[INFO] fetching crate encoder-ryu 1.0.16...
[INFO] testing encoder-ryu-1.0.16 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate encoder-ryu 1.0.16 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate encoder-ryu 1.0.16
[INFO] finished tweaking crates.io crate encoder-ryu 1.0.16
[INFO] tweaked toml for crates.io crate encoder-ryu 1.0.16 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate encoder-ryu 1.0.16 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate encoder-ryu 1.0.16 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded no-panic v0.1.28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3eb83b614e2118cfcabe71cf1ed81e1d90e8cd1df58cf5dcfef604ffa1e324f6
[INFO] running `Command { std: "docker" "start" "-a" "3eb83b614e2118cfcabe71cf1ed81e1d90e8cd1df58cf5dcfef604ffa1e324f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3eb83b614e2118cfcabe71cf1ed81e1d90e8cd1df58cf5dcfef604ffa1e324f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eb83b614e2118cfcabe71cf1ed81e1d90e8cd1df58cf5dcfef604ffa1e324f6", kill_on_drop: false }`
[INFO] [stdout] 3eb83b614e2118cfcabe71cf1ed81e1d90e8cd1df58cf5dcfef604ffa1e324f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5a1c924579af2ede0162c6619eb32ac2eae50bbd3b2f150db2c8b272b41ab83
[INFO] running `Command { std: "docker" "start" "-a" "c5a1c924579af2ede0162c6619eb32ac2eae50bbd3b2f150db2c8b272b41ab83", kill_on_drop: false }`
[INFO] [stderr]    Compiling encoder-ryu v1.0.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "c5a1c924579af2ede0162c6619eb32ac2eae50bbd3b2f150db2c8b272b41ab83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5a1c924579af2ede0162c6619eb32ac2eae50bbd3b2f150db2c8b272b41ab83", kill_on_drop: false }`
[INFO] [stdout] c5a1c924579af2ede0162c6619eb32ac2eae50bbd3b2f150db2c8b272b41ab83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d315cd8aaa2185d249d110ca5989b7d9b8d3961e208fc6752569dd3e15b60970
[INFO] running `Command { std: "docker" "start" "-a" "d315cd8aaa2185d249d110ca5989b7d9b8d3961e208fc6752569dd3e15b60970", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling encoder-ryu v1.0.16 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `ryu`
[INFO] [stdout]   --> tests/d2s_test.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     ryu::Buffer::new().format(f).to_owned()
[INFO] [stdout]    |     ^^^ use of unresolved module or unlinked crate `ryu`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `ryu`, use `cargo add ryu` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 34 + use encoder_ryu::Buffer;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Buffer`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 37 -     ryu::Buffer::new().format(f).to_owned()
[INFO] [stdout] 37 +     Buffer::new().format(f).to_owned()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `ryu`
[INFO] [stdout]   --> tests/d2s_test.rs:62:22
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut buffer = ryu::Buffer::new();
[INFO] [stdout]    |                      ^^^ use of unresolved module or unlinked crate `ryu`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `ryu`, use `cargo add ryu` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 34 + use encoder_ryu::Buffer;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Buffer`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 62 -     let mut buffer = ryu::Buffer::new();
[INFO] [stdout] 62 +     let mut buffer = Buffer::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `ryu`
[INFO] [stdout]   --> tests/d2s_test.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         ryu::Buffer::new().format_finite(f);
[INFO] [stdout]    |         ^^^ use of unresolved module or unlinked crate `ryu`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `ryu`, use `cargo add ryu` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 34 + use encoder_ryu::Buffer;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Buffer`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 75 -         ryu::Buffer::new().format_finite(f);
[INFO] [stdout] 75 +         Buffer::new().format_finite(f);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `exhaustive`
[INFO] [stdout]  --> tests/exhaustive.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg(exhaustive)]
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(exhaustive)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(exhaustive)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `encoder-ryu` (test "d2s_test") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `ryu`
[INFO] [stdout]   --> tests/f2s_test.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     ryu::Buffer::new().format(f).to_owned()
[INFO] [stdout]    |     ^^^ use of unresolved module or unlinked crate `ryu`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `ryu`, use `cargo add ryu` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 32 + use encoder_ryu::Buffer;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Buffer`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 35 -     ryu::Buffer::new().format(f).to_owned()
[INFO] [stdout] 35 +     Buffer::new().format(f).to_owned()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `ryu`
[INFO] [stdout]   --> tests/f2s_test.rs:55:22
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let mut buffer = ryu::Buffer::new();
[INFO] [stdout]    |                      ^^^ use of unresolved module or unlinked crate `ryu`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `ryu`, use `cargo add ryu` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 32 + use encoder_ryu::Buffer;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Buffer`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 55 -     let mut buffer = ryu::Buffer::new();
[INFO] [stdout] 55 +     let mut buffer = Buffer::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `ryu`
[INFO] [stdout]   --> tests/f2s_test.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         ryu::Buffer::new().format_finite(f);
[INFO] [stdout]    |         ^^^ use of unresolved module or unlinked crate `ryu`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `ryu`, use `cargo add ryu` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 32 + use encoder_ryu::Buffer;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Buffer`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 68 -         ryu::Buffer::new().format_finite(f);
[INFO] [stdout] 68 +         Buffer::new().format_finite(f);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `encoder-ryu` (test "f2s_test") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "d315cd8aaa2185d249d110ca5989b7d9b8d3961e208fc6752569dd3e15b60970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d315cd8aaa2185d249d110ca5989b7d9b8d3961e208fc6752569dd3e15b60970", kill_on_drop: false }`
[INFO] [stdout] d315cd8aaa2185d249d110ca5989b7d9b8d3961e208fc6752569dd3e15b60970