[INFO] cloning repository https://github.com/creativcoder/rocco
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/creativcoder/rocco" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcreativcoder%2Frocco", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcreativcoder%2Frocco'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84137aac87d9c10f8736cf01e952b4f13770eff0
[INFO] checking creativcoder/rocco against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcreativcoder%2Frocco" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/creativcoder/rocco
[INFO] finished tweaking git repo https://github.com/creativcoder/rocco
[INFO] tweaked toml for git repo https://github.com/creativcoder/rocco written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/creativcoder/rocco on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/creativcoder/rocco 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.117
[INFO] [stderr]   Downloaded utf8-ranges v1.0.4
[INFO] [stderr]   Downloaded ramhorns-derive v0.10.2
[INFO] [stderr]   Downloaded const-random v0.1.11
[INFO] [stderr]   Downloaded logos-derive v0.11.5
[INFO] [stderr]   Downloaded const-random-macro v0.1.11
[INFO] [stderr]   Downloaded logos v0.11.4
[INFO] [stderr]   Downloaded ramhorns v0.10.2
[INFO] [stderr]   Downloaded beef v0.4.4
[INFO] [stderr]   Downloaded once_cell v1.4.1
[INFO] [stderr]   Downloaded pulldown-cmark v0.7.2
[INFO] [stderr]   Downloaded serde_json v1.0.59
[INFO] [stderr]   Downloaded comrak v0.8.2
[INFO] [stderr]   Downloaded syn v1.0.48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3e5a3da504c6d5db855aecb612f52a001374dac30addffc0476754289c43ce4
[INFO] running `Command { std: "docker" "start" "-a" "f3e5a3da504c6d5db855aecb612f52a001374dac30addffc0476754289c43ce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3e5a3da504c6d5db855aecb612f52a001374dac30addffc0476754289c43ce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e5a3da504c6d5db855aecb612f52a001374dac30addffc0476754289c43ce4", kill_on_drop: false }`
[INFO] [stdout] f3e5a3da504c6d5db855aecb612f52a001374dac30addffc0476754289c43ce4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f93aeffc59d12c681568e39b7874706a5c29d09dfa43cdea91d95bb21b9f06af
[INFO] running `Command { std: "docker" "start" "-a" "f93aeffc59d12c681568e39b7874706a5c29d09dfa43cdea91d95bb21b9f06af", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking twoway v0.2.1
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking shell-words v1.0.0
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling const-random-macro v0.1.11
[INFO] [stderr]     Checking const-random v0.1.11
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling ramhorns-derive v0.10.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking comrak v0.8.2
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking logos v0.11.4
[INFO] [stderr]     Checking ramhorns v0.10.2
[INFO] [stderr]     Checking rocco v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]  --> src/error.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         source: std::io::Error,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]  --> src/error.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         source: std::io::Error,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.41s
[INFO] running `Command { std: "docker" "inspect" "f93aeffc59d12c681568e39b7874706a5c29d09dfa43cdea91d95bb21b9f06af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f93aeffc59d12c681568e39b7874706a5c29d09dfa43cdea91d95bb21b9f06af", kill_on_drop: false }`
[INFO] [stdout] f93aeffc59d12c681568e39b7874706a5c29d09dfa43cdea91d95bb21b9f06af