[INFO] fetching crate lseq 0.1.0...
[INFO] checking lseq-0.1.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate lseq 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate lseq 0.1.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lseq 0.1.0
[INFO] finished tweaking crates.io crate lseq 0.1.0
[INFO] tweaked toml for crates.io crate lseq 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 43 packages to latest compatible versions
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding num v0.1.42 (latest: v0.4.2)
[INFO] [stderr]       Adding num-bigint v0.1.44 (latest: v0.4.4)
[INFO] [stderr]       Adding num-complex v0.1.43 (latest: v0.4.5)
[INFO] [stderr]       Adding num-rational v0.1.42 (latest: v0.4.1)
[INFO] [stderr]       Adding rand v0.3.23 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding skiplist v0.2.10 (latest: v0.5.1)
[INFO] [stderr]       Adding uuid v0.6.5 (latest: v1.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uuid v0.6.5
[INFO] [stderr]   Downloaded skiplist v0.2.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4b3cb2594d6ef93203536106540a6ca960a6c23d749eea8cb75ce5745b8c0d9
[INFO] running `Command { std: "docker" "start" "-a" "f4b3cb2594d6ef93203536106540a6ca960a6c23d749eea8cb75ce5745b8c0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4b3cb2594d6ef93203536106540a6ca960a6c23d749eea8cb75ce5745b8c0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4b3cb2594d6ef93203536106540a6ca960a6c23d749eea8cb75ce5745b8c0d9", kill_on_drop: false }`
[INFO] [stdout] f4b3cb2594d6ef93203536106540a6ca960a6c23d749eea8cb75ce5745b8c0d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fa179826cfd27c617bdf6f5202c1c22b6b7c0e8ba943a7f83ed832ccc739059
[INFO] running `Command { std: "docker" "start" "-a" "7fa179826cfd27c617bdf6f5202c1c22b6b7c0e8ba943a7f83ed832ccc739059", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.2
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling serde v1.0.200
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling rug v1.24.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking skiplist v0.2.10
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking lseq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lseq.rs:38:35
[INFO] [stdout]    |
[INFO] [stdout] 38 |   pub fn debug_base(&self, base: &BitBase) -> String {
[INFO] [stdout]    |                                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 |   pub fn debug_base(&self, base: &dyn BitBase) -> String {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lseq.rs:38:35
[INFO] [stdout]    |
[INFO] [stdout] 38 |   pub fn debug_base(&self, base: &BitBase) -> String {
[INFO] [stdout]    |                                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 |   pub fn debug_base(&self, base: &dyn BitBase) -> String {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_string_radix` found for struct `rug::Integer` in the current scope
[INFO] [stdout]   --> src/lseq.rs:46:45
[INFO] [stdout]    |
[INFO] [stdout] 46 |     println!("digit {} {} {}", digit, digit.to_string_radix(2), size);
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `to_string` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/alloc/src/string.rs:2539:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_string_radix` found for struct `rug::Integer` in the current scope
[INFO] [stdout]   --> src/base.rs:87:25
[INFO] [stdout]    |
[INFO] [stdout] 87 |     println!("{}", left.to_string_radix(2));
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `to_string` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/alloc/src/string.rs:2539:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_string_radix` found for struct `rug::Integer` in the current scope
[INFO] [stdout]   --> src/lseq.rs:49:28
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut string = digit.to_string_radix(2)[1..].to_string();
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `to_string` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/alloc/src/string.rs:2539:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_string_radix` found for struct `rug::Integer` in the current scope
[INFO] [stdout]   --> src/base.rs:88:26
[INFO] [stdout]    |
[INFO] [stdout] 88 |     println!("{}", right.to_string_radix(2));
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `to_string` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/alloc/src/string.rs:2539:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_string_radix` found for struct `rug::Integer` in the current scope
[INFO] [stdout]   --> src/lseq.rs:63:18
[INFO] [stdout]    |
[INFO] [stdout] 63 |       self.digit.to_string_radix(2),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `to_string` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/alloc/src/string.rs:2539:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_string_radix` found for struct `rug::Integer` in the current scope
[INFO] [stdout]   --> src/lseq.rs:46:45
[INFO] [stdout]    |
[INFO] [stdout] 46 |     println!("digit {} {} {}", digit, digit.to_string_radix(2), size);
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `to_string` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/alloc/src/string.rs:2539:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lseq` (lib) due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `to_string_radix` found for struct `rug::Integer` in the current scope
[INFO] [stdout]   --> src/lseq.rs:49:28
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut string = digit.to_string_radix(2)[1..].to_string();
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `to_string` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/alloc/src/string.rs:2539:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_string_radix` found for struct `rug::Integer` in the current scope
[INFO] [stdout]   --> src/lseq.rs:63:18
[INFO] [stdout]    |
[INFO] [stdout] 63 |       self.digit.to_string_radix(2),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `to_string` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/alloc/src/string.rs:2539:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lseq` (lib test) due to 6 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "7fa179826cfd27c617bdf6f5202c1c22b6b7c0e8ba943a7f83ed832ccc739059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fa179826cfd27c617bdf6f5202c1c22b6b7c0e8ba943a7f83ed832ccc739059", kill_on_drop: false }`
[INFO] [stdout] 7fa179826cfd27c617bdf6f5202c1c22b6b7c0e8ba943a7f83ed832ccc739059
[INFO] checking lseq-0.1.0 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate lseq 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate lseq 0.1.0 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lseq 0.1.0
[INFO] finished tweaking crates.io crate lseq 0.1.0
[INFO] tweaked toml for crates.io crate lseq 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 43 packages to latest compatible versions
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding num v0.1.42 (latest: v0.4.2)
[INFO] [stderr]       Adding num-bigint v0.1.44 (latest: v0.4.4)
[INFO] [stderr]       Adding num-complex v0.1.43 (latest: v0.4.5)
[INFO] [stderr]       Adding num-rational v0.1.42 (latest: v0.4.1)
[INFO] [stderr]       Adding rand v0.3.23 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding skiplist v0.2.10 (latest: v0.5.1)
[INFO] [stderr]       Adding uuid v0.6.5 (latest: v1.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72b234b0055e1a2ac00ad1da1d4fdbf5266c2f520d4b22b52380a53654d049b4
[INFO] running `Command { std: "docker" "start" "-a" "72b234b0055e1a2ac00ad1da1d4fdbf5266c2f520d4b22b52380a53654d049b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72b234b0055e1a2ac00ad1da1d4fdbf5266c2f520d4b22b52380a53654d049b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72b234b0055e1a2ac00ad1da1d4fdbf5266c2f520d4b22b52380a53654d049b4", kill_on_drop: false }`
[INFO] [stdout] 72b234b0055e1a2ac00ad1da1d4fdbf5266c2f520d4b22b52380a53654d049b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90ce34b02d36d049c2d7fb8c9355e4031f58a8f09de20551161561ce0969feb1
[INFO] running `Command { std: "docker" "start" "-a" "90ce34b02d36d049c2d7fb8c9355e4031f58a8f09de20551161561ce0969feb1", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.2
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling serde v1.0.200
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.24.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking skiplist v0.2.10
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking lseq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lseq.rs:38:35
[INFO] [stdout]    |
[INFO] [stdout] 38 |   pub fn debug_base(&self, base: &BitBase) -> String {
[INFO] [stdout]    |                                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 |   pub fn debug_base(&self, base: &dyn BitBase) -> String {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lseq.rs:38:35
[INFO] [stdout]    |
[INFO] [stdout] 38 |   pub fn debug_base(&self, base: &BitBase) -> String {
[INFO] [stdout]    |                                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 |   pub fn debug_base(&self, base: &dyn BitBase) -> String {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_string_radix` found for struct `rug::Integer` in the current scope
[INFO] [stdout]   --> src/lseq.rs:46:45
[INFO] [stdout]    |
[INFO] [stdout] 46 |     println!("digit {} {} {}", digit, digit.to_string_radix(2), size);
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `to_string` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/alloc/src/string.rs:2539:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_string_radix` found for struct `rug::Integer` in the current scope
[INFO] [stdout]   --> src/base.rs:87:25
[INFO] [stdout]    |
[INFO] [stdout] 87 |     println!("{}", left.to_string_radix(2));
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `to_string` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/alloc/src/string.rs:2539:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_string_radix` found for struct `rug::Integer` in the current scope
[INFO] [stdout]   --> src/base.rs:88:26
[INFO] [stdout]    |
[INFO] [stdout] 88 |     println!("{}", right.to_string_radix(2));
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `to_string` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/alloc/src/string.rs:2539:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_string_radix` found for struct `rug::Integer` in the current scope
[INFO] [stdout]   --> src/lseq.rs:49:28
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut string = digit.to_string_radix(2)[1..].to_string();
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `to_string` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/alloc/src/string.rs:2539:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_string_radix` found for struct `rug::Integer` in the current scope
[INFO] [stdout]   --> src/lseq.rs:46:45
[INFO] [stdout]    |
[INFO] [stdout] 46 |     println!("digit {} {} {}", digit, digit.to_string_radix(2), size);
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `to_string` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/alloc/src/string.rs:2539:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_string_radix` found for struct `rug::Integer` in the current scope
[INFO] [stdout]   --> src/lseq.rs:63:18
[INFO] [stdout]    |
[INFO] [stdout] 63 |       self.digit.to_string_radix(2),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `to_string` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/alloc/src/string.rs:2539:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lseq` (lib) due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `to_string_radix` found for struct `rug::Integer` in the current scope
[INFO] [stdout]   --> src/lseq.rs:49:28
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut string = digit.to_string_radix(2)[1..].to_string();
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `to_string` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/alloc/src/string.rs:2539:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_string_radix` found for struct `rug::Integer` in the current scope
[INFO] [stdout]   --> src/lseq.rs:63:18
[INFO] [stdout]    |
[INFO] [stdout] 63 |       self.digit.to_string_radix(2),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `to_string` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/alloc/src/string.rs:2539:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lseq` (lib test) due to 6 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "90ce34b02d36d049c2d7fb8c9355e4031f58a8f09de20551161561ce0969feb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90ce34b02d36d049c2d7fb8c9355e4031f58a8f09de20551161561ce0969feb1", kill_on_drop: false }`
[INFO] [stdout] 90ce34b02d36d049c2d7fb8c9355e4031f58a8f09de20551161561ce0969feb1
