[INFO] fetching crate fast_fmt 0.1.3...
[INFO] checking fast_fmt-0.1.3 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate fast_fmt 0.1.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate fast_fmt 0.1.3 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", 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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6822f4da8baf0934d4d1c844f6e57b1d47d57e6430808e1f20fb719d23e7cc67
[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" "6822f4da8baf0934d4d1c844f6e57b1d47d57e6430808e1f20fb719d23e7cc67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6822f4da8baf0934d4d1c844f6e57b1d47d57e6430808e1f20fb719d23e7cc67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6822f4da8baf0934d4d1c844f6e57b1d47d57e6430808e1f20fb719d23e7cc67", kill_on_drop: false }`
[INFO] [stdout] 6822f4da8baf0934d4d1c844f6e57b1d47d57e6430808e1f20fb719d23e7cc67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--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] 6353ea228f282038bc0a3055b57f515524836ed9977439e7729802be512544d8
[INFO] running `Command { std: "docker" "start" "-a" "6353ea228f282038bc0a3055b57f515524836ed9977439e7729802be512544d8", 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:22:56
[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 a macro (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 a macro (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: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (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 a macro (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 1.12s
[INFO] running `Command { std: "docker" "inspect" "6353ea228f282038bc0a3055b57f515524836ed9977439e7729802be512544d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6353ea228f282038bc0a3055b57f515524836ed9977439e7729802be512544d8", kill_on_drop: false }`
[INFO] [stdout] 6353ea228f282038bc0a3055b57f515524836ed9977439e7729802be512544d8