[INFO] cloning repository https://github.com/lukakralik/wicker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukakralik/wicker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukakralik%2Fwicker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukakralik%2Fwicker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6bf358d20ceeebfdf006c0a64ec8b5900c4b419
[INFO] checking lukakralik/wicker against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukakralik%2Fwicker" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lukakralik/wicker
[INFO] finished tweaking git repo https://github.com/lukakralik/wicker
[INFO] tweaked toml for git repo https://github.com/lukakralik/wicker written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lukakralik/wicker 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/lukakralik/wicker 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]     Blocking waiting for file lock on package cache
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49293dee844282813dc072a6e162e060da8879b578173e947f628c0dcef716d9
[INFO] running `Command { std: "docker" "start" "-a" "49293dee844282813dc072a6e162e060da8879b578173e947f628c0dcef716d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49293dee844282813dc072a6e162e060da8879b578173e947f628c0dcef716d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49293dee844282813dc072a6e162e060da8879b578173e947f628c0dcef716d9", kill_on_drop: false }`
[INFO] [stdout] 49293dee844282813dc072a6e162e060da8879b578173e947f628c0dcef716d9
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed8285f462fd64903ca5f033b233c381d05b165e37468fe64d91427ae2073066
[INFO] running `Command { std: "docker" "start" "-a" "ed8285f462fd64903ca5f033b233c381d05b165e37468fe64d91427ae2073066", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking predicates v2.1.1
[INFO] [stderr]     Checking assert_cmd v2.0.4
[INFO] [stderr]     Checking wicker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `total_lines` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let mut total_lines = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_total_lines` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `total_words` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let mut total_words = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_total_words` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `total_bytes` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |     let mut total_bytes = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_total_bytes` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `total_chars` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let mut total_chars = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_total_chars` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `total_lines` is never read
[INFO] [stdout]    --> src/lib.rs:142:21
[INFO] [stdout]     |
[INFO] [stdout] 142 |                     total_lines += info.num_lines;
[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 `total_words` is never read
[INFO] [stdout]    --> src/lib.rs:143:21
[INFO] [stdout]     |
[INFO] [stdout] 143 |                     total_words += info.num_words;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `total_bytes` is never read
[INFO] [stdout]    --> src/lib.rs:144:21
[INFO] [stdout]     |
[INFO] [stdout] 144 |                     total_bytes += info.num_bytes;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `total_chars` is never read
[INFO] [stdout]    --> src/lib.rs:145:21
[INFO] [stdout]     |
[INFO] [stdout] 145 |                     total_chars += info.num_chars;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `total_lines` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let mut total_lines = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_total_lines` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `total_words` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let mut total_words = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_total_words` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `total_bytes` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |     let mut total_bytes = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_total_bytes` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `total_chars` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let mut total_chars = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_total_chars` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `total_lines` is never read
[INFO] [stdout]    --> src/lib.rs:142:21
[INFO] [stdout]     |
[INFO] [stdout] 142 |                     total_lines += info.num_lines;
[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 `total_words` is never read
[INFO] [stdout]    --> src/lib.rs:143:21
[INFO] [stdout]     |
[INFO] [stdout] 143 |                     total_words += info.num_words;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `total_bytes` is never read
[INFO] [stdout]    --> src/lib.rs:144:21
[INFO] [stdout]     |
[INFO] [stdout] 144 |                     total_bytes += info.num_bytes;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `total_chars` is never read
[INFO] [stdout]    --> src/lib.rs:145:21
[INFO] [stdout]     |
[INFO] [stdout] 145 |                     total_chars += info.num_chars;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.30s
[INFO] running `Command { std: "docker" "inspect" "ed8285f462fd64903ca5f033b233c381d05b165e37468fe64d91427ae2073066", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed8285f462fd64903ca5f033b233c381d05b165e37468fe64d91427ae2073066", kill_on_drop: false }`
[INFO] [stdout] ed8285f462fd64903ca5f033b233c381d05b165e37468fe64d91427ae2073066
