[INFO] fetching crate play 0.5.3...
[INFO] testing play-0.5.3 against 1.54.0 for beta-1.55-1
[INFO] extracting crate play 0.5.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate play 0.5.3 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate play 0.5.3
[INFO] finished tweaking crates.io crate play 0.5.3
[INFO] tweaked toml for crates.io crate play 0.5.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2959f2970ed2fb15e796034ec57ab181f3d6a92f794da4f012c88bf9b1aaca40
[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" "2959f2970ed2fb15e796034ec57ab181f3d6a92f794da4f012c88bf9b1aaca40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2959f2970ed2fb15e796034ec57ab181f3d6a92f794da4f012c88bf9b1aaca40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2959f2970ed2fb15e796034ec57ab181f3d6a92f794da4f012c88bf9b1aaca40", kill_on_drop: false }`
[INFO] [stdout] 2959f2970ed2fb15e796034ec57ab181f3d6a92f794da4f012c88bf9b1aaca40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ed451ccd583cb5df2c24f945757ef5ed9ada5014c45d4ffa266d24cf051e014
[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" "4ed451ccd583cb5df2c24f945757ef5ed9ada5014c45d4ffa266d24cf051e014", kill_on_drop: false }`
[INFO] [stderr]    Compiling mpg123-sys v0.6.0
[INFO] [stderr]    Compiling out123-sys v0.5.0
[INFO] [stderr]    Compiling play v0.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/lib.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 if !buffer.is_null() {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |             cleanup_and_raise!("failed to instantiate mpg123");
[INFO] [stdout]    |             --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(tyvar_behind_raw_pointer)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/lib.rs:48:35
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 if !out123_handle.is_null() {
[INFO] [stdout]    |                                   ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |             cleanup_and_raise!("failed to instantiate mpg123");
[INFO] [stdout]    |             --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/lib.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 if !buffer.is_null() {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |             cleanup_and_raise!("failed to open the input");
[INFO] [stdout]    |             ----------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/lib.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 if !buffer.is_null() {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |             cleanup_and_raise!("failed to get the format");
[INFO] [stdout]    |             ----------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/lib.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 if !buffer.is_null() {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |             cleanup_and_raise!("failed to instantiate out123");
[INFO] [stdout]    |             --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/lib.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 if !buffer.is_null() {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |             cleanup_and_raise!("failed to open the output");
[INFO] [stdout]    |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/lib.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 if !buffer.is_null() {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |             cleanup_and_raise!("failed to start the output");
[INFO] [stdout]    |             ------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.78s
[INFO] running `Command { std: "docker" "inspect" "4ed451ccd583cb5df2c24f945757ef5ed9ada5014c45d4ffa266d24cf051e014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ed451ccd583cb5df2c24f945757ef5ed9ada5014c45d4ffa266d24cf051e014", kill_on_drop: false }`
[INFO] [stdout] 4ed451ccd583cb5df2c24f945757ef5ed9ada5014c45d4ffa266d24cf051e014
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81bacb1c8cda44db1563009b708579e05852d16cc640c7c9c99e4049ad653e32
[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" "81bacb1c8cda44db1563009b708579e05852d16cc640c7c9c99e4049ad653e32", kill_on_drop: false }`
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/lib.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 if !buffer.is_null() {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |             cleanup_and_raise!("failed to instantiate mpg123");
[INFO] [stdout]    |             --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(tyvar_behind_raw_pointer)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/lib.rs:48:35
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 if !out123_handle.is_null() {
[INFO] [stdout]    |                                   ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |             cleanup_and_raise!("failed to instantiate mpg123");
[INFO] [stdout]    |             --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/lib.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 if !buffer.is_null() {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |             cleanup_and_raise!("failed to open the input");
[INFO] [stdout]    |             ----------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/lib.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 if !buffer.is_null() {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |             cleanup_and_raise!("failed to get the format");
[INFO] [stdout]    |             ----------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/lib.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 if !buffer.is_null() {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |             cleanup_and_raise!("failed to instantiate out123");
[INFO] [stdout]    |             --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/lib.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 if !buffer.is_null() {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |             cleanup_and_raise!("failed to open the output");
[INFO] [stdout]    |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/lib.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 if !buffer.is_null() {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |             cleanup_and_raise!("failed to start the output");
[INFO] [stdout]    |             ------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling play v0.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/lib.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 if !buffer.is_null() {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |             cleanup_and_raise!("failed to instantiate mpg123");
[INFO] [stdout]    |             --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(tyvar_behind_raw_pointer)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/lib.rs:48:35
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 if !out123_handle.is_null() {
[INFO] [stdout]    |                                   ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |             cleanup_and_raise!("failed to instantiate mpg123");
[INFO] [stdout]    |             --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/lib.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 if !buffer.is_null() {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |             cleanup_and_raise!("failed to open the input");
[INFO] [stdout]    |             ----------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/lib.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 if !buffer.is_null() {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |             cleanup_and_raise!("failed to get the format");
[INFO] [stdout]    |             ----------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/lib.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 if !buffer.is_null() {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |             cleanup_and_raise!("failed to instantiate out123");
[INFO] [stdout]    |             --------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/lib.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 if !buffer.is_null() {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |             cleanup_and_raise!("failed to open the output");
[INFO] [stdout]    |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type annotations needed
[INFO] [stdout]   --> src/lib.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 if !buffer.is_null() {
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |             cleanup_and_raise!("failed to start the output");
[INFO] [stdout]    |             ------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stdout]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "81bacb1c8cda44db1563009b708579e05852d16cc640c7c9c99e4049ad653e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81bacb1c8cda44db1563009b708579e05852d16cc640c7c9c99e4049ad653e32", kill_on_drop: false }`
[INFO] [stdout] 81bacb1c8cda44db1563009b708579e05852d16cc640c7c9c99e4049ad653e32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4409919a5452865d6a39f1d46373eb670a5459727d444b154b70167f3c6787f
[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" "b4409919a5452865d6a39f1d46373eb670a5459727d444b154b70167f3c6787f", kill_on_drop: false }`
[INFO] [stderr] warning: type annotations needed
[INFO] [stderr]   --> src/lib.rs:45:28
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 if !buffer.is_null() {
[INFO] [stderr]    |                            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 66 |             cleanup_and_raise!("failed to instantiate mpg123");
[INFO] [stderr]    |             --------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(tyvar_behind_raw_pointer)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stderr]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: type annotations needed
[INFO] [stderr]   --> src/lib.rs:48:35
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 if !out123_handle.is_null() {
[INFO] [stderr]    |                                   ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 66 |             cleanup_and_raise!("failed to instantiate mpg123");
[INFO] [stderr]    |             --------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stderr]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: type annotations needed
[INFO] [stderr]   --> src/lib.rs:45:28
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 if !buffer.is_null() {
[INFO] [stderr]    |                            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 70 |             cleanup_and_raise!("failed to open the input");
[INFO] [stderr]    |             ----------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stderr]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: type annotations needed
[INFO] [stderr]   --> src/lib.rs:45:28
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 if !buffer.is_null() {
[INFO] [stderr]    |                            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 77 |             cleanup_and_raise!("failed to get the format");
[INFO] [stderr]    |             ----------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stderr]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: type annotations needed
[INFO] [stderr]   --> src/lib.rs:45:28
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 if !buffer.is_null() {
[INFO] [stderr]    |                            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 81 |             cleanup_and_raise!("failed to instantiate out123");
[INFO] [stderr]    |             --------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stderr]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: type annotations needed
[INFO] [stderr]   --> src/lib.rs:45:28
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 if !buffer.is_null() {
[INFO] [stderr]    |                            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 85 |             cleanup_and_raise!("failed to open the output");
[INFO] [stderr]    |             ------------------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stderr]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: type annotations needed
[INFO] [stderr]   --> src/lib.rs:45:28
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 if !buffer.is_null() {
[INFO] [stderr]    |                            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 89 |             cleanup_and_raise!("failed to start the output");
[INFO] [stderr]    |             ------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stderr]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: type annotations needed
[INFO] [stderr]   --> src/lib.rs:45:28
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 if !buffer.is_null() {
[INFO] [stderr]    |                            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 66 |             cleanup_and_raise!("failed to instantiate mpg123");
[INFO] [stderr]    |             --------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(tyvar_behind_raw_pointer)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stderr]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: type annotations needed
[INFO] [stderr]   --> src/lib.rs:48:35
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 if !out123_handle.is_null() {
[INFO] [stderr]    |                                   ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 66 |             cleanup_and_raise!("failed to instantiate mpg123");
[INFO] [stderr]    |             --------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stderr]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: type annotations needed
[INFO] [stderr]   --> src/lib.rs:45:28
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 if !buffer.is_null() {
[INFO] [stderr]    |                            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 70 |             cleanup_and_raise!("failed to open the input");
[INFO] [stderr]    |             ----------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stderr]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: type annotations needed
[INFO] [stderr]   --> src/lib.rs:45:28
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 if !buffer.is_null() {
[INFO] [stderr]    |                            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 77 |             cleanup_and_raise!("failed to get the format");
[INFO] [stderr]    |             ----------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stderr]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: type annotations needed
[INFO] [stderr]   --> src/lib.rs:45:28
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 if !buffer.is_null() {
[INFO] [stderr]    |                            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 81 |             cleanup_and_raise!("failed to instantiate out123");
[INFO] [stderr]    |             --------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stderr]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: type annotations needed
[INFO] [stderr]   --> src/lib.rs:45:28
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 if !buffer.is_null() {
[INFO] [stderr]    |                            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 85 |             cleanup_and_raise!("failed to open the output");
[INFO] [stderr]    |             ------------------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stderr]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: type annotations needed
[INFO] [stderr]   --> src/lib.rs:45:28
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 if !buffer.is_null() {
[INFO] [stderr]    |                            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 89 |             cleanup_and_raise!("failed to start the output");
[INFO] [stderr]    |             ------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
[INFO] [stderr]    = note: this warning originates in the macro `cleanup` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/play-0abf88e3ffcb66ac)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests play
[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 1 test
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stdout] test src/lib.rs - (line 5) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 5) stdout ----
[INFO] [stdout] Test executable failed (exit code 127).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] /tmp/rustdoctestJ0Pl9k/rust_out: error while loading shared libraries: libout123.so.0: cannot open shared object file: No such file or directory
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 5)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b4409919a5452865d6a39f1d46373eb670a5459727d444b154b70167f3c6787f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4409919a5452865d6a39f1d46373eb670a5459727d444b154b70167f3c6787f", kill_on_drop: false }`
[INFO] [stdout] b4409919a5452865d6a39f1d46373eb670a5459727d444b154b70167f3c6787f
