[INFO] fetching crate yolol-runner 0.2.2...
[INFO] testing yolol-runner-0.2.2 against 1.60.0 for beta-1.61-1
[INFO] extracting crate yolol-runner 0.2.2 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate yolol-runner 0.2.2 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yolol-runner 0.2.2
[INFO] finished tweaking crates.io crate yolol-runner 0.2.2
[INFO] tweaked toml for crates.io crate yolol-runner 0.2.2 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum_dispatch v0.3.8
[INFO] [stderr]   Downloaded concat-idents v1.1.3
[INFO] [stderr]   Downloaded peg-macros v0.7.0
[INFO] [stderr]   Downloaded peg-runtime v0.7.0
[INFO] [stderr]   Downloaded peg v0.7.0
[INFO] [stderr]   Downloaded yolol-devices v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6637a10fefedfe9da780d6acc54e5a4e2eac34330b4c798896033343e74a809a
[INFO] running `Command { std: "docker" "start" "-a" "6637a10fefedfe9da780d6acc54e5a4e2eac34330b4c798896033343e74a809a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6637a10fefedfe9da780d6acc54e5a4e2eac34330b4c798896033343e74a809a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6637a10fefedfe9da780d6acc54e5a4e2eac34330b4c798896033343e74a809a", kill_on_drop: false }`
[INFO] [stdout] 6637a10fefedfe9da780d6acc54e5a4e2eac34330b4c798896033343e74a809a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3c00fbbc93541df52db44768ab5109a53de533029975c3f80c35e0270b79658
[INFO] running `Command { std: "docker" "start" "-a" "f3c00fbbc93541df52db44768ab5109a53de533029975c3f80c35e0270b79658", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling peg-runtime v0.7.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling peg-macros v0.7.0
[INFO] [stderr]    Compiling peg v0.7.0
[INFO] [stderr]    Compiling concat-idents v1.1.3
[INFO] [stderr]    Compiling enum_dispatch v0.3.8
[INFO] [stderr]    Compiling yolol-devices v0.3.3
[INFO] [stderr]    Compiling yolol-runner v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Empty`
[INFO] [stdout]  --> src/ast.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Empty,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Tree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/ast.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]   |          ^^^^^             ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Error`
[INFO] [stdout]  --> src/ast.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Error,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Tree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/ast.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]   |          ^^^^^             ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.01s
[INFO] running `Command { std: "docker" "inspect" "f3c00fbbc93541df52db44768ab5109a53de533029975c3f80c35e0270b79658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3c00fbbc93541df52db44768ab5109a53de533029975c3f80c35e0270b79658", kill_on_drop: false }`
[INFO] [stdout] f3c00fbbc93541df52db44768ab5109a53de533029975c3f80c35e0270b79658
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cce3f497e40b8037898de96e72a84cf36c9dcfd888524c10fe55e0c5aa5f4490
[INFO] running `Command { std: "docker" "start" "-a" "cce3f497e40b8037898de96e72a84cf36c9dcfd888524c10fe55e0c5aa5f4490", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: variant is never constructed: `Empty`
[INFO] [stdout]  --> src/ast.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Empty,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Tree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/ast.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]   |          ^^^^^             ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling yolol-runner v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Error`
[INFO] [stdout]  --> src/ast.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Error,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Tree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/ast.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]   |          ^^^^^             ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Empty`
[INFO] [stdout]  --> src/ast.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Empty,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Tree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/ast.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]   |          ^^^^^             ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Error`
[INFO] [stdout]  --> src/ast.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Error,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Tree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/ast.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]   |          ^^^^^             ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "cce3f497e40b8037898de96e72a84cf36c9dcfd888524c10fe55e0c5aa5f4490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cce3f497e40b8037898de96e72a84cf36c9dcfd888524c10fe55e0c5aa5f4490", kill_on_drop: false }`
[INFO] [stdout] cce3f497e40b8037898de96e72a84cf36c9dcfd888524c10fe55e0c5aa5f4490
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 57a459235c461e56a7f0c2765cf5b6ce07c23f7cb846588788216eb6731f4835
[INFO] running `Command { std: "docker" "start" "-a" "57a459235c461e56a7f0c2765cf5b6ce07c23f7cb846588788216eb6731f4835", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `Empty`
[INFO] [stderr]  --> src/ast.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Empty,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Tree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/ast.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[derive(Debug, PartialEq, Clone)]
[INFO] [stderr]   |          ^^^^^             ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Error`
[INFO] [stderr]  --> src/ast.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Error,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `Tree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/ast.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[derive(Debug, PartialEq, Clone)]
[INFO] [stderr]   |          ^^^^^             ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `yolol-runner` (lib) generated 2 warnings
[INFO] [stderr] warning: `yolol-runner` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yolol_runner-2c430eb9fd279770)
[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] [stderr]    Doc-tests yolol-runner
[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" "57a459235c461e56a7f0c2765cf5b6ce07c23f7cb846588788216eb6731f4835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57a459235c461e56a7f0c2765cf5b6ce07c23f7cb846588788216eb6731f4835", kill_on_drop: false }`
[INFO] [stdout] 57a459235c461e56a7f0c2765cf5b6ce07c23f7cb846588788216eb6731f4835