[INFO] fetching crate awi 0.8.0...
[INFO] testing awi-0.8.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate awi 0.8.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate awi 0.8.0 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 awi 0.8.0
[INFO] finished tweaking crates.io crate awi 0.8.0
[INFO] tweaked toml for crates.io crate awi 0.8.0 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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b774779bd4d7ccd5669df20660515e6c6210ff7dea6998f6c80dd01c536a6e29
[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" "b774779bd4d7ccd5669df20660515e6c6210ff7dea6998f6c80dd01c536a6e29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b774779bd4d7ccd5669df20660515e6c6210ff7dea6998f6c80dd01c536a6e29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b774779bd4d7ccd5669df20660515e6c6210ff7dea6998f6c80dd01c536a6e29", kill_on_drop: false }`
[INFO] [stdout] b774779bd4d7ccd5669df20660515e6c6210ff7dea6998f6c80dd01c536a6e29
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/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] 81be1e6d6709551a5a0427199ab31232b1915392ae55ba9a6db67a51d85d393c
[INFO] running `Command { std: "docker" "start" "-a" "81be1e6d6709551a5a0427199ab31232b1915392ae55ba9a6db67a51d85d393c", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling stick v0.4.1
[INFO] [stderr]    Compiling afi v0.7.0
[INFO] [stderr]    Compiling dl_api v0.2.0
[INFO] [stderr]    Compiling awi v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]    --> src/os/linux/mod.rs:284:6
[INFO] [stdout]     |
[INFO] [stdout] 284 |     use std::string::String;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `free` redeclared with a different signature
[INFO] [stdout]    --> src/os/linux/mod.rs:286:11
[INFO] [stdout]     |
[INFO] [stdout] 245 |         extern { fn free(this: *mut XcbInternAtomReply) -> (); }
[INFO] [stdout]     |                  --------------------------------------------- `free` previously declared here
[INFO] [stdout] ...
[INFO] [stdout] 286 |     extern { fn free(event: *mut XcbGenericEvent) -> (); }
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(*mut XcbInternAtomReply)`
[INFO] [stdout]                found `unsafe extern "C" fn(*mut XcbGenericEvent)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.90s
[INFO] running `Command { std: "docker" "inspect" "81be1e6d6709551a5a0427199ab31232b1915392ae55ba9a6db67a51d85d393c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81be1e6d6709551a5a0427199ab31232b1915392ae55ba9a6db67a51d85d393c", kill_on_drop: false }`
[INFO] [stdout] 81be1e6d6709551a5a0427199ab31232b1915392ae55ba9a6db67a51d85d393c
[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: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] 74ef587a744650ce85cc1b425e99b7e0ccdb061073e08612be1d4bc2fe8d3e24
[INFO] running `Command { std: "docker" "start" "-a" "74ef587a744650ce85cc1b425e99b7e0ccdb061073e08612be1d4bc2fe8d3e24", kill_on_drop: false }`
[INFO] [stderr]    Compiling awi v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]    --> src/os/linux/mod.rs:284:6
[INFO] [stdout]     |
[INFO] [stdout] 284 |     use std::string::String;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `free` redeclared with a different signature
[INFO] [stdout]    --> src/os/linux/mod.rs:286:11
[INFO] [stdout]     |
[INFO] [stdout] 245 |         extern { fn free(this: *mut XcbInternAtomReply) -> (); }
[INFO] [stdout]     |                  --------------------------------------------- `free` previously declared here
[INFO] [stdout] ...
[INFO] [stdout] 286 |     extern { fn free(event: *mut XcbGenericEvent) -> (); }
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(*mut XcbInternAtomReply)`
[INFO] [stdout]                found `unsafe extern "C" fn(*mut XcbGenericEvent)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]    --> src/os/linux/mod.rs:284:6
[INFO] [stdout]     |
[INFO] [stdout] 284 |     use std::string::String;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `free` redeclared with a different signature
[INFO] [stdout]    --> src/os/linux/mod.rs:286:11
[INFO] [stdout]     |
[INFO] [stdout] 245 |         extern { fn free(this: *mut XcbInternAtomReply) -> (); }
[INFO] [stdout]     |                  --------------------------------------------- `free` previously declared here
[INFO] [stdout] ...
[INFO] [stdout] 286 |     extern { fn free(event: *mut XcbGenericEvent) -> (); }
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(*mut XcbInternAtomReply)`
[INFO] [stdout]                found `unsafe extern "C" fn(*mut XcbGenericEvent)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "74ef587a744650ce85cc1b425e99b7e0ccdb061073e08612be1d4bc2fe8d3e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74ef587a744650ce85cc1b425e99b7e0ccdb061073e08612be1d4bc2fe8d3e24", kill_on_drop: false }`
[INFO] [stdout] 74ef587a744650ce85cc1b425e99b7e0ccdb061073e08612be1d4bc2fe8d3e24
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 70c3d55a799e47282eb83718d02741356d79b9df9d6dd84343611b6d8ffc2dbf
[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" "70c3d55a799e47282eb83718d02741356d79b9df9d6dd84343611b6d8ffc2dbf", kill_on_drop: false }`
[INFO] [stderr] warning: the item `String` is imported redundantly
[INFO] [stderr]    --> src/os/linux/mod.rs:284:6
[INFO] [stderr]     |
[INFO] [stderr] 284 |     use std::string::String;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `free` redeclared with a different signature
[INFO] [stderr]    --> src/os/linux/mod.rs:286:11
[INFO] [stderr]     |
[INFO] [stderr] 245 |         extern { fn free(this: *mut XcbInternAtomReply) -> (); }
[INFO] [stderr]     |                  --------------------------------------------- `free` previously declared here
[INFO] [stderr] ...
[INFO] [stderr] 286 |     extern { fn free(event: *mut XcbGenericEvent) -> (); }
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stderr]     = note: expected `unsafe extern "C" fn(*mut XcbInternAtomReply)`
[INFO] [stderr]                found `unsafe extern "C" fn(*mut XcbGenericEvent)`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the item `String` is imported redundantly
[INFO] [stderr]    --> src/os/linux/mod.rs:284:6
[INFO] [stderr]     |
[INFO] [stderr] 284 |     use std::string::String;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `free` redeclared with a different signature
[INFO] [stderr]    --> src/os/linux/mod.rs:286:11
[INFO] [stderr]     |
[INFO] [stderr] 245 |         extern { fn free(this: *mut XcbInternAtomReply) -> (); }
[INFO] [stderr]     |                  --------------------------------------------- `free` previously declared here
[INFO] [stderr] ...
[INFO] [stderr] 286 |     extern { fn free(event: *mut XcbGenericEvent) -> (); }
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this signature doesn't match the previous declaration
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(clashing_extern_declarations)]` on by default
[INFO] [stderr]     = note: expected `unsafe extern "C" fn(*mut XcbInternAtomReply)`
[INFO] [stderr]                found `unsafe extern "C" fn(*mut XcbGenericEvent)`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/awi-d1005da8473b1bef
[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 awi
[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" "70c3d55a799e47282eb83718d02741356d79b9df9d6dd84343611b6d8ffc2dbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70c3d55a799e47282eb83718d02741356d79b9df9d6dd84343611b6d8ffc2dbf", kill_on_drop: false }`
[INFO] [stdout] 70c3d55a799e47282eb83718d02741356d79b9df9d6dd84343611b6d8ffc2dbf