[INFO] fetching crate stable_deref_trait 1.2.0...
[INFO] testing stable_deref_trait-1.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate stable_deref_trait 1.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate stable_deref_trait 1.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stable_deref_trait 1.2.0
[INFO] finished tweaking crates.io crate stable_deref_trait 1.2.0
[INFO] tweaked toml for crates.io crate stable_deref_trait 1.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1dc0ec6a5d78cdba035cb26a162e5dabf7b6d2f66f89eed1028df2c57022575a
[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" "1dc0ec6a5d78cdba035cb26a162e5dabf7b6d2f66f89eed1028df2c57022575a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dc0ec6a5d78cdba035cb26a162e5dabf7b6d2f66f89eed1028df2c57022575a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dc0ec6a5d78cdba035cb26a162e5dabf7b6d2f66f89eed1028df2c57022575a", kill_on_drop: false }`
[INFO] [stdout] 1dc0ec6a5d78cdba035cb26a162e5dabf7b6d2f66f89eed1028df2c57022575a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7738b63e325be7105c4f17833982539bcdf6612f7731d5fb4e2ca7bc1da265c9
[INFO] running `Command { std: "docker" "start" "-a" "7738b63e325be7105c4f17833982539bcdf6612f7731d5fb4e2ca7bc1da265c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "7738b63e325be7105c4f17833982539bcdf6612f7731d5fb4e2ca7bc1da265c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7738b63e325be7105c4f17833982539bcdf6612f7731d5fb4e2ca7bc1da265c9", kill_on_drop: false }`
[INFO] [stdout] 7738b63e325be7105c4f17833982539bcdf6612f7731d5fb4e2ca7bc1da265c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7464d9e47b0615597dcbc7c9389f713722cac7e4a60992d75ecf597d3bb03337
[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" "7464d9e47b0615597dcbc7c9389f713722cac7e4a60992d75ecf597d3bb03337", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "7464d9e47b0615597dcbc7c9389f713722cac7e4a60992d75ecf597d3bb03337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7464d9e47b0615597dcbc7c9389f713722cac7e4a60992d75ecf597d3bb03337", kill_on_drop: false }`
[INFO] [stdout] 7464d9e47b0615597dcbc7c9389f713722cac7e4a60992d75ecf597d3bb03337
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6932eea7ca448d7ca2c397e2918dbefd2279eb82079935684c2bffdc43c3f4c8
[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" "6932eea7ca448d7ca2c397e2918dbefd2279eb82079935684c2bffdc43c3f4c8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stable_deref_trait-6514f9872de2c10c
[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] [stderr]    Doc-tests stable_deref_trait
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - StableDeref (line 38) ... ok
[INFO] [stdout] test src/lib.rs - StableDeref (line 89) ... ok
[INFO] [stdout] test src/lib.rs - StableDeref (line 79) ... ok
[INFO] [stdout] test src/lib.rs - StableDeref (line 104) ... ok
[INFO] [stdout] test src/lib.rs - StableDeref (line 61) ... ok
[INFO] [stdout] test src/lib.rs - StableDeref (line 49) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6932eea7ca448d7ca2c397e2918dbefd2279eb82079935684c2bffdc43c3f4c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6932eea7ca448d7ca2c397e2918dbefd2279eb82079935684c2bffdc43c3f4c8", kill_on_drop: false }`
[INFO] [stdout] 6932eea7ca448d7ca2c397e2918dbefd2279eb82079935684c2bffdc43c3f4c8