[INFO] fetching crate yeast 0.20.0...
[INFO] testing yeast-0.20.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate yeast 0.20.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate yeast 0.20.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yeast 0.20.0
[INFO] finished tweaking crates.io crate yeast 0.20.0
[INFO] tweaked toml for crates.io crate yeast 0.20.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc04a631ade1b9c737d604c912f4aadf1f84b6e1dc66472b2a6a62a25ae5f283
[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" "bc04a631ade1b9c737d604c912f4aadf1f84b6e1dc66472b2a6a62a25ae5f283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc04a631ade1b9c737d604c912f4aadf1f84b6e1dc66472b2a6a62a25ae5f283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc04a631ade1b9c737d604c912f4aadf1f84b6e1dc66472b2a6a62a25ae5f283", kill_on_drop: false }`
[INFO] [stdout] bc04a631ade1b9c737d604c912f4aadf1f84b6e1dc66472b2a6a62a25ae5f283
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e73ee35da1fd44bb05954f522cace0061ab174e3a396543d55a0a8690933659
[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" "9e73ee35da1fd44bb05954f522cace0061ab174e3a396543d55a0a8690933659", kill_on_drop: false }`
[INFO] [stderr]    Compiling yeast v0.20.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:69:26
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn readline(reader: &mut BufRead, line: &str, args: &[String]) -> String {
[INFO] [stdout]    |                          ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:105:18
[INFO] [stdout]     |
[INFO] [stdout] 105 |     reader: &mut BufRead,
[INFO] [stdout]     |                  ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `Command { std: "docker" "inspect" "9e73ee35da1fd44bb05954f522cace0061ab174e3a396543d55a0a8690933659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e73ee35da1fd44bb05954f522cace0061ab174e3a396543d55a0a8690933659", kill_on_drop: false }`
[INFO] [stdout] 9e73ee35da1fd44bb05954f522cace0061ab174e3a396543d55a0a8690933659
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc48c65ed9b34e8acc060d29183e7e3ee568471f39104eccf3f0d0c46c707703
[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" "fc48c65ed9b34e8acc060d29183e7e3ee568471f39104eccf3f0d0c46c707703", kill_on_drop: false }`
[INFO] [stderr]    Compiling yeast v0.20.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:69:26
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn readline(reader: &mut BufRead, line: &str, args: &[String]) -> String {
[INFO] [stdout]    |                          ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:105:18
[INFO] [stdout]     |
[INFO] [stdout] 105 |     reader: &mut BufRead,
[INFO] [stdout]     |                  ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "fc48c65ed9b34e8acc060d29183e7e3ee568471f39104eccf3f0d0c46c707703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc48c65ed9b34e8acc060d29183e7e3ee568471f39104eccf3f0d0c46c707703", kill_on_drop: false }`
[INFO] [stdout] fc48c65ed9b34e8acc060d29183e7e3ee568471f39104eccf3f0d0c46c707703
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3fb9d655144807a28e31391097e7b09aa99c3c0074d9b97b1bd8461e933266cc
[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" "3fb9d655144807a28e31391097e7b09aa99c3c0074d9b97b1bd8461e933266cc", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:69:26
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn readline(reader: &mut BufRead, line: &str, args: &[String]) -> String {
[INFO] [stderr]    |                          ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:105:18
[INFO] [stderr]     |
[INFO] [stderr] 105 |     reader: &mut BufRead,
[INFO] [stderr]     |                  ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/yeast-094d36a65bf66e6b
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3fb9d655144807a28e31391097e7b09aa99c3c0074d9b97b1bd8461e933266cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fb9d655144807a28e31391097e7b09aa99c3c0074d9b97b1bd8461e933266cc", kill_on_drop: false }`
[INFO] [stdout] 3fb9d655144807a28e31391097e7b09aa99c3c0074d9b97b1bd8461e933266cc
