[INFO] fetching crate fast_fmt 0.1.3...
[INFO] testing fast_fmt-0.1.3 against 1.54.0 for beta-1.55-1
[INFO] extracting crate fast_fmt 0.1.3 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate fast_fmt 0.1.3 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 fast_fmt 0.1.3
[INFO] finished tweaking crates.io crate fast_fmt 0.1.3
[INFO] tweaked toml for crates.io crate fast_fmt 0.1.3 written to /workspace/builds/worker-101/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 44ce4afdcf83e2ff6175546aec1b6d73eadd0ffa5ff5ddb29d2ce0f3594fa1e1
[INFO] running `Command { std: "docker" "start" "-a" "44ce4afdcf83e2ff6175546aec1b6d73eadd0ffa5ff5ddb29d2ce0f3594fa1e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44ce4afdcf83e2ff6175546aec1b6d73eadd0ffa5ff5ddb29d2ce0f3594fa1e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44ce4afdcf83e2ff6175546aec1b6d73eadd0ffa5ff5ddb29d2ce0f3594fa1e1", kill_on_drop: false }`
[INFO] [stdout] 44ce4afdcf83e2ff6175546aec1b6d73eadd0ffa5ff5ddb29d2ce0f3594fa1e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 060d3af29a701d25b63d4290d6b53220f060159d8bc4943b629b2bcc5deade59
[INFO] running `Command { std: "docker" "start" "-a" "060d3af29a701d25b63d4290d6b53220f060159d8bc4943b629b2bcc5deade59", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling numtoa v0.0.7
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling fast_fmt v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/int_impls.rs:22:56
[INFO] [stdout]    |
[INFO] [stdout] 22 |                           let mut buffer: [u8; $N + 1] = mem::uninitialized();
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 | / impls! {
[INFO] [stdout] 43 | |     (i8, 4),
[INFO] [stdout] 44 | |     (i16, 6),
[INFO] [stdout] 45 | |     (i32, 11),
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |     (u64, 20),
[INFO] [stdout] 51 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/int_impls.rs:22:56
[INFO] [stdout]    |
[INFO] [stdout] 22 |                           let mut buffer: [u8; $N + 1] = mem::uninitialized();
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 | / impls! {
[INFO] [stdout] 43 | |     (i8, 4),
[INFO] [stdout] 44 | |     (i16, 6),
[INFO] [stdout] 45 | |     (i32, 11),
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |     (u64, 20),
[INFO] [stdout] 51 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "060d3af29a701d25b63d4290d6b53220f060159d8bc4943b629b2bcc5deade59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "060d3af29a701d25b63d4290d6b53220f060159d8bc4943b629b2bcc5deade59", kill_on_drop: false }`
[INFO] [stdout] 060d3af29a701d25b63d4290d6b53220f060159d8bc4943b629b2bcc5deade59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] e97610ff1ceb2d5359d923f95b3b8fb86f856f73955c00be45fb09a8e04b3aac
[INFO] running `Command { std: "docker" "start" "-a" "e97610ff1ceb2d5359d923f95b3b8fb86f856f73955c00be45fb09a8e04b3aac", kill_on_drop: false }`
[INFO] [stderr]    Compiling fast_fmt v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/int_impls.rs:22:56
[INFO] [stdout]    |
[INFO] [stdout] 22 |                           let mut buffer: [u8; $N + 1] = mem::uninitialized();
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 | / impls! {
[INFO] [stdout] 43 | |     (i8, 4),
[INFO] [stdout] 44 | |     (i16, 6),
[INFO] [stdout] 45 | |     (i32, 11),
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |     (u64, 20),
[INFO] [stdout] 51 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/int_impls.rs:22:56
[INFO] [stdout]    |
[INFO] [stdout] 22 |                           let mut buffer: [u8; $N + 1] = mem::uninitialized();
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 | / impls! {
[INFO] [stdout] 43 | |     (i8, 4),
[INFO] [stdout] 44 | |     (i16, 6),
[INFO] [stdout] 45 | |     (i32, 11),
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |     (u64, 20),
[INFO] [stdout] 51 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/int_impls.rs:22:56
[INFO] [stdout]    |
[INFO] [stdout] 22 |                           let mut buffer: [u8; $N + 1] = mem::uninitialized();
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 | / impls! {
[INFO] [stdout] 43 | |     (i8, 4),
[INFO] [stdout] 44 | |     (i16, 6),
[INFO] [stdout] 45 | |     (i32, 11),
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |     (u64, 20),
[INFO] [stdout] 51 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/int_impls.rs:22:56
[INFO] [stdout]    |
[INFO] [stdout] 22 |                           let mut buffer: [u8; $N + 1] = mem::uninitialized();
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 | / impls! {
[INFO] [stdout] 43 | |     (i8, 4),
[INFO] [stdout] 44 | |     (i16, 6),
[INFO] [stdout] 45 | |     (i32, 11),
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |     (u64, 20),
[INFO] [stdout] 51 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "e97610ff1ceb2d5359d923f95b3b8fb86f856f73955c00be45fb09a8e04b3aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e97610ff1ceb2d5359d923f95b3b8fb86f856f73955c00be45fb09a8e04b3aac", kill_on_drop: false }`
[INFO] [stdout] e97610ff1ceb2d5359d923f95b3b8fb86f856f73955c00be45fb09a8e04b3aac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 9e6c682411e2dea29fc152ba1343567d247d0bf8397579fb9609424ee9fdf674
[INFO] running `Command { std: "docker" "start" "-a" "9e6c682411e2dea29fc152ba1343567d247d0bf8397579fb9609424ee9fdf674", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/int_impls.rs:22:56
[INFO] [stderr]    |
[INFO] [stderr] 22 |                           let mut buffer: [u8; $N + 1] = mem::uninitialized();
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 42 | / impls! {
[INFO] [stderr] 43 | |     (i8, 4),
[INFO] [stderr] 44 | |     (i16, 6),
[INFO] [stderr] 45 | |     (i32, 11),
[INFO] [stderr] ...  |
[INFO] [stderr] 50 | |     (u64, 20),
[INFO] [stderr] 51 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/int_impls.rs:22:56
[INFO] [stderr]    |
[INFO] [stderr] 22 |                           let mut buffer: [u8; $N + 1] = mem::uninitialized();
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 42 | / impls! {
[INFO] [stderr] 43 | |     (i8, 4),
[INFO] [stderr] 44 | |     (i16, 6),
[INFO] [stderr] 45 | |     (i32, 11),
[INFO] [stderr] ...  |
[INFO] [stderr] 50 | |     (u64, 20),
[INFO] [stderr] 51 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/int_impls.rs:22:56
[INFO] [stderr]    |
[INFO] [stderr] 22 |                           let mut buffer: [u8; $N + 1] = mem::uninitialized();
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 42 | / impls! {
[INFO] [stderr] 43 | |     (i8, 4),
[INFO] [stderr] 44 | |     (i16, 6),
[INFO] [stderr] 45 | |     (i32, 11),
[INFO] [stderr] ...  |
[INFO] [stderr] 50 | |     (u64, 20),
[INFO] [stderr] 51 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/int_impls.rs:22:56
[INFO] [stderr]    |
[INFO] [stderr] 22 |                           let mut buffer: [u8; $N + 1] = mem::uninitialized();
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 42 | / impls! {
[INFO] [stderr] 43 | |     (i8, 4),
[INFO] [stderr] 44 | |     (i16, 6),
[INFO] [stderr] 45 | |     (i32, 11),
[INFO] [stderr] ...  |
[INFO] [stderr] 50 | |     (u64, 20),
[INFO] [stderr] 51 | | }
[INFO] [stderr]    | |_- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `impls` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fast_fmt-0e509da3ce2caddd)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::buffer_overflow ... ok
[INFO] [stdout] test tests::chain ... ok
[INFO] [stdout] test tests::instantiated_fmt ... ok
[INFO] [stdout] test tests::slice_write ... ok
[INFO] [stdout] test tests::str_fmt ... ok
[INFO] [stdout] test tests::transform ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fast_fmt
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9e6c682411e2dea29fc152ba1343567d247d0bf8397579fb9609424ee9fdf674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e6c682411e2dea29fc152ba1343567d247d0bf8397579fb9609424ee9fdf674", kill_on_drop: false }`
[INFO] [stdout] 9e6c682411e2dea29fc152ba1343567d247d0bf8397579fb9609424ee9fdf674
