[INFO] fetching crate jk-cosmwasm-std 0.16.2...
[INFO] testing jk-cosmwasm-std-0.16.2 against nightly-2024-10-28+rustflags=-Zrandomize-layout for randomize-layout
[INFO] extracting crate jk-cosmwasm-std 0.16.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate jk-cosmwasm-std 0.16.2 on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate jk-cosmwasm-std 0.16.2
[INFO] finished tweaking crates.io crate jk-cosmwasm-std 0.16.2
[INFO] tweaked toml for crates.io crate jk-cosmwasm-std 0.16.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate jk-cosmwasm-std 0.16.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3de0234c914944dcc97b54dba893cdb57b604044693c1a260baa2e117e5cd5ab
[INFO] running `Command { std: "docker" "start" "-a" "3de0234c914944dcc97b54dba893cdb57b604044693c1a260baa2e117e5cd5ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3de0234c914944dcc97b54dba893cdb57b604044693c1a260baa2e117e5cd5ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3de0234c914944dcc97b54dba893cdb57b604044693c1a260baa2e117e5cd5ab", kill_on_drop: false }`
[INFO] [stdout] 3de0234c914944dcc97b54dba893cdb57b604044693c1a260baa2e117e5cd5ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Zrandomize-layout" "-e" "RUSTDOCFLAGS=--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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8068a45ad2851421a29aa5afc26a06470c25f1949392a755635858b420f71daa
[INFO] running `Command { std: "docker" "start" "-a" "8068a45ad2851421a29aa5afc26a06470c25f1949392a755635858b420f71daa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling zeroize v1.4.3
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling const-oid v0.6.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling schemars v0.8.8
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling der v0.4.5
[INFO] [stderr]    Compiling dyn-clone v1.0.4
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling uint v0.9.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling spki v0.4.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling pkcs8 v0.7.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling ff v0.10.1
[INFO] [stderr]    Compiling group v0.10.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling crypto-bigint v0.2.11
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling signature v1.3.2
[INFO] [stderr]    Compiling curve25519-dalek v3.2.0
[INFO] [stderr]    Compiling elliptic-curve v0.10.6
[INFO] [stderr]    Compiling ecdsa v0.12.4
[INFO] [stderr]    Compiling k256 v0.9.6
[INFO] [stderr]    Compiling serde_derive_internals v0.25.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling schemars_derive v0.8.8
[INFO] [stderr]    Compiling cosmwasm-derive v0.16.2
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling ed25519-zebra v2.2.0
[INFO] [stderr]    Compiling serde-json-wasm v0.3.1
[INFO] [stderr]    Compiling cosmwasm-crypto v0.16.2
[INFO] [stderr]    Compiling jk-cosmwasm-std v0.16.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.96s
[INFO] running `Command { std: "docker" "inspect" "8068a45ad2851421a29aa5afc26a06470c25f1949392a755635858b420f71daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8068a45ad2851421a29aa5afc26a06470c25f1949392a755635858b420f71daa", kill_on_drop: false }`
[INFO] [stdout] 8068a45ad2851421a29aa5afc26a06470c25f1949392a755635858b420f71daa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Zrandomize-layout" "-e" "RUSTDOCFLAGS=--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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48f83b64eb56c88f8ea473bdda0908142c26cc39f9475af7f8fca7159631b50a
[INFO] running `Command { std: "docker" "start" "-a" "48f83b64eb56c88f8ea473bdda0908142c26cc39f9475af7f8fca7159631b50a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling jk-cosmwasm-std v0.16.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `cosmwasm_schema`
[INFO] [stdout]  --> examples/schema.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use cosmwasm_schema::{export_schema, export_schema_with_title, remove_schemas, schema_for};
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ use of undeclared crate or module `cosmwasm_schema`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `cosmwasm_std`
[INFO] [stdout]  --> examples/schema.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use cosmwasm_std::{CosmosMsg, Timestamp};
[INFO] [stdout]   |     ^^^^^^^^^^^^ use of undeclared crate or module `cosmwasm_std`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 5 | use jk_cosmwasm_std::{CosmosMsg, Timestamp};
[INFO] [stdout]   |     ~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jk-cosmwasm-std` (example "schema") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/math/isqrt.rs:63:24
[INFO] [stdout]    |
[INFO] [stdout] 63 |         assert_eq!(0u8.isqrt(), 0);
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `isqrt::Isqrt::isqrt(...)` to keep using the current method
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout] help: add `#![feature(isqrt)]` to the crate attributes to enable `core::num::<impl u8>::isqrt`
[INFO] [stdout]   --> src/lib.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  + #![feature(isqrt)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/math/isqrt.rs:64:24
[INFO] [stdout]    |
[INFO] [stdout] 64 |         assert_eq!(1u8.isqrt(), 1);
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `isqrt::Isqrt::isqrt(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(isqrt)]` to the crate attributes to enable `core::num::<impl u8>::isqrt`
[INFO] [stdout]   --> src/lib.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  + #![feature(isqrt)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/math/isqrt.rs:65:25
[INFO] [stdout]    |
[INFO] [stdout] 65 |         assert_eq!(24u8.isqrt(), 4);
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `isqrt::Isqrt::isqrt(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(isqrt)]` to the crate attributes to enable `core::num::<impl u8>::isqrt`
[INFO] [stdout]   --> src/lib.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  + #![feature(isqrt)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/math/isqrt.rs:66:25
[INFO] [stdout]    |
[INFO] [stdout] 66 |         assert_eq!(25u8.isqrt(), 5);
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `isqrt::Isqrt::isqrt(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(isqrt)]` to the crate attributes to enable `core::num::<impl u8>::isqrt`
[INFO] [stdout]   --> src/lib.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  + #![feature(isqrt)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/math/isqrt.rs:67:25
[INFO] [stdout]    |
[INFO] [stdout] 67 |         assert_eq!(26u8.isqrt(), 5);
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `isqrt::Isqrt::isqrt(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(isqrt)]` to the crate attributes to enable `core::num::<impl u8>::isqrt`
[INFO] [stdout]   --> src/lib.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  + #![feature(isqrt)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/math/isqrt.rs:68:25
[INFO] [stdout]    |
[INFO] [stdout] 68 |         assert_eq!(36u8.isqrt(), 6);
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `isqrt::Isqrt::isqrt(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(isqrt)]` to the crate attributes to enable `core::num::<impl u8>::isqrt`
[INFO] [stdout]   --> src/lib.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  + #![feature(isqrt)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/math/isqrt.rs:71:25
[INFO] [stdout]    |
[INFO] [stdout] 71 |         assert_eq!(26u8.isqrt(), 5);
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `isqrt::Isqrt::isqrt(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(isqrt)]` to the crate attributes to enable `core::num::<impl u8>::isqrt`
[INFO] [stdout]   --> src/lib.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  + #![feature(isqrt)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/math/isqrt.rs:72:26
[INFO] [stdout]    |
[INFO] [stdout] 72 |         assert_eq!(26u16.isqrt(), 5);
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `isqrt::Isqrt::isqrt(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(isqrt)]` to the crate attributes to enable `core::num::<impl u16>::isqrt`
[INFO] [stdout]   --> src/lib.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  + #![feature(isqrt)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/math/isqrt.rs:73:26
[INFO] [stdout]    |
[INFO] [stdout] 73 |         assert_eq!(26u32.isqrt(), 5);
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `isqrt::Isqrt::isqrt(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(isqrt)]` to the crate attributes to enable `core::num::<impl u32>::isqrt`
[INFO] [stdout]   --> src/lib.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  + #![feature(isqrt)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/math/isqrt.rs:74:26
[INFO] [stdout]    |
[INFO] [stdout] 74 |         assert_eq!(26u64.isqrt(), 5);
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `isqrt::Isqrt::isqrt(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(isqrt)]` to the crate attributes to enable `core::num::<impl u64>::isqrt`
[INFO] [stdout]   --> src/lib.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  + #![feature(isqrt)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/math/isqrt.rs:75:27
[INFO] [stdout]    |
[INFO] [stdout] 75 |         assert_eq!(26u128.isqrt(), 5);
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `isqrt::Isqrt::isqrt(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(isqrt)]` to the crate attributes to enable `core::num::<impl u128>::isqrt`
[INFO] [stdout]   --> src/lib.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  + #![feature(isqrt)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::str::from_utf8` with a invalid literal always return an error
[INFO] [stdout]    --> src/errors/std_error.rs:746:31
[INFO] [stdout]     |
[INFO] [stdout] 746 |         let error: StdError = str::from_utf8(b"Hello \xF0\x90\x80World")
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^--------------------------^
[INFO] [stdout]     |                                              |
[INFO] [stdout]     |                                              the literal was valid UTF-8 up to the 6 bytes
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_from_utf8)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "48f83b64eb56c88f8ea473bdda0908142c26cc39f9475af7f8fca7159631b50a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48f83b64eb56c88f8ea473bdda0908142c26cc39f9475af7f8fca7159631b50a", kill_on_drop: false }`
[INFO] [stdout] 48f83b64eb56c88f8ea473bdda0908142c26cc39f9475af7f8fca7159631b50a
