[INFO] fetching crate thue-rs 0.1.1...
[INFO] testing thue-rs-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate thue-rs 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate thue-rs 0.1.1 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 thue-rs 0.1.1
[INFO] finished tweaking crates.io crate thue-rs 0.1.1
[INFO] tweaked toml for crates.io crate thue-rs 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate thue-rs 0.1.1 already has a lockfile, it will not be regenerated
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33fb748ec1cef7a455937e70da8d772a72e25dcde58e4e6b143326c8056eb0bb
[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" "33fb748ec1cef7a455937e70da8d772a72e25dcde58e4e6b143326c8056eb0bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33fb748ec1cef7a455937e70da8d772a72e25dcde58e4e6b143326c8056eb0bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33fb748ec1cef7a455937e70da8d772a72e25dcde58e4e6b143326c8056eb0bb", kill_on_drop: false }`
[INFO] [stdout] 33fb748ec1cef7a455937e70da8d772a72e25dcde58e4e6b143326c8056eb0bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] b60d171b4f1d855bbe951ced9cabb7d7e92ffe17d39e6281761463268fc917d2
[INFO] running `Command { std: "docker" "start" "-a" "b60d171b4f1d855bbe951ced9cabb7d7e92ffe17d39e6281761463268fc917d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling thue-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.47s
[INFO] running `Command { std: "docker" "inspect" "b60d171b4f1d855bbe951ced9cabb7d7e92ffe17d39e6281761463268fc917d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b60d171b4f1d855bbe951ced9cabb7d7e92ffe17d39e6281761463268fc917d2", kill_on_drop: false }`
[INFO] [stdout] b60d171b4f1d855bbe951ced9cabb7d7e92ffe17d39e6281761463268fc917d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] 7d660e31c612e9615a8b112b0a3df751b25e201d8e52a3335c6b59a39b5ff3ad
[INFO] running `Command { std: "docker" "start" "-a" "7d660e31c612e9615a8b112b0a3df751b25e201d8e52a3335c6b59a39b5ff3ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling thue-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "7d660e31c612e9615a8b112b0a3df751b25e201d8e52a3335c6b59a39b5ff3ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d660e31c612e9615a8b112b0a3df751b25e201d8e52a3335c6b59a39b5ff3ad", kill_on_drop: false }`
[INFO] [stdout] 7d660e31c612e9615a8b112b0a3df751b25e201d8e52a3335c6b59a39b5ff3ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7067d545170aebc6c5906c90b00009c6226e4b4189b6d68e406ca25d5fee20bb
[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" "7067d545170aebc6c5906c90b00009c6226e4b4189b6d68e406ca25d5fee20bb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/thue_rs-ce1e6fc6b9e48d00
[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" "7067d545170aebc6c5906c90b00009c6226e4b4189b6d68e406ca25d5fee20bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7067d545170aebc6c5906c90b00009c6226e4b4189b6d68e406ca25d5fee20bb", kill_on_drop: false }`
[INFO] [stdout] 7067d545170aebc6c5906c90b00009c6226e4b4189b6d68e406ca25d5fee20bb