[INFO] fetching crate survey 0.0.0...
[INFO] testing survey-0.0.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate survey 0.0.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate survey 0.0.0
[INFO] finished tweaking crates.io crate survey 0.0.0
[INFO] tweaked toml for crates.io crate survey 0.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate survey 0.0.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate survey 0.0.0 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93f43ba1fcef867198d49fe718e2e1eae7e492d27ff4e05db467b8fd66e714db
[INFO] running `Command { std: "docker" "start" "-a" "93f43ba1fcef867198d49fe718e2e1eae7e492d27ff4e05db467b8fd66e714db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93f43ba1fcef867198d49fe718e2e1eae7e492d27ff4e05db467b8fd66e714db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93f43ba1fcef867198d49fe718e2e1eae7e492d27ff4e05db467b8fd66e714db", kill_on_drop: false }`
[INFO] [stdout] 93f43ba1fcef867198d49fe718e2e1eae7e492d27ff4e05db467b8fd66e714db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6b046250492592c934f3e673ec57a179e4be5452beeb3328d806bc033966493
[INFO] running `Command { std: "docker" "start" "-a" "b6b046250492592c934f3e673ec57a179e4be5452beeb3328d806bc033966493", kill_on_drop: false }`
[INFO] [stderr]    Compiling survey v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "b6b046250492592c934f3e673ec57a179e4be5452beeb3328d806bc033966493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6b046250492592c934f3e673ec57a179e4be5452beeb3328d806bc033966493", kill_on_drop: false }`
[INFO] [stdout] b6b046250492592c934f3e673ec57a179e4be5452beeb3328d806bc033966493
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18d3b8662ecbfe6b245c8aae565a88fd1a2bc950e207f2d598a48e75ccf7ae7f
[INFO] running `Command { std: "docker" "start" "-a" "18d3b8662ecbfe6b245c8aae565a88fd1a2bc950e207f2d598a48e75ccf7ae7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling survey v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "18d3b8662ecbfe6b245c8aae565a88fd1a2bc950e207f2d598a48e75ccf7ae7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18d3b8662ecbfe6b245c8aae565a88fd1a2bc950e207f2d598a48e75ccf7ae7f", kill_on_drop: false }`
[INFO] [stdout] 18d3b8662ecbfe6b245c8aae565a88fd1a2bc950e207f2d598a48e75ccf7ae7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3703cfd63eb7a8aa73d5fc4df2c861e802ffafbb5e6252213238940fbd243c9d
[INFO] running `Command { std: "docker" "start" "-a" "3703cfd63eb7a8aa73d5fc4df2c861e802ffafbb5e6252213238940fbd243c9d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/survey-f681cfc6a08c0f4b)
[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" "3703cfd63eb7a8aa73d5fc4df2c861e802ffafbb5e6252213238940fbd243c9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3703cfd63eb7a8aa73d5fc4df2c861e802ffafbb5e6252213238940fbd243c9d", kill_on_drop: false }`
[INFO] [stdout] 3703cfd63eb7a8aa73d5fc4df2c861e802ffafbb5e6252213238940fbd243c9d
