[INFO] cloning repository https://github.com/cgcardona/codec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cgcardona/codec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcgcardona%2Fcodec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcgcardona%2Fcodec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37e9a841e8a48fe291a08a5428e3198ab52558c1
[INFO] checking cgcardona/codec against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcgcardona%2Fcodec" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cgcardona/codec on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cgcardona/codec
[INFO] finished tweaking git repo https://github.com/cgcardona/codec
[INFO] tweaked toml for git repo https://github.com/cgcardona/codec written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/cgcardona/codec already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d6fcc7d1c808e33cfa2a8915330638b57c3a31ecdf58aa8f38bcb9c28f3a18c
[INFO] running `Command { std: "docker" "start" "-a" "5d6fcc7d1c808e33cfa2a8915330638b57c3a31ecdf58aa8f38bcb9c28f3a18c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d6fcc7d1c808e33cfa2a8915330638b57c3a31ecdf58aa8f38bcb9c28f3a18c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d6fcc7d1c808e33cfa2a8915330638b57c3a31ecdf58aa8f38bcb9c28f3a18c", kill_on_drop: false }`
[INFO] [stdout] 5d6fcc7d1c808e33cfa2a8915330638b57c3a31ecdf58aa8f38bcb9c28f3a18c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cfbcbb0330c124b75299b0cbecfcc275286915dff4ca8f5e2d040d7c41762b2
[INFO] running `Command { std: "docker" "start" "-a" "9cfbcbb0330c124b75299b0cbecfcc275286915dff4ca8f5e2d040d7c41762b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking bitcoin_hashes v0.7.1
[INFO] [stderr]     Checking codec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Network`, `Scheme`
[INFO] [stdout]  --> src/main.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use codec::{Address, Network, Scheme};
[INFO] [stdout]   |                      ^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut addr = Address::decode(legacy_addr).unwrap();
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Network`, `Scheme`
[INFO] [stdout]  --> src/main.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use codec::{Address, Network, Scheme};
[INFO] [stdout]   |                      ^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut addr = Address::decode(legacy_addr).unwrap();
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.98s
[INFO] running `Command { std: "docker" "inspect" "9cfbcbb0330c124b75299b0cbecfcc275286915dff4ca8f5e2d040d7c41762b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cfbcbb0330c124b75299b0cbecfcc275286915dff4ca8f5e2d040d7c41762b2", kill_on_drop: false }`
[INFO] [stdout] 9cfbcbb0330c124b75299b0cbecfcc275286915dff4ca8f5e2d040d7c41762b2