[INFO] fetching crate fast_fmt 0.1.3...
[INFO] checking fast_fmt-0.1.3 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate fast_fmt 0.1.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fast_fmt 0.1.3 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded numtoa v0.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef7823a36f078e7cbfda5d0df923e8d2ee5b6803f946092e49c24ac895e46df9
[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" "ef7823a36f078e7cbfda5d0df923e8d2ee5b6803f946092e49c24ac895e46df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef7823a36f078e7cbfda5d0df923e8d2ee5b6803f946092e49c24ac895e46df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef7823a36f078e7cbfda5d0df923e8d2ee5b6803f946092e49c24ac895e46df9", kill_on_drop: false }`
[INFO] [stdout] ef7823a36f078e7cbfda5d0df923e8d2ee5b6803f946092e49c24ac895e46df9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6f3e1a32a24645fd5bcf3fc755c43c63998e54deb789d51e50b5c2180c030ce
[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" "a6f3e1a32a24645fd5bcf3fc755c43c63998e54deb789d51e50b5c2180c030ce", kill_on_drop: false }`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking numtoa v0.0.7
[INFO] [stderr]     Checking 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:22:61
[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:22:61
[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:22:61
[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: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/int_impls.rs:22:61
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "a6f3e1a32a24645fd5bcf3fc755c43c63998e54deb789d51e50b5c2180c030ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6f3e1a32a24645fd5bcf3fc755c43c63998e54deb789d51e50b5c2180c030ce", kill_on_drop: false }`
[INFO] [stdout] a6f3e1a32a24645fd5bcf3fc755c43c63998e54deb789d51e50b5c2180c030ce