[INFO] fetching crate tempus 0.2.4...
[INFO] testing tempus-0.2.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tempus 0.2.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate tempus 0.2.4 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 tempus 0.2.4
[INFO] finished tweaking crates.io crate tempus 0.2.4
[INFO] tweaked toml for crates.io crate tempus 0.2.4 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.49.0" "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] 9a06209716cd5561b485f476bfb395dbc7e9b02a80446541df5b1b465a53d32f
[INFO] running `Command { std: "docker" "start" "-a" "9a06209716cd5561b485f476bfb395dbc7e9b02a80446541df5b1b465a53d32f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a06209716cd5561b485f476bfb395dbc7e9b02a80446541df5b1b465a53d32f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a06209716cd5561b485f476bfb395dbc7e9b02a80446541df5b1b465a53d32f", kill_on_drop: false }`
[INFO] [stdout] 9a06209716cd5561b485f476bfb395dbc7e9b02a80446541df5b1b465a53d32f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.49.0" "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] 513e861c574b3cc93ee342a7fe345adad4f584129a00ebd764a43e81f83b4996
[INFO] running `Command { std: "docker" "start" "-a" "513e861c574b3cc93ee342a7fe345adad4f584129a00ebd764a43e81f83b4996", kill_on_drop: false }`
[INFO] [stderr]    Compiling idem v0.4.0
[INFO] [stderr]    Compiling idem v0.1.1
[INFO] [stderr]    Compiling tempus v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated constant `zero` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:36:11
[INFO] [stdout]    |
[INFO] [stdout] 36 |     const zero: Self = Span(0);
[INFO] [stdout]    |           ^^^^ help: convert the identifier to upper case: `ZERO`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "513e861c574b3cc93ee342a7fe345adad4f584129a00ebd764a43e81f83b4996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "513e861c574b3cc93ee342a7fe345adad4f584129a00ebd764a43e81f83b4996", kill_on_drop: false }`
[INFO] [stdout] 513e861c574b3cc93ee342a7fe345adad4f584129a00ebd764a43e81f83b4996
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86e1ed5bdeb4ac73505e800860233959872b69bc73b3cbd565aeade147cd5d53
[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" "86e1ed5bdeb4ac73505e800860233959872b69bc73b3cbd565aeade147cd5d53", kill_on_drop: false }`
[INFO] [stdout] warning: associated constant `zero` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:36:11
[INFO] [stdout]    |
[INFO] [stdout] 36 |     const zero: Self = Span(0);
[INFO] [stdout]    |           ^^^^ help: convert the identifier to upper case: `ZERO`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempus v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated constant `zero` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:36:11
[INFO] [stdout]    |
[INFO] [stdout] 36 |     const zero: Self = Span(0);
[INFO] [stdout]    |           ^^^^ help: convert the identifier to upper case: `ZERO`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "86e1ed5bdeb4ac73505e800860233959872b69bc73b3cbd565aeade147cd5d53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e1ed5bdeb4ac73505e800860233959872b69bc73b3cbd565aeade147cd5d53", kill_on_drop: false }`
[INFO] [stdout] 86e1ed5bdeb4ac73505e800860233959872b69bc73b3cbd565aeade147cd5d53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.49.0" "test" "--frozen", 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] c56946b3d72a486b11880cbaa7825bd10ed109faf2bfb8e665b5ddc6c453f00f
[INFO] running `Command { std: "docker" "start" "-a" "c56946b3d72a486b11880cbaa7825bd10ed109faf2bfb8e665b5ddc6c453f00f", kill_on_drop: false }`
[INFO] [stderr] warning: associated constant `zero` should have an upper case name
[INFO] [stderr]   --> src/lib.rs:36:11
[INFO] [stderr]    |
[INFO] [stderr] 36 |     const zero: Self = Span(0);
[INFO] [stderr]    |           ^^^^ help: convert the identifier to upper case: `ZERO`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `zero` should have an upper case name
[INFO] [stderr]   --> src/lib.rs:36:11
[INFO] [stderr]    |
[INFO] [stderr] 36 |     const zero: Self = Span(0);
[INFO] [stderr]    |           ^^^^ help: convert the identifier to upper case: `ZERO`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/time-45696dff9a5c6341
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests time
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c56946b3d72a486b11880cbaa7825bd10ed109faf2bfb8e665b5ddc6c453f00f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c56946b3d72a486b11880cbaa7825bd10ed109faf2bfb8e665b5ddc6c453f00f", kill_on_drop: false }`
[INFO] [stdout] c56946b3d72a486b11880cbaa7825bd10ed109faf2bfb8e665b5ddc6c453f00f