[INFO] fetching crate quail 0.1.0...
[INFO] testing quail-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate quail 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate quail 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate quail 0.1.0
[INFO] finished tweaking crates.io crate quail 0.1.0
[INFO] tweaked toml for crates.io crate quail 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustyline v4.1.0
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a1dee06be54c0482bc47c3f2d4a014510a9523292ad45faa4daffc1d9c5deb7
[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" "1a1dee06be54c0482bc47c3f2d4a014510a9523292ad45faa4daffc1d9c5deb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a1dee06be54c0482bc47c3f2d4a014510a9523292ad45faa4daffc1d9c5deb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a1dee06be54c0482bc47c3f2d4a014510a9523292ad45faa4daffc1d9c5deb7", kill_on_drop: false }`
[INFO] [stdout] 1a1dee06be54c0482bc47c3f2d4a014510a9523292ad45faa4daffc1d9c5deb7
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 570e50a91b095e173e76c75c27a42bb9bb2a60e9d8ef9967f4bb1a13bd4ccfb9
[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" "570e50a91b095e173e76c75c27a42bb9bb2a60e9d8ef9967f4bb1a13bd4ccfb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling rustyline v4.1.0
[INFO] [stderr]    Compiling quail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Prim(rc::Rc<Box<Fn(Vec<Value>) -> Value>>),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<Value>) -> Value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.00s
[INFO] running `Command { std: "docker" "inspect" "570e50a91b095e173e76c75c27a42bb9bb2a60e9d8ef9967f4bb1a13bd4ccfb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "570e50a91b095e173e76c75c27a42bb9bb2a60e9d8ef9967f4bb1a13bd4ccfb9", kill_on_drop: false }`
[INFO] [stdout] 570e50a91b095e173e76c75c27a42bb9bb2a60e9d8ef9967f4bb1a13bd4ccfb9
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0c14f4f93bb89e912beeb5fe6dc619c0ea2a6e34eb4aea26ba2329889e88e65
[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" "c0c14f4f93bb89e912beeb5fe6dc619c0ea2a6e34eb4aea26ba2329889e88e65", kill_on_drop: false }`
[INFO] [stderr]    Compiling quail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Prim(rc::Rc<Box<Fn(Vec<Value>) -> Value>>),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<Value>) -> Value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.89s
[INFO] running `Command { std: "docker" "inspect" "c0c14f4f93bb89e912beeb5fe6dc619c0ea2a6e34eb4aea26ba2329889e88e65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0c14f4f93bb89e912beeb5fe6dc619c0ea2a6e34eb4aea26ba2329889e88e65", kill_on_drop: false }`
[INFO] [stdout] c0c14f4f93bb89e912beeb5fe6dc619c0ea2a6e34eb4aea26ba2329889e88e65
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3ec0b8923a4bddd5e647596173468467e0b2d75516b3810e6ca380c4dcf9ed06
[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" "3ec0b8923a4bddd5e647596173468467e0b2d75516b3810e6ca380c4dcf9ed06", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast.rs:53:21
[INFO] [stderr]    |
[INFO] [stderr] 53 |     Prim(rc::Rc<Box<Fn(Vec<Value>) -> Value>>),
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<Value>) -> Value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/quail-c332a147612da24b
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::run_examples ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3ec0b8923a4bddd5e647596173468467e0b2d75516b3810e6ca380c4dcf9ed06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ec0b8923a4bddd5e647596173468467e0b2d75516b3810e6ca380c4dcf9ed06", kill_on_drop: false }`
[INFO] [stdout] 3ec0b8923a4bddd5e647596173468467e0b2d75516b3810e6ca380c4dcf9ed06