[INFO] fetching crate rust-tailcall 0.2.0...
[INFO] testing rust-tailcall-0.2.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate rust-tailcall 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rust-tailcall 0.2.0
[INFO] finished tweaking crates.io crate rust-tailcall 0.2.0
[INFO] tweaked toml for crates.io crate rust-tailcall 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-tailcall 0.2.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust-tailcall 0.2.0 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" "+1.95.0" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64db17960ea30c68d4340c2206583ab07ef8a56442048ec2346070d254149780
[INFO] running `Command { std: "docker" "start" "-a" "64db17960ea30c68d4340c2206583ab07ef8a56442048ec2346070d254149780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64db17960ea30c68d4340c2206583ab07ef8a56442048ec2346070d254149780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64db17960ea30c68d4340c2206583ab07ef8a56442048ec2346070d254149780", kill_on_drop: false }`
[INFO] [stdout] 64db17960ea30c68d4340c2206583ab07ef8a56442048ec2346070d254149780
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 213f1d9859a20c4e9f4ac86d5606060e1ef42611a3420db2b0a8867a551dc869
[INFO] running `Command { std: "docker" "start" "-a" "213f1d9859a20c4e9f4ac86d5606060e1ef42611a3420db2b0a8867a551dc869", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-tailcall v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "213f1d9859a20c4e9f4ac86d5606060e1ef42611a3420db2b0a8867a551dc869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "213f1d9859a20c4e9f4ac86d5606060e1ef42611a3420db2b0a8867a551dc869", kill_on_drop: false }`
[INFO] [stdout] 213f1d9859a20c4e9f4ac86d5606060e1ef42611a3420db2b0a8867a551dc869
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bc992e48ad16b84e6f71c30fed49bf717517b199438321b6846b6c45edef3c6
[INFO] running `Command { std: "docker" "start" "-a" "2bc992e48ad16b84e6f71c30fed49bf717517b199438321b6846b6c45edef3c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling rust-tailcall v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `Command { std: "docker" "inspect" "2bc992e48ad16b84e6f71c30fed49bf717517b199438321b6846b6c45edef3c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bc992e48ad16b84e6f71c30fed49bf717517b199438321b6846b6c45edef3c6", kill_on_drop: false }`
[INFO] [stdout] 2bc992e48ad16b84e6f71c30fed49bf717517b199438321b6846b6c45edef3c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 233147fba5140e982d98b2cf3c2e7b260124ebb8145e3de48351ddfb1d793aa3
[INFO] running `Command { std: "docker" "start" "-a" "233147fba5140e982d98b2cf3c2e7b260124ebb8145e3de48351ddfb1d793aa3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_tailcall-452fdc28b2706b77)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests rust_tailcall
[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] [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" "233147fba5140e982d98b2cf3c2e7b260124ebb8145e3de48351ddfb1d793aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "233147fba5140e982d98b2cf3c2e7b260124ebb8145e3de48351ddfb1d793aa3", kill_on_drop: false }`
[INFO] [stdout] 233147fba5140e982d98b2cf3c2e7b260124ebb8145e3de48351ddfb1d793aa3
