[INFO] fetching crate short_print 0.1.1...
[INFO] testing short_print-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate short_print 0.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate short_print 0.1.1 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 short_print 0.1.1
[INFO] finished tweaking crates.io crate short_print 0.1.1
[INFO] tweaked toml for crates.io crate short_print 0.1.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate short_print 0.1.1 already has a lockfile, it will not be regenerated
[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-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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb8e7fb55e9218bc13c7073610b0dee02f512d85d2d6df3871037c9bc365aa52
[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" "bb8e7fb55e9218bc13c7073610b0dee02f512d85d2d6df3871037c9bc365aa52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb8e7fb55e9218bc13c7073610b0dee02f512d85d2d6df3871037c9bc365aa52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb8e7fb55e9218bc13c7073610b0dee02f512d85d2d6df3871037c9bc365aa52", kill_on_drop: false }`
[INFO] [stdout] bb8e7fb55e9218bc13c7073610b0dee02f512d85d2d6df3871037c9bc365aa52
[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" "+beta-2021-01-01" "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] 4c9110705eadaf7c43e1ae0974dfefde4d2f5ffb88f702456b1e7730b2cd7d1c
[INFO] running `Command { std: "docker" "start" "-a" "4c9110705eadaf7c43e1ae0974dfefde4d2f5ffb88f702456b1e7730b2cd7d1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling short_print v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "4c9110705eadaf7c43e1ae0974dfefde4d2f5ffb88f702456b1e7730b2cd7d1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9110705eadaf7c43e1ae0974dfefde4d2f5ffb88f702456b1e7730b2cd7d1c", kill_on_drop: false }`
[INFO] [stdout] 4c9110705eadaf7c43e1ae0974dfefde4d2f5ffb88f702456b1e7730b2cd7d1c
[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" "+beta-2021-01-01" "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] 33e1200025a5839982e6b63b757b65a072d7970782f01271a99466f9c47d6d58
[INFO] running `Command { std: "docker" "start" "-a" "33e1200025a5839982e6b63b757b65a072d7970782f01271a99466f9c47d6d58", kill_on_drop: false }`
[INFO] [stderr]    Compiling short_print v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "33e1200025a5839982e6b63b757b65a072d7970782f01271a99466f9c47d6d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33e1200025a5839982e6b63b757b65a072d7970782f01271a99466f9c47d6d58", kill_on_drop: false }`
[INFO] [stdout] 33e1200025a5839982e6b63b757b65a072d7970782f01271a99466f9c47d6d58
[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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac3a948b59309a120b892881b13baf8869ef292747545d8160e9b217997182c4
[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" "ac3a948b59309a120b892881b13baf8869ef292747545d8160e9b217997182c4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/short_print-9b272f4cc3683234
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/short_print-dd85d8401b245657
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    Doc-tests short_print
[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] [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" "ac3a948b59309a120b892881b13baf8869ef292747545d8160e9b217997182c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac3a948b59309a120b892881b13baf8869ef292747545d8160e9b217997182c4", kill_on_drop: false }`
[INFO] [stdout] ac3a948b59309a120b892881b13baf8869ef292747545d8160e9b217997182c4