[INFO] cloning repository https://github.com/jackhamilton/ast-mechj
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jackhamilton/ast-mechj" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackhamilton%2Fast-mechj", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackhamilton%2Fast-mechj'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8df8cbc2e796d455d5d3f039b579d79c191353f
[INFO] testing jackhamilton/ast-mechj against try#8da20828b6ea601dfd8e2448cb50ace88876bd78 for pr-150933
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackhamilton%2Fast-mechj" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jackhamilton/ast-mechj
[INFO] finished tweaking git repo https://github.com/jackhamilton/ast-mechj
[INFO] tweaked toml for git repo https://github.com/jackhamilton/ast-mechj written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jackhamilton/ast-mechj on toolchain 8da20828b6ea601dfd8e2448cb50ace88876bd78
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jackhamilton/ast-mechj 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" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing jackhamilton/ast-mechj against try#8da20828b6ea601dfd8e2448cb50ace88876bd78 for pr-150933
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackhamilton%2Fast-mechj" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jackhamilton/ast-mechj
[INFO] finished tweaking git repo https://github.com/jackhamilton/ast-mechj
[INFO] tweaked toml for git repo https://github.com/jackhamilton/ast-mechj written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jackhamilton/ast-mechj on toolchain 8da20828b6ea601dfd8e2448cb50ace88876bd78
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jackhamilton/ast-mechj 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" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml_parser v1.0.3
[INFO] [stderr]   Downloaded toml_datetime v0.7.2
[INFO] [stderr]   Downloaded serde_spanned v1.0.2
[INFO] [stderr]   Downloaded freezable-macros v0.3.0
[INFO] [stderr]   Downloaded toml_writer v1.0.3
[INFO] [stderr]   Downloaded serde_core v1.0.226
[INFO] [stderr]   Downloaded windows-link v0.2.0
[INFO] [stderr]   Downloaded freezable-trait v0.4.0
[INFO] [stderr]   Downloaded freezable-macros v0.2.1
[INFO] [stderr]   Downloaded serde v1.0.226
[INFO] [stderr]   Downloaded toml v0.9.7
[INFO] [stderr]   Downloaded serde_derive v1.0.226
[INFO] [stderr]   Downloaded libc v0.2.176
[INFO] [stderr]   Downloaded windows-sys v0.61.1
[INFO] [stderr]   Downloaded freezable-trait v0.2.2
[INFO] [stderr]   Downloaded cli-builder-macros v0.1.0
[INFO] [stderr]   Downloaded toml-configurator v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2eb62a5c9dabc02d11bd33b8b3ee81c7f5e7e0756e7e430a6ed0fee5d57832d
[INFO] running `Command { std: "docker" "start" "-a" "a2eb62a5c9dabc02d11bd33b8b3ee81c7f5e7e0756e7e430a6ed0fee5d57832d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2eb62a5c9dabc02d11bd33b8b3ee81c7f5e7e0756e7e430a6ed0fee5d57832d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2eb62a5c9dabc02d11bd33b8b3ee81c7f5e7e0756e7e430a6ed0fee5d57832d", kill_on_drop: false }`
[INFO] [stdout] a2eb62a5c9dabc02d11bd33b8b3ee81c7f5e7e0756e7e430a6ed0fee5d57832d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5795d137d65fdc397bf7160f20de198f36c741f42844fe74f9a9b18353cbeb84
[INFO] running `Command { std: "docker" "start" "-a" "5795d137d65fdc397bf7160f20de198f36c741f42844fe74f9a9b18353cbeb84", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.226
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling serde v1.0.226
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling serde_derive v1.0.226
[INFO] [stderr]    Compiling freezable-macros v0.2.1
[INFO] [stderr]    Compiling toml_writer v1.0.3
[INFO] [stderr]    Compiling freezable-macros v0.3.0
[INFO] [stderr]    Compiling cli-builder-macros v0.1.0
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling shellexpand v3.1.1
[INFO] [stderr]    Compiling toml_parser v1.0.3
[INFO] [stderr]    Compiling toml_datetime v0.7.2
[INFO] [stderr]    Compiling serde_spanned v1.0.2
[INFO] [stderr]    Compiling toml v0.9.7
[INFO] [stderr]    Compiling freezable-trait v0.2.2
[INFO] [stderr]    Compiling freezable-trait v0.4.0
[INFO] [stderr]    Compiling toml-configurator v0.2.1
[INFO] [stderr]    Compiling project_name v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `get_config` is never used
[INFO] [stdout]   --> src/main.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn get_config() -> Config {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `Command { std: "docker" "inspect" "5795d137d65fdc397bf7160f20de198f36c741f42844fe74f9a9b18353cbeb84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5795d137d65fdc397bf7160f20de198f36c741f42844fe74f9a9b18353cbeb84", kill_on_drop: false }`
[INFO] [stdout] 5795d137d65fdc397bf7160f20de198f36c741f42844fe74f9a9b18353cbeb84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf27584ceb706c81ddb271d4da715711bbb0a1658c92a17635c2b18b2205f708
[INFO] running `Command { std: "docker" "start" "-a" "bf27584ceb706c81ddb271d4da715711bbb0a1658c92a17635c2b18b2205f708", kill_on_drop: false }`
[INFO] [stderr]    Compiling project_name v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `get_config` is never used
[INFO] [stdout]   --> src/main.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn get_config() -> Config {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "bf27584ceb706c81ddb271d4da715711bbb0a1658c92a17635c2b18b2205f708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf27584ceb706c81ddb271d4da715711bbb0a1658c92a17635c2b18b2205f708", kill_on_drop: false }`
[INFO] [stdout] bf27584ceb706c81ddb271d4da715711bbb0a1658c92a17635c2b18b2205f708
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a8a3612db3c5bda99bba184ba62297d46b577f29ee9e4ea8b4b7c81259fa31d4
[INFO] running `Command { std: "docker" "start" "-a" "a8a3612db3c5bda99bba184ba62297d46b577f29ee9e4ea8b4b7c81259fa31d4", kill_on_drop: false }`
[INFO] [stderr] warning: function `get_config` is never used
[INFO] [stderr]   --> src/main.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn get_config() -> Config {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `project_name` (bin "project_name" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/project_name-99fa4272ecccf7f5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a8a3612db3c5bda99bba184ba62297d46b577f29ee9e4ea8b4b7c81259fa31d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8a3612db3c5bda99bba184ba62297d46b577f29ee9e4ea8b4b7c81259fa31d4", kill_on_drop: false }`
[INFO] [stdout] a8a3612db3c5bda99bba184ba62297d46b577f29ee9e4ea8b4b7c81259fa31d4