[INFO] fetching crate primitive-from 1.0.2...
[INFO] testing primitive-from-1.0.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate primitive-from 1.0.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate primitive-from 1.0.2 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 primitive-from 1.0.2
[INFO] finished tweaking crates.io crate primitive-from 1.0.2
[INFO] tweaked toml for crates.io crate primitive-from 1.0.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07ff2dfab76db05a98e981c9ec2ce26de738c0e48a8f7ad1696a0c3c5c0945d0
[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" "07ff2dfab76db05a98e981c9ec2ce26de738c0e48a8f7ad1696a0c3c5c0945d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07ff2dfab76db05a98e981c9ec2ce26de738c0e48a8f7ad1696a0c3c5c0945d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07ff2dfab76db05a98e981c9ec2ce26de738c0e48a8f7ad1696a0c3c5c0945d0", kill_on_drop: false }`
[INFO] [stdout] 07ff2dfab76db05a98e981c9ec2ce26de738c0e48a8f7ad1696a0c3c5c0945d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d40cbbddc28a0dd3ca4d6accf7c7c1280da400a9e390e0b012e9d8a12d121b64
[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" "d40cbbddc28a0dd3ca4d6accf7c7c1280da400a9e390e0b012e9d8a12d121b64", kill_on_drop: false }`
[INFO] [stderr]    Compiling primitive-from v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "d40cbbddc28a0dd3ca4d6accf7c7c1280da400a9e390e0b012e9d8a12d121b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d40cbbddc28a0dd3ca4d6accf7c7c1280da400a9e390e0b012e9d8a12d121b64", kill_on_drop: false }`
[INFO] [stdout] d40cbbddc28a0dd3ca4d6accf7c7c1280da400a9e390e0b012e9d8a12d121b64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+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] 9a709fba74f1fecccedb7da8270b32b5258fc5a4bd0e5e4eb367a23029f18cf0
[INFO] running `Command { std: "docker" "start" "-a" "9a709fba74f1fecccedb7da8270b32b5258fc5a4bd0e5e4eb367a23029f18cf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling primitive-from v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "9a709fba74f1fecccedb7da8270b32b5258fc5a4bd0e5e4eb367a23029f18cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a709fba74f1fecccedb7da8270b32b5258fc5a4bd0e5e4eb367a23029f18cf0", kill_on_drop: false }`
[INFO] [stdout] 9a709fba74f1fecccedb7da8270b32b5258fc5a4bd0e5e4eb367a23029f18cf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 179ec4de8317d53bdc96153e7a8c58deba224d0b9cd556ad5f400eccb38febaf
[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" "179ec4de8317d53bdc96153e7a8c58deba224d0b9cd556ad5f400eccb38febaf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/primitive_from-0767ed82e7880cf2
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests primitive-from
[INFO] [stdout] test as_primitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - PrimitiveFrom (line 24) ... ignored
[INFO] [stdout] test src/lib.rs - PrimitiveFrom (line 32) ... ignored
[INFO] [stdout] test src/lib.rs - PrimitiveFrom (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "179ec4de8317d53bdc96153e7a8c58deba224d0b9cd556ad5f400eccb38febaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "179ec4de8317d53bdc96153e7a8c58deba224d0b9cd556ad5f400eccb38febaf", kill_on_drop: false }`
[INFO] [stdout] 179ec4de8317d53bdc96153e7a8c58deba224d0b9cd556ad5f400eccb38febaf