[INFO] fetching crate slugencode 0.1.0...
[INFO] building slugencode-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate slugencode 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate slugencode 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate slugencode 0.1.0
[INFO] tweaked toml for crates.io crate slugencode 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate slugencode 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate slugencode 0.1.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded base32ct v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 576e1b4f53608d859b286f6fae9f48144d66a42d32f4f634687cdc2e661f212f
[INFO] running `Command { std: "docker" "start" "-a" "576e1b4f53608d859b286f6fae9f48144d66a42d32f4f634687cdc2e661f212f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "576e1b4f53608d859b286f6fae9f48144d66a42d32f4f634687cdc2e661f212f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "576e1b4f53608d859b286f6fae9f48144d66a42d32f4f634687cdc2e661f212f", kill_on_drop: false }`
[INFO] [stdout] 576e1b4f53608d859b286f6fae9f48144d66a42d32f4f634687cdc2e661f212f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 239a120873fe263e0fb46e2b4b684a082c56247f4e773d0456472f274b428879
[INFO] running `Command { std: "docker" "start" "-a" "239a120873fe263e0fb46e2b4b684a082c56247f4e773d0456472f274b428879", kill_on_drop: false }`
[INFO] [stderr]    Compiling ct-codecs v1.1.6
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling base32ct v0.2.2
[INFO] [stderr]    Compiling bs58 v0.5.1
[INFO] [stderr]    Compiling slugencode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `bs58::encode::Error as bs58Error`
[INFO] [stdout]   --> src/lib.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | use bs58::encode::Error as bs58Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "239a120873fe263e0fb46e2b4b684a082c56247f4e773d0456472f274b428879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "239a120873fe263e0fb46e2b4b684a082c56247f4e773d0456472f274b428879", kill_on_drop: false }`
[INFO] [stdout] 239a120873fe263e0fb46e2b4b684a082c56247f4e773d0456472f274b428879
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79bd805717bf2c91740ae2e26b4f4a93f079669f1b0499c897ee3ddcda2d44de
[INFO] running `Command { std: "docker" "start" "-a" "79bd805717bf2c91740ae2e26b4f4a93f079669f1b0499c897ee3ddcda2d44de", kill_on_drop: false }`
[INFO] [stderr]    Compiling slugencode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `bs58::encode::Error as bs58Error`
[INFO] [stdout]   --> src/lib.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | use bs58::encode::Error as bs58Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bs58::encode::Error as bs58Error`
[INFO] [stdout]   --> src/lib.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | use bs58::encode::Error as bs58Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decoded`
[INFO] [stdout]   --> examples/slugapi.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let decoded = slugencoding.decode(&encoded.unwrap()).expect("Decoding failed");
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decoded`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode` is never used
[INFO] [stdout]   --> examples/slugapi.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn decode() {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message_224`
[INFO] [stdout]    --> src/lib.rs:583:9
[INFO] [stdout]     |
[INFO] [stdout] 583 |     let message_224: &str = "4144675a6e958d600a2d6a859f5b16ab321ec93e47580ec42025be0b";
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message_224`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message_512`
[INFO] [stdout]    --> src/lib.rs:584:9
[INFO] [stdout]     |
[INFO] [stdout] 584 |     let message_512: &str = "62928ef1f4effcfcba350e9e033ed8c07a94066654e1a4be79dd72027f3828480a7c517266a04fd747a8702d7087a298484c525bdd1b...
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message_512`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `byte_vec`
[INFO] [stdout]    --> src/lib.rs:587:9
[INFO] [stdout]     |
[INFO] [stdout] 587 |     let byte_vec: Vec<u8> = bytes.to_vec();
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_byte_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message_224`
[INFO] [stdout]    --> src/lib.rs:614:9
[INFO] [stdout]     |
[INFO] [stdout] 614 |     let message_224: &str = "4144675a6e958d600a2d6a859f5b16ab321ec93e47580ec42025be0b";
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message_224`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message_512`
[INFO] [stdout]    --> src/lib.rs:615:9
[INFO] [stdout]     |
[INFO] [stdout] 615 |     let message_512: &str = "62928ef1f4effcfcba350e9e033ed8c07a94066654e1a4be79dd72027f3828480a7c517266a04fd747a8702d7087a298484c525bdd1b...
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message_512`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `byte_vec`
[INFO] [stdout]    --> src/lib.rs:618:9
[INFO] [stdout]     |
[INFO] [stdout] 618 |     let byte_vec: Vec<u8> = bytes.to_vec();
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_byte_vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "79bd805717bf2c91740ae2e26b4f4a93f079669f1b0499c897ee3ddcda2d44de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79bd805717bf2c91740ae2e26b4f4a93f079669f1b0499c897ee3ddcda2d44de", kill_on_drop: false }`
[INFO] [stdout] 79bd805717bf2c91740ae2e26b4f4a93f079669f1b0499c897ee3ddcda2d44de