[INFO] fetching crate xenon 0.1.0...
[INFO] testing xenon-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate xenon 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate xenon 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 xenon 0.1.0
[INFO] finished tweaking crates.io crate xenon 0.1.0
[INFO] tweaked toml for crates.io crate xenon 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] 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: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] 0c5032f89930e32505ef2661d3acc2a758b7d3293d2ffca26fb868c37dc744ce
[INFO] running `Command { std: "docker" "start" "-a" "0c5032f89930e32505ef2661d3acc2a758b7d3293d2ffca26fb868c37dc744ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c5032f89930e32505ef2661d3acc2a758b7d3293d2ffca26fb868c37dc744ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c5032f89930e32505ef2661d3acc2a758b7d3293d2ffca26fb868c37dc744ce", kill_on_drop: false }`
[INFO] [stdout] 0c5032f89930e32505ef2661d3acc2a758b7d3293d2ffca26fb868c37dc744ce
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 438e3885a81c1f8bb6941ef444afc279b841ee9d5fe6312317ecdb7d7fbef438
[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" "438e3885a81c1f8bb6941ef444afc279b841ee9d5fe6312317ecdb7d7fbef438", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling xenon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.65s
[INFO] running `Command { std: "docker" "inspect" "438e3885a81c1f8bb6941ef444afc279b841ee9d5fe6312317ecdb7d7fbef438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "438e3885a81c1f8bb6941ef444afc279b841ee9d5fe6312317ecdb7d7fbef438", kill_on_drop: false }`
[INFO] [stdout] 438e3885a81c1f8bb6941ef444afc279b841ee9d5fe6312317ecdb7d7fbef438
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 100d2316fb911fca705669ba439d60c2eaafc2a00d63ef05a5a9b3e829e86d10
[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" "100d2316fb911fca705669ba439d60c2eaafc2a00d63ef05a5a9b3e829e86d10", kill_on_drop: false }`
[INFO] [stderr]    Compiling xenon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "100d2316fb911fca705669ba439d60c2eaafc2a00d63ef05a5a9b3e829e86d10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "100d2316fb911fca705669ba439d60c2eaafc2a00d63ef05a5a9b3e829e86d10", kill_on_drop: false }`
[INFO] [stdout] 100d2316fb911fca705669ba439d60c2eaafc2a00d63ef05a5a9b3e829e86d10
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4d994b37bc22ba8dff88307dab06c862e56a488327a9dc9c71c78f3052da020d
[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" "4d994b37bc22ba8dff88307dab06c862e56a488327a9dc9c71c78f3052da020d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xenon-a92afda4eddbd1c1
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_add ... ok
[INFO] [stdout] test tests::test_fsap ... ok
[INFO] [stdout] test tests::test_mul ... ok
[INFO] [stdout] test tests::test_mul2 ... ok
[INFO] [stdout] test tests::test_bad_parses ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xenon
[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" "4d994b37bc22ba8dff88307dab06c862e56a488327a9dc9c71c78f3052da020d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d994b37bc22ba8dff88307dab06c862e56a488327a9dc9c71c78f3052da020d", kill_on_drop: false }`
[INFO] [stdout] 4d994b37bc22ba8dff88307dab06c862e56a488327a9dc9c71c78f3052da020d