[INFO] cloning repository https://github.com/KittyX29/lexer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KittyX29/lexer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKittyX29%2Flexer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKittyX29%2Flexer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62378a85d766b60a04e2f61d023b588e0ef4464a
[INFO] testing KittyX29/lexer against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKittyX29%2Flexer" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KittyX29/lexer on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KittyX29/lexer
[INFO] finished tweaking git repo https://github.com/KittyX29/lexer
[INFO] tweaked toml for git repo https://github.com/KittyX29/lexer written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/KittyX29/lexer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 025a7d7c227e176c9d6a0c247a3e061db45c1f55686f94bdeb70c593ec881f2d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "025a7d7c227e176c9d6a0c247a3e061db45c1f55686f94bdeb70c593ec881f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "025a7d7c227e176c9d6a0c247a3e061db45c1f55686f94bdeb70c593ec881f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "025a7d7c227e176c9d6a0c247a3e061db45c1f55686f94bdeb70c593ec881f2d", kill_on_drop: false }`
[INFO] [stdout] 025a7d7c227e176c9d6a0c247a3e061db45c1f55686f94bdeb70c593ec881f2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9d59c9bdaae6409aeb2d718e15a4e66a4ee8961d74b1a60b96d122aca1d48b2e
[INFO] running `Command { std: "docker" "start" "-a" "9d59c9bdaae6409aeb2d718e15a4e66a4ee8961d74b1a60b96d122aca1d48b2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling beef v0.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling io v0.0.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling fs v0.0.5
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]    Compiling logos v0.12.0
[INFO] [stderr]    Compiling lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.91s
[INFO] running `Command { std: "docker" "inspect" "9d59c9bdaae6409aeb2d718e15a4e66a4ee8961d74b1a60b96d122aca1d48b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d59c9bdaae6409aeb2d718e15a4e66a4ee8961d74b1a60b96d122aca1d48b2e", kill_on_drop: false }`
[INFO] [stdout] 9d59c9bdaae6409aeb2d718e15a4e66a4ee8961d74b1a60b96d122aca1d48b2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 43593916846c4227b813089eb8ff19fd8c4ac34b4209b35a65555cb1adbed71b
[INFO] running `Command { std: "docker" "start" "-a" "43593916846c4227b813089eb8ff19fd8c4ac34b4209b35a65555cb1adbed71b", kill_on_drop: false }`
[INFO] [stderr]    Compiling lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "43593916846c4227b813089eb8ff19fd8c4ac34b4209b35a65555cb1adbed71b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43593916846c4227b813089eb8ff19fd8c4ac34b4209b35a65555cb1adbed71b", kill_on_drop: false }`
[INFO] [stdout] 43593916846c4227b813089eb8ff19fd8c4ac34b4209b35a65555cb1adbed71b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9d4ddc720399dee746cdc824807adc32ea56b6d0c125dae8f339c1d7d2bd2e42
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9d4ddc720399dee746cdc824807adc32ea56b6d0c125dae8f339c1d7d2bd2e42", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lang-988891e9ee1a8def)
[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" "9d4ddc720399dee746cdc824807adc32ea56b6d0c125dae8f339c1d7d2bd2e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d4ddc720399dee746cdc824807adc32ea56b6d0c125dae8f339c1d7d2bd2e42", kill_on_drop: false }`
[INFO] [stdout] 9d4ddc720399dee746cdc824807adc32ea56b6d0c125dae8f339c1d7d2bd2e42