[INFO] cloning repository https://github.com/cfallin/isle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cfallin/isle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfallin%2Fisle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfallin%2Fisle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8bee5665048c1f733bb87b3219e86b46f6c6e908
[INFO] checking cfallin/isle against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcfallin%2Fisle" "/workspace/builds/worker-59/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-59/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cfallin/isle on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cfallin/isle
[INFO] finished tweaking git repo https://github.com/cfallin/isle
[INFO] tweaked toml for git repo https://github.com/cfallin/isle written to /workspace/builds/worker-59/source/Cargo.toml
[INFO] crate git repo https://github.com/cfallin/isle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2ee5f11e184981146f733d49378766f8d6d4dba8cb90bff45c48376c5e32e44
[INFO] running `Command { std: "docker" "start" "-a" "d2ee5f11e184981146f733d49378766f8d6d4dba8cb90bff45c48376c5e32e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2ee5f11e184981146f733d49378766f8d6d4dba8cb90bff45c48376c5e32e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2ee5f11e184981146f733d49378766f8d6d4dba8cb90bff45c48376c5e32e44", kill_on_drop: false }`
[INFO] [stdout] d2ee5f11e184981146f733d49378766f8d6d4dba8cb90bff45c48376c5e32e44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bb6a020aee0d1dc28795fb0ef520ef706f3ab42fe6b0ebc733c59f966865fcb
[INFO] running `Command { std: "docker" "start" "-a" "6bb6a020aee0d1dc28795fb0ef520ef706f3ab42fe6b0ebc733c59f966865fcb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking isle v0.1.0 (/opt/rustwide/workdir/isle)
[INFO] [stdout] warning: field is never read: `root_term`
[INFO] [stdout]    --> isle/src/codegen.rs:429:5
[INFO] [stdout]     |
[INFO] [stdout] 429 |     root_term: TermId,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root_term`
[INFO] [stdout]    --> isle/src/codegen.rs:429:5
[INFO] [stdout]     |
[INFO] [stdout] 429 |     root_term: TermId,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking islec v0.1.0 (/opt/rustwide/workdir/islec)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.89s
[INFO] running `Command { std: "docker" "inspect" "6bb6a020aee0d1dc28795fb0ef520ef706f3ab42fe6b0ebc733c59f966865fcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bb6a020aee0d1dc28795fb0ef520ef706f3ab42fe6b0ebc733c59f966865fcb", kill_on_drop: false }`
[INFO] [stdout] 6bb6a020aee0d1dc28795fb0ef520ef706f3ab42fe6b0ebc733c59f966865fcb