[INFO] cloning repository https://github.com/natemara/schwift
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/natemara/schwift" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatemara%2Fschwift", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatemara%2Fschwift'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 662ed39f6e2e49d35a27a8d9317cfbbea5bb3b13
[INFO] checking natemara/schwift against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatemara%2Fschwift" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/natemara/schwift
[INFO] finished tweaking git repo https://github.com/natemara/schwift
[INFO] tweaked toml for git repo https://github.com/natemara/schwift written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/natemara/schwift 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/natemara/schwift 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 peg-runtime v0.7.0
[INFO] [stderr]   Downloaded environment v0.1.1
[INFO] [stderr]   Downloaded peg v0.7.0
[INFO] [stderr]   Downloaded assert_cli v0.6.3
[INFO] [stderr]   Downloaded serde v1.0.106
[INFO] [stderr]   Downloaded peg-macros v0.7.0
[INFO] [stderr]   Downloaded serde_json v1.0.52
[INFO] [stderr]   Downloaded backtrace v0.3.46
[INFO] [stderr]   Downloaded backtrace-sys v0.1.37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 133862bbe61ff4a8b594119bbe8c94fb46cbe5590a5687976c6ac2afa2bbe2a8
[INFO] running `Command { std: "docker" "start" "-a" "133862bbe61ff4a8b594119bbe8c94fb46cbe5590a5687976c6ac2afa2bbe2a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "133862bbe61ff4a8b594119bbe8c94fb46cbe5590a5687976c6ac2afa2bbe2a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "133862bbe61ff4a8b594119bbe8c94fb46cbe5590a5687976c6ac2afa2bbe2a8", kill_on_drop: false }`
[INFO] [stdout] 133862bbe61ff4a8b594119bbe8c94fb46cbe5590a5687976c6ac2afa2bbe2a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7ed22ec783d5f78c39d28c1b4f31590174ae4d74d9ff2d2b921cacf48059fbfb
[INFO] running `Command { std: "docker" "start" "-a" "7ed22ec783d5f78c39d28c1b4f31590174ae4d74d9ff2d2b921cacf48059fbfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling peg-runtime v0.7.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking environment v0.1.1
[INFO] [stderr]    Compiling peg-macros v0.7.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking peg v0.7.0
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking schwift v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking assert_cli v0.6.3
[INFO] [stdout] warning: value assigned to `place` is never read
[INFO] [stdout]   --> src/error.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     place: Statement,
[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 `kind` is never read
[INFO] [stdout]   --> src/error.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     kind: ErrorKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error` is never read
[INFO] [stdout]   --> src/error.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         error: libloading::Error,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `place` is never read
[INFO] [stdout]   --> src/error.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     place: Statement,
[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 `kind` is never read
[INFO] [stdout]   --> src/error.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     kind: ErrorKind,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error` is never read
[INFO] [stdout]   --> src/error.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |         error: libloading::Error,
[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 23.05s
[INFO] running `Command { std: "docker" "inspect" "7ed22ec783d5f78c39d28c1b4f31590174ae4d74d9ff2d2b921cacf48059fbfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ed22ec783d5f78c39d28c1b4f31590174ae4d74d9ff2d2b921cacf48059fbfb", kill_on_drop: false }`
[INFO] [stdout] 7ed22ec783d5f78c39d28c1b4f31590174ae4d74d9ff2d2b921cacf48059fbfb