[INFO] fetching crate r50 0.13.1...
[INFO] testing r50-0.13.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate r50 0.13.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate r50 0.13.1 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 r50 0.13.1
[INFO] finished tweaking crates.io crate r50 0.13.1
[INFO] tweaked toml for crates.io crate r50 0.13.1 written to /workspace/builds/worker-1/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 blackhole v0.16.0
[INFO] [stderr]   Downloaded udsx v0.7.2
[INFO] [stderr]   Downloaded binn-ir v0.13.1
[INFO] [stderr]   Downloaded dia-args v0.51.6
[INFO] [stderr]   Downloaded zeros v5.2.0
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] eca38e0552d6c0c84c0daea38721e8bffe6e7712433a970e84af74f41bb6d31f
[INFO] running `Command { std: "docker" "start" "-a" "eca38e0552d6c0c84c0daea38721e8bffe6e7712433a970e84af74f41bb6d31f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eca38e0552d6c0c84c0daea38721e8bffe6e7712433a970e84af74f41bb6d31f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eca38e0552d6c0c84c0daea38721e8bffe6e7712433a970e84af74f41bb6d31f", kill_on_drop: false }`
[INFO] [stdout] eca38e0552d6c0c84c0daea38721e8bffe6e7712433a970e84af74f41bb6d31f
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8457129493c2313beb6c538dcfc931fb1cce1e1358d116ae4aff63d74f3fa395
[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" "8457129493c2313beb6c538dcfc931fb1cce1e1358d116ae4aff63d74f3fa395", kill_on_drop: false }`
[INFO] [stderr]    Compiling dia-args v0.51.6
[INFO] [stderr]    Compiling r50 v0.13.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "8457129493c2313beb6c538dcfc931fb1cce1e1358d116ae4aff63d74f3fa395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8457129493c2313beb6c538dcfc931fb1cce1e1358d116ae4aff63d74f3fa395", kill_on_drop: false }`
[INFO] [stdout] 8457129493c2313beb6c538dcfc931fb1cce1e1358d116ae4aff63d74f3fa395
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4d915799be375b5aad5d464d444c662527a1b1e5419b128bbc95b6ec686d95c
[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" "a4d915799be375b5aad5d464d444c662527a1b1e5419b128bbc95b6ec686d95c", kill_on_drop: false }`
[INFO] [stderr]    Compiling udsx v0.7.2
[INFO] [stderr]    Compiling r50 v0.13.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "a4d915799be375b5aad5d464d444c662527a1b1e5419b128bbc95b6ec686d95c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4d915799be375b5aad5d464d444c662527a1b1e5419b128bbc95b6ec686d95c", kill_on_drop: false }`
[INFO] [stdout] a4d915799be375b5aad5d464d444c662527a1b1e5419b128bbc95b6ec686d95c
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 81dce5f8c919ed935ba766b2c6d7dec2e3575eb39c702045f22eb569f3115386
[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" "81dce5f8c919ed935ba766b2c6d7dec2e3575eb39c702045f22eb569f3115386", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/r50-f8813dc63d793446
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests r50
[INFO] [stdout] test test_crate_version ... ok
[INFO] [stdout] test tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "81dce5f8c919ed935ba766b2c6d7dec2e3575eb39c702045f22eb569f3115386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81dce5f8c919ed935ba766b2c6d7dec2e3575eb39c702045f22eb569f3115386", kill_on_drop: false }`
[INFO] [stdout] 81dce5f8c919ed935ba766b2c6d7dec2e3575eb39c702045f22eb569f3115386