[INFO] fetching crate dtoa 0.4.4...
[INFO] checking dtoa-0.4.4 against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] extracting crate dtoa 0.4.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dtoa 0.4.4 on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate dtoa 0.4.4
[INFO] finished tweaking crates.io crate dtoa 0.4.4
[INFO] tweaked toml for crates.io crate dtoa 0.4.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 38a7b3011681d3845a2037d5822a42883009ef428c2040df4d881272f8aad403
[INFO] running `"docker" "start" "-a" "38a7b3011681d3845a2037d5822a42883009ef428c2040df4d881272f8aad403"`
[INFO] [stderr]     Checking dtoa v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dtoa.rs:476:13
[INFO] [stderr]     |
[INFO] [stderr] 476 |               try!(wr.write_all(b"-0.0"));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:69:9
[INFO] [stderr]     |
[INFO] [stderr] 69  | /         dtoa! {
[INFO] [stderr] 70  | |             floating_type: f32,
[INFO] [stderr] 71  | |             significand_type: u32,
[INFO] [stderr] 72  | |             exponent_type: i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 83  | |             min_power: (-36),
[INFO] [stderr] 84  | |         };
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dtoa.rs:479:13
[INFO] [stderr]     |
[INFO] [stderr] 479 |               try!(wr.write_all(b"0.0"));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:69:9
[INFO] [stderr]     |
[INFO] [stderr] 69  | /         dtoa! {
[INFO] [stderr] 70  | |             floating_type: f32,
[INFO] [stderr] 71  | |             significand_type: u32,
[INFO] [stderr] 72  | |             exponent_type: i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 83  | |             min_power: (-36),
[INFO] [stderr] 84  | |         };
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dtoa.rs:485:13
[INFO] [stderr]     |
[INFO] [stderr] 485 |               try!(wr.write_all(b"-"));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:69:9
[INFO] [stderr]     |
[INFO] [stderr] 69  | /         dtoa! {
[INFO] [stderr] 70  | |             floating_type: f32,
[INFO] [stderr] 71  | |             significand_type: u32,
[INFO] [stderr] 72  | |             exponent_type: i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 83  | |             min_power: (-36),
[INFO] [stderr] 84  | |         };
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dtoa.rs:493:9
[INFO] [stderr]     |
[INFO] [stderr] 493 |           try!(wr.write_all(slice::from_raw_parts(buf_ptr, len)));
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:69:9
[INFO] [stderr]     |
[INFO] [stderr] 69  | /         dtoa! {
[INFO] [stderr] 70  | |             floating_type: f32,
[INFO] [stderr] 71  | |             significand_type: u32,
[INFO] [stderr] 72  | |             exponent_type: i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 83  | |             min_power: (-36),
[INFO] [stderr] 84  | |         };
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dtoa.rs:476:13
[INFO] [stderr]     |
[INFO] [stderr] 476 |               try!(wr.write_all(b"-0.0"));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:91:9
[INFO] [stderr]     |
[INFO] [stderr] 91  | /         dtoa! {
[INFO] [stderr] 92  | |             floating_type: f64,
[INFO] [stderr] 93  | |             significand_type: u64,
[INFO] [stderr] 94  | |             exponent_type: isize,
[INFO] [stderr] ...   |
[INFO] [stderr] 105 | |             min_power: (-348),
[INFO] [stderr] 106 | |         };
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dtoa.rs:479:13
[INFO] [stderr]     |
[INFO] [stderr] 479 |               try!(wr.write_all(b"0.0"));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:91:9
[INFO] [stderr]     |
[INFO] [stderr] 91  | /         dtoa! {
[INFO] [stderr] 92  | |             floating_type: f64,
[INFO] [stderr] 93  | |             significand_type: u64,
[INFO] [stderr] 94  | |             exponent_type: isize,
[INFO] [stderr] ...   |
[INFO] [stderr] 105 | |             min_power: (-348),
[INFO] [stderr] 106 | |         };
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dtoa.rs:485:13
[INFO] [stderr]     |
[INFO] [stderr] 485 |               try!(wr.write_all(b"-"));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:91:9
[INFO] [stderr]     |
[INFO] [stderr] 91  | /         dtoa! {
[INFO] [stderr] 92  | |             floating_type: f64,
[INFO] [stderr] 93  | |             significand_type: u64,
[INFO] [stderr] 94  | |             exponent_type: isize,
[INFO] [stderr] ...   |
[INFO] [stderr] 105 | |             min_power: (-348),
[INFO] [stderr] 106 | |         };
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dtoa.rs:493:9
[INFO] [stderr]     |
[INFO] [stderr] 493 |           try!(wr.write_all(slice::from_raw_parts(buf_ptr, len)));
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:91:9
[INFO] [stderr]     |
[INFO] [stderr] 91  | /         dtoa! {
[INFO] [stderr] 92  | |             floating_type: f64,
[INFO] [stderr] 93  | |             significand_type: u64,
[INFO] [stderr] 94  | |             exponent_type: isize,
[INFO] [stderr] ...   |
[INFO] [stderr] 105 | |             min_power: (-348),
[INFO] [stderr] 106 | |         };
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/dtoa.rs:488:36
[INFO] [stderr]     |
[INFO] [stderr] 488 |           let mut buffer: [u8; 24] = mem::uninitialized();
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:69:9
[INFO] [stderr]     |
[INFO] [stderr] 69  | /         dtoa! {
[INFO] [stderr] 70  | |             floating_type: f32,
[INFO] [stderr] 71  | |             significand_type: u32,
[INFO] [stderr] 72  | |             exponent_type: i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 83  | |             min_power: (-36),
[INFO] [stderr] 84  | |         };
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/dtoa.rs:488:36
[INFO] [stderr]     |
[INFO] [stderr] 488 |           let mut buffer: [u8; 24] = mem::uninitialized();
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:91:9
[INFO] [stderr]     |
[INFO] [stderr] 91  | /         dtoa! {
[INFO] [stderr] 92  | |             floating_type: f64,
[INFO] [stderr] 93  | |             significand_type: u64,
[INFO] [stderr] 94  | |             exponent_type: isize,
[INFO] [stderr] ...   |
[INFO] [stderr] 105 | |             min_power: (-348),
[INFO] [stderr] 106 | |         };
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dtoa.rs:476:13
[INFO] [stderr]     |
[INFO] [stderr] 476 |               try!(wr.write_all(b"-0.0"));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:69:9
[INFO] [stderr]     |
[INFO] [stderr] 69  | /         dtoa! {
[INFO] [stderr] 70  | |             floating_type: f32,
[INFO] [stderr] 71  | |             significand_type: u32,
[INFO] [stderr] 72  | |             exponent_type: i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 83  | |             min_power: (-36),
[INFO] [stderr] 84  | |         };
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dtoa.rs:479:13
[INFO] [stderr]     |
[INFO] [stderr] 479 |               try!(wr.write_all(b"0.0"));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:69:9
[INFO] [stderr]     |
[INFO] [stderr] 69  | /         dtoa! {
[INFO] [stderr] 70  | |             floating_type: f32,
[INFO] [stderr] 71  | |             significand_type: u32,
[INFO] [stderr] 72  | |             exponent_type: i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 83  | |             min_power: (-36),
[INFO] [stderr] 84  | |         };
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dtoa.rs:485:13
[INFO] [stderr]     |
[INFO] [stderr] 485 |               try!(wr.write_all(b"-"));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:69:9
[INFO] [stderr]     |
[INFO] [stderr] 69  | /         dtoa! {
[INFO] [stderr] 70  | |             floating_type: f32,
[INFO] [stderr] 71  | |             significand_type: u32,
[INFO] [stderr] 72  | |             exponent_type: i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 83  | |             min_power: (-36),
[INFO] [stderr] 84  | |         };
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dtoa.rs:493:9
[INFO] [stderr]     |
[INFO] [stderr] 493 |           try!(wr.write_all(slice::from_raw_parts(buf_ptr, len)));
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:69:9
[INFO] [stderr]     |
[INFO] [stderr] 69  | /         dtoa! {
[INFO] [stderr] 70  | |             floating_type: f32,
[INFO] [stderr] 71  | |             significand_type: u32,
[INFO] [stderr] 72  | |             exponent_type: i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 83  | |             min_power: (-36),
[INFO] [stderr] 84  | |         };
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dtoa.rs:476:13
[INFO] [stderr]     |
[INFO] [stderr] 476 |               try!(wr.write_all(b"-0.0"));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:91:9
[INFO] [stderr]     |
[INFO] [stderr] 91  | /         dtoa! {
[INFO] [stderr] 92  | |             floating_type: f64,
[INFO] [stderr] 93  | |             significand_type: u64,
[INFO] [stderr] 94  | |             exponent_type: isize,
[INFO] [stderr] ...   |
[INFO] [stderr] 105 | |             min_power: (-348),
[INFO] [stderr] 106 | |         };
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dtoa.rs:479:13
[INFO] [stderr]     |
[INFO] [stderr] 479 |               try!(wr.write_all(b"0.0"));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:91:9
[INFO] [stderr]     |
[INFO] [stderr] 91  | /         dtoa! {
[INFO] [stderr] 92  | |             floating_type: f64,
[INFO] [stderr] 93  | |             significand_type: u64,
[INFO] [stderr] 94  | |             exponent_type: isize,
[INFO] [stderr] ...   |
[INFO] [stderr] 105 | |             min_power: (-348),
[INFO] [stderr] 106 | |         };
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dtoa.rs:485:13
[INFO] [stderr]     |
[INFO] [stderr] 485 |               try!(wr.write_all(b"-"));
[INFO] [stderr]     |               ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:91:9
[INFO] [stderr]     |
[INFO] [stderr] 91  | /         dtoa! {
[INFO] [stderr] 92  | |             floating_type: f64,
[INFO] [stderr] 93  | |             significand_type: u64,
[INFO] [stderr] 94  | |             exponent_type: isize,
[INFO] [stderr] ...   |
[INFO] [stderr] 105 | |             min_power: (-348),
[INFO] [stderr] 106 | |         };
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/dtoa.rs:493:9
[INFO] [stderr]     |
[INFO] [stderr] 493 |           try!(wr.write_all(slice::from_raw_parts(buf_ptr, len)));
[INFO] [stderr]     |           ^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:91:9
[INFO] [stderr]     |
[INFO] [stderr] 91  | /         dtoa! {
[INFO] [stderr] 92  | |             floating_type: f64,
[INFO] [stderr] 93  | |             significand_type: u64,
[INFO] [stderr] 94  | |             exponent_type: isize,
[INFO] [stderr] ...   |
[INFO] [stderr] 105 | |             min_power: (-348),
[INFO] [stderr] 106 | |         };
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/dtoa.rs:488:36
[INFO] [stderr]     |
[INFO] [stderr] 488 |           let mut buffer: [u8; 24] = mem::uninitialized();
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:69:9
[INFO] [stderr]     |
[INFO] [stderr] 69  | /         dtoa! {
[INFO] [stderr] 70  | |             floating_type: f32,
[INFO] [stderr] 71  | |             significand_type: u32,
[INFO] [stderr] 72  | |             exponent_type: i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 83  | |             min_power: (-36),
[INFO] [stderr] 84  | |         };
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/dtoa.rs:488:36
[INFO] [stderr]     |
[INFO] [stderr] 488 |           let mut buffer: [u8; 24] = mem::uninitialized();
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:91:9
[INFO] [stderr]     |
[INFO] [stderr] 91  | /         dtoa! {
[INFO] [stderr] 92  | |             floating_type: f64,
[INFO] [stderr] 93  | |             significand_type: u64,
[INFO] [stderr] 94  | |             exponent_type: isize,
[INFO] [stderr] ...   |
[INFO] [stderr] 105 | |             min_power: (-348),
[INFO] [stderr] 106 | |         };
[INFO] [stderr]     | |__________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "38a7b3011681d3845a2037d5822a42883009ef428c2040df4d881272f8aad403"`
[INFO] running `"docker" "rm" "-f" "38a7b3011681d3845a2037d5822a42883009ef428c2040df4d881272f8aad403"`
[INFO] [stdout] 38a7b3011681d3845a2037d5822a42883009ef428c2040df4d881272f8aad403