[INFO] cloning repository https://github.com/alesanfra/lychrel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alesanfra/lychrel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falesanfra%2Flychrel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falesanfra%2Flychrel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de093ebdfb5d015247d3b11919987e643417225d
[INFO] checking alesanfra/lychrel against master#4c60a0ea5b2385d7400df9db1ad04e96f2a4c154 for 92191_revert
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falesanfra%2Flychrel" "/workspace/builds/worker-39/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-39/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alesanfra/lychrel on toolchain 4c60a0ea5b2385d7400df9db1ad04e96f2a4c154
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-39/source/.cargo/config
[INFO] started tweaking git repo https://github.com/alesanfra/lychrel
[INFO] finished tweaking git repo https://github.com/alesanfra/lychrel
[INFO] tweaked toml for git repo https://github.com/alesanfra/lychrel written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate git repo https://github.com/alesanfra/lychrel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "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 indoc v1.0.4
[INFO] [stderr]   Downloaded pyo3-build-config v0.16.4
[INFO] [stderr]   Downloaded pyo3-ffi v0.16.4
[INFO] [stderr]   Downloaded pyo3-macros v0.16.4
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.16.4
[INFO] [stderr]   Downloaded pyo3 v0.16.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b497289b692a958380629ae8f30a6ed566038cc7fd227af9f169d809a03e233d
[INFO] running `Command { std: "docker" "start" "-a" "b497289b692a958380629ae8f30a6ed566038cc7fd227af9f169d809a03e233d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b497289b692a958380629ae8f30a6ed566038cc7fd227af9f169d809a03e233d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b497289b692a958380629ae8f30a6ed566038cc7fd227af9f169d809a03e233d", kill_on_drop: false }`
[INFO] [stdout] b497289b692a958380629ae8f30a6ed566038cc7fd227af9f169d809a03e233d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12d0221744747d51b0f8ecd7f6781a3722cd9b9339fc2a817f0da6572d227960
[INFO] running `Command { std: "docker" "start" "-a" "12d0221744747d51b0f8ecd7f6781a3722cd9b9339fc2a817f0da6572d227960", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling target-lexicon v0.12.3
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling unindent v0.1.8
[INFO] [stderr]    Compiling indoc v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling pyo3-build-config v0.16.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]    Compiling pyo3-ffi v0.16.4
[INFO] [stderr]    Compiling pyo3 v0.16.4
[INFO] [stderr]    Compiling pyo3-macros-backend v0.16.4
[INFO] [stderr]    Compiling pyo3-macros v0.16.4
[INFO] [stderr]     Checking lychrel v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.33s
[INFO] running `Command { std: "docker" "inspect" "12d0221744747d51b0f8ecd7f6781a3722cd9b9339fc2a817f0da6572d227960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12d0221744747d51b0f8ecd7f6781a3722cd9b9339fc2a817f0da6572d227960", kill_on_drop: false }`
[INFO] [stdout] 12d0221744747d51b0f8ecd7f6781a3722cd9b9339fc2a817f0da6572d227960