[INFO] fetching crate drogue-ffi-compat 0.1.0...
[INFO] testing drogue-ffi-compat-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate drogue-ffi-compat 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate drogue-ffi-compat 0.1.0 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 drogue-ffi-compat 0.1.0
[INFO] finished tweaking crates.io crate drogue-ffi-compat 0.1.0
[INFO] tweaked toml for crates.io crate drogue-ffi-compat 0.1.0 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] [stdout] 3ce044bbb53fdd27623a955ffeb08772012b07411599cfcc456f4958447e9274
[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" "3ce044bbb53fdd27623a955ffeb08772012b07411599cfcc456f4958447e9274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ce044bbb53fdd27623a955ffeb08772012b07411599cfcc456f4958447e9274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ce044bbb53fdd27623a955ffeb08772012b07411599cfcc456f4958447e9274", kill_on_drop: false }`
[INFO] [stdout] 3ce044bbb53fdd27623a955ffeb08772012b07411599cfcc456f4958447e9274
[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] [stdout] be5dd5c999c377afbf2cde984f8531a111d4c68b0dc79731a8c973c18f5a5d08
[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" "be5dd5c999c377afbf2cde984f8531a111d4c68b0dc79731a8c973c18f5a5d08", kill_on_drop: false }`
[INFO] [stderr]    Compiling drogue-ffi-compat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "be5dd5c999c377afbf2cde984f8531a111d4c68b0dc79731a8c973c18f5a5d08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be5dd5c999c377afbf2cde984f8531a111d4c68b0dc79731a8c973c18f5a5d08", kill_on_drop: false }`
[INFO] [stdout] be5dd5c999c377afbf2cde984f8531a111d4c68b0dc79731a8c973c18f5a5d08
[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] a54b69c7ab7252477b34c0b96a2ec2e4a933a499ab491508256a37b4c13724bd
[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" "a54b69c7ab7252477b34c0b96a2ec2e4a933a499ab491508256a37b4c13724bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling drogue-ffi-compat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Chunk`
[INFO] [stdout]    --> src/printf/format.rs:302:58
[INFO] [stdout]     |
[INFO] [stdout] 302 |     use super::{FormatString, FormatSpec, DecimalFormat, Chunk};
[INFO] [stdout]     |                                                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::ffi::c_void`
[INFO] [stdout]    --> src/printf/format.rs:303:9
[INFO] [stdout]     |
[INFO] [stdout] 303 |     use core::ffi::c_void;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::printf::format::FormatOutput`
[INFO] [stdout]    --> src/printf/format.rs:304:9
[INFO] [stdout]     |
[INFO] [stdout] 304 |     use crate::printf::format::FormatOutput;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::prelude::*`
[INFO] [stdout]    --> src/printf/format.rs:306:9
[INFO] [stdout]     |
[INFO] [stdout] 306 |     use core::prelude::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "a54b69c7ab7252477b34c0b96a2ec2e4a933a499ab491508256a37b4c13724bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a54b69c7ab7252477b34c0b96a2ec2e4a933a499ab491508256a37b4c13724bd", kill_on_drop: false }`
[INFO] [stdout] a54b69c7ab7252477b34c0b96a2ec2e4a933a499ab491508256a37b4c13724bd
[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] [stdout] 08ca447198697f7cecdbd166ac29855e0bd05d870b0f990ab7d06cd909898524
[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" "08ca447198697f7cecdbd166ac29855e0bd05d870b0f990ab7d06cd909898524", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Chunk`
[INFO] [stderr]    --> src/printf/format.rs:302:58
[INFO] [stderr]     |
[INFO] [stderr] 302 |     use super::{FormatString, FormatSpec, DecimalFormat, Chunk};
[INFO] [stderr]     |                                                          ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::ffi::c_void`
[INFO] [stderr]    --> src/printf/format.rs:303:9
[INFO] [stderr]     |
[INFO] [stderr] 303 |     use core::ffi::c_void;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::printf::format::FormatOutput`
[INFO] [stderr]    --> src/printf/format.rs:304:9
[INFO] [stderr]     |
[INFO] [stderr] 304 |     use crate::printf::format::FormatOutput;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::prelude::*`
[INFO] [stderr]    --> src/printf/format.rs:306:9
[INFO] [stderr]     |
[INFO] [stderr] 306 |     use core::prelude::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/drogue_ffi_compat-4977b9aedeadbfe5
[INFO] [stdout] running 2 tests
[INFO] [stdout] test printf::format::tests::parse_format_str ... ok
[INFO] [stdout] test printf::format::tests::parse_simple_number_format ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests drogue-ffi-compat
[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" "08ca447198697f7cecdbd166ac29855e0bd05d870b0f990ab7d06cd909898524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08ca447198697f7cecdbd166ac29855e0bd05d870b0f990ab7d06cd909898524", kill_on_drop: false }`
[INFO] [stdout] 08ca447198697f7cecdbd166ac29855e0bd05d870b0f990ab7d06cd909898524