[INFO] cloning repository https://github.com/xavierhamel/rack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xavierhamel/rack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxavierhamel%2Frack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxavierhamel%2Frack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e6fe389786b8b3588c93075285ebb69b1e88eb4
[INFO] testing xavierhamel/rack against try#b8e88e5ddf5521a9f43ee3f62a702388c713e4bb for pr-155114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxavierhamel%2Frack" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xavierhamel/rack
[INFO] finished tweaking git repo https://github.com/xavierhamel/rack
[INFO] tweaked toml for git repo https://github.com/xavierhamel/rack written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xavierhamel/rack on toolchain b8e88e5ddf5521a9f43ee3f62a702388c713e4bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/xavierhamel/rack 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" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing xavierhamel/rack against try#b8e88e5ddf5521a9f43ee3f62a702388c713e4bb for pr-155114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxavierhamel%2Frack" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xavierhamel/rack
[INFO] finished tweaking git repo https://github.com/xavierhamel/rack
[INFO] tweaked toml for git repo https://github.com/xavierhamel/rack written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xavierhamel/rack on toolchain b8e88e5ddf5521a9f43ee3f62a702388c713e4bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/xavierhamel/rack 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" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "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 libc v0.2.104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47fa1df7cb875e20b6cd458ba0af56f1431efd54c886d1546889fc4de1a5fda2
[INFO] running `Command { std: "docker" "start" "-a" "47fa1df7cb875e20b6cd458ba0af56f1431efd54c886d1546889fc4de1a5fda2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47fa1df7cb875e20b6cd458ba0af56f1431efd54c886d1546889fc4de1a5fda2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47fa1df7cb875e20b6cd458ba0af56f1431efd54c886d1546889fc4de1a5fda2", kill_on_drop: false }`
[INFO] [stdout] 47fa1df7cb875e20b6cd458ba0af56f1431efd54c886d1546889fc4de1a5fda2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a4a7d337f27453b5249cbc6df542c363332af5cc02f97da1c34469543a589d2
[INFO] running `Command { std: "docker" "start" "-a" "3a4a7d337f27453b5249cbc6df542c363332af5cc02f97da1c34469543a589d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling rack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser/token.rs:148:23
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub fn tokenize(input:&str) -> Result<Vec<Token>, Vec<err::Err>> {
[INFO] [stdout]     |                       ^^^^                ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub fn tokenize(input:&str) -> Result<Vec<Token<'_>>, Vec<err::Err>> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "3a4a7d337f27453b5249cbc6df542c363332af5cc02f97da1c34469543a589d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a4a7d337f27453b5249cbc6df542c363332af5cc02f97da1c34469543a589d2", kill_on_drop: false }`
[INFO] [stdout] 3a4a7d337f27453b5249cbc6df542c363332af5cc02f97da1c34469543a589d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 169b1986f92cab71075c89f9ac48159d54b622f97e4b17451c340589aef582f7
[INFO] running `Command { std: "docker" "start" "-a" "169b1986f92cab71075c89f9ac48159d54b622f97e4b17451c340589aef582f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser/token.rs:148:23
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub fn tokenize(input:&str) -> Result<Vec<Token>, Vec<err::Err>> {
[INFO] [stdout]     |                       ^^^^                ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub fn tokenize(input:&str) -> Result<Vec<Token<'_>>, Vec<err::Err>> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "169b1986f92cab71075c89f9ac48159d54b622f97e4b17451c340589aef582f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "169b1986f92cab71075c89f9ac48159d54b622f97e4b17451c340589aef582f7", kill_on_drop: false }`
[INFO] [stdout] 169b1986f92cab71075c89f9ac48159d54b622f97e4b17451c340589aef582f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5c545c137bce2a3936e7e434b76c11fd17cb082c67ce703ca4a52a0d623acb69
[INFO] running `Command { std: "docker" "start" "-a" "5c545c137bce2a3936e7e434b76c11fd17cb082c67ce703ca4a52a0d623acb69", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/parser/token.rs:148:23
[INFO] [stderr]     |
[INFO] [stderr] 148 | pub fn tokenize(input:&str) -> Result<Vec<Token>, Vec<err::Err>> {
[INFO] [stderr]     |                       ^^^^                ^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 148 | pub fn tokenize(input:&str) -> Result<Vec<Token<'_>>, Vec<err::Err>> {
[INFO] [stderr]     |                                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rack` (bin "rack" test) generated 1 warning (run `cargo fix --bin "rack" -p rack --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rack-0f5ef3b77ff9dd23)
[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" "5c545c137bce2a3936e7e434b76c11fd17cb082c67ce703ca4a52a0d623acb69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c545c137bce2a3936e7e434b76c11fd17cb082c67ce703ca4a52a0d623acb69", kill_on_drop: false }`
[INFO] [stdout] 5c545c137bce2a3936e7e434b76c11fd17cb082c67ce703ca4a52a0d623acb69
