[INFO] fetching crate convchain 0.2.1...
[INFO] checking convchain-0.2.1 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate convchain 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate convchain 0.2.1 on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate convchain 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate convchain 0.2.1
[INFO] tweaked toml for crates.io crate convchain 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate convchain 0.2.1 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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d7945116068f2ea4940fdf49b1a23bdfc96ef76c9c77c31d7d894dd8376f2fb
[INFO] running `Command { std: "docker" "start" "-a" "0d7945116068f2ea4940fdf49b1a23bdfc96ef76c9c77c31d7d894dd8376f2fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d7945116068f2ea4940fdf49b1a23bdfc96ef76c9c77c31d7d894dd8376f2fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d7945116068f2ea4940fdf49b1a23bdfc96ef76c9c77c31d7d894dd8376f2fb", kill_on_drop: false }`
[INFO] [stdout] 0d7945116068f2ea4940fdf49b1a23bdfc96ef76c9c77c31d7d894dd8376f2fb
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f1e93818bcf4901d1c671ff42ddec2104ba7a61ef4a80ffd8b1a8786de5dae8
[INFO] running `Command { std: "docker" "start" "-a" "2f1e93818bcf4901d1c671ff42ddec2104ba7a61ef4a80ffd8b1a8786de5dae8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking ryu v1.0.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking convchain v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]   --> src/fast.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let field = &self.field;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stdout] warning: unused import: `convchain::slow`
[INFO] [stdout]  --> examples/conv_chain.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use convchain::slow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `conv_chain_slow` in this scope
[INFO] [stdout]   --> examples/conv_chain.rs:24:26
[INFO] [stdout]    |
[INFO] [stdout] 24 |             let result = conv_chain_slow(
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]   --> src/fast.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let field = &self.field;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `convchain` (example "slow") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2f1e93818bcf4901d1c671ff42ddec2104ba7a61ef4a80ffd8b1a8786de5dae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f1e93818bcf4901d1c671ff42ddec2104ba7a61ef4a80ffd8b1a8786de5dae8", kill_on_drop: false }`
[INFO] [stdout] 2f1e93818bcf4901d1c671ff42ddec2104ba7a61ef4a80ffd8b1a8786de5dae8
[INFO] checking convchain-0.2.1 against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] extracting crate convchain 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate convchain 0.2.1 on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate convchain 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate convchain 0.2.1
[INFO] tweaked toml for crates.io crate convchain 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate convchain 0.2.1 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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d6cc454f61fc2139f90a2e494add2f9f6ec5d2f3e1e02c8fd12faf6df465276
[INFO] running `Command { std: "docker" "start" "-a" "6d6cc454f61fc2139f90a2e494add2f9f6ec5d2f3e1e02c8fd12faf6df465276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d6cc454f61fc2139f90a2e494add2f9f6ec5d2f3e1e02c8fd12faf6df465276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d6cc454f61fc2139f90a2e494add2f9f6ec5d2f3e1e02c8fd12faf6df465276", kill_on_drop: false }`
[INFO] [stdout] 6d6cc454f61fc2139f90a2e494add2f9f6ec5d2f3e1e02c8fd12faf6df465276
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 434dd3739ac6e9d1af241bbb13be39f643fc0f6e5849bdfee638156a7e4ea260
[INFO] running `Command { std: "docker" "start" "-a" "434dd3739ac6e9d1af241bbb13be39f643fc0f6e5849bdfee638156a7e4ea260", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking ryu v1.0.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking convchain v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]   --> src/fast.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let field = &self.field;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stdout] warning: unused import: `convchain::slow`
[INFO] [stdout]  --> examples/conv_chain.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use convchain::slow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]   --> src/fast.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let field = &self.field;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `conv_chain_slow` in this scope
[INFO] [stdout]   --> examples/conv_chain.rs:24:26
[INFO] [stdout]    |
[INFO] [stdout] 24 |             let result = conv_chain_slow(
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `convchain` (example "slow") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "434dd3739ac6e9d1af241bbb13be39f643fc0f6e5849bdfee638156a7e4ea260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "434dd3739ac6e9d1af241bbb13be39f643fc0f6e5849bdfee638156a7e4ea260", kill_on_drop: false }`
[INFO] [stdout] 434dd3739ac6e9d1af241bbb13be39f643fc0f6e5849bdfee638156a7e4ea260
