[INFO] fetching crate rustc-std-workspace-alloc 1.0.0...
[INFO] testing rustc-std-workspace-alloc-1.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate rustc-std-workspace-alloc 1.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rustc-std-workspace-alloc 1.0.0 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 rustc-std-workspace-alloc 1.0.0
[INFO] finished tweaking crates.io crate rustc-std-workspace-alloc 1.0.0
[INFO] tweaked toml for crates.io crate rustc-std-workspace-alloc 1.0.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] f0e410feac4c69f2dcb704a42342cc0863241a37dee3dd6ee3cc41d1ffae0e03
[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" "f0e410feac4c69f2dcb704a42342cc0863241a37dee3dd6ee3cc41d1ffae0e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0e410feac4c69f2dcb704a42342cc0863241a37dee3dd6ee3cc41d1ffae0e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0e410feac4c69f2dcb704a42342cc0863241a37dee3dd6ee3cc41d1ffae0e03", kill_on_drop: false }`
[INFO] [stdout] f0e410feac4c69f2dcb704a42342cc0863241a37dee3dd6ee3cc41d1ffae0e03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 2b3d6bb6d6dbb8b8eed1b63a38508964671dfe3af82a0e01f0982c5f4ed4f2ed
[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" "2b3d6bb6d6dbb8b8eed1b63a38508964671dfe3af82a0e01f0982c5f4ed4f2ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-std-workspace-alloc v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "2b3d6bb6d6dbb8b8eed1b63a38508964671dfe3af82a0e01f0982c5f4ed4f2ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b3d6bb6d6dbb8b8eed1b63a38508964671dfe3af82a0e01f0982c5f4ed4f2ed", kill_on_drop: false }`
[INFO] [stdout] 2b3d6bb6d6dbb8b8eed1b63a38508964671dfe3af82a0e01f0982c5f4ed4f2ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] a00365873f17bd6467f0aeeb5e2fa66ec4a0507ca8b33efdb9836ba54c7e4cae
[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" "a00365873f17bd6467f0aeeb5e2fa66ec4a0507ca8b33efdb9836ba54c7e4cae", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-std-workspace-alloc v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "a00365873f17bd6467f0aeeb5e2fa66ec4a0507ca8b33efdb9836ba54c7e4cae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a00365873f17bd6467f0aeeb5e2fa66ec4a0507ca8b33efdb9836ba54c7e4cae", kill_on_drop: false }`
[INFO] [stdout] a00365873f17bd6467f0aeeb5e2fa66ec4a0507ca8b33efdb9836ba54c7e4cae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] dae6da5dcfa8064d57902bbb77b498ff71fd748f9da59ba94f904767ae331408
[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" "dae6da5dcfa8064d57902bbb77b498ff71fd748f9da59ba94f904767ae331408", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustc_std_workspace_alloc-e61c3b1ac828360a
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustc-std-workspace-alloc
[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" "dae6da5dcfa8064d57902bbb77b498ff71fd748f9da59ba94f904767ae331408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dae6da5dcfa8064d57902bbb77b498ff71fd748f9da59ba94f904767ae331408", kill_on_drop: false }`
[INFO] [stdout] dae6da5dcfa8064d57902bbb77b498ff71fd748f9da59ba94f904767ae331408