b2de6c23ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cc8b74a2e48031c89a95264cdc7087fb6c70b1c2fb5cbb4599563b2de6c23ed", kill_on_drop: false }`
[INFO] [stdout] 2cc8b74a2e48031c89a95264cdc7087fb6c70b1c2fb5cbb4599563b2de6c23ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b7006c69948b5e73aa407c13ecc59377a56bc99ac4bbc3d56503bd411ad5ffac
[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" "b7006c69948b5e73aa407c13ecc59377a56bc99ac4bbc3d56503bd411ad5ffac", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `to_string_pretty`, `to_writer`
[INFO] [stderr]  --> src/main.rs:7:30
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ron::ser::{PrettyConfig, to_string_pretty, to_writer, to_writer_pretty};
[INFO] [stderr]   |                              ^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Serializer`
[INFO] [stderr]  --> src/main.rs:9:24
[INFO] [stderr]   |
[INFO] [stderr] 9 | use serde::{Serialize, Serializer};
[INFO] [stderr]   |                        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::YamlSerialize::BadValue`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::YamlSerialize::BadValue;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yron-b58faa1572440b2f)
[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" "b7006c69948b5e73aa407c13ecc59377a56bc99ac4bbc3d56503bd411ad5ffac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7006c69948b5e73aa407c13ecc59377a56bc99ac4bbc3d56503bd411ad5ffac", kill_on_drop: false }`
[INFO] [stdout] b7006c69948b5e73aa407c13ecc59377a56bc99ac4bbc3d56503bd411ad5ffac