[INFO] fetching crate thereandbackagain 0.1.1...
[INFO] testing thereandbackagain-0.1.1 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate thereandbackagain 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate thereandbackagain 0.1.1
[INFO] finished tweaking crates.io crate thereandbackagain 0.1.1
[INFO] tweaked toml for crates.io crate thereandbackagain 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate thereandbackagain 0.1.1 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate thereandbackagain 0.1.1 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0915513fc3e6bcb38dee2c5e4d8514bfda08a8fae95729b699f1825bb1a63048
[INFO] running `Command { std: "docker" "start" "-a" "0915513fc3e6bcb38dee2c5e4d8514bfda08a8fae95729b699f1825bb1a63048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0915513fc3e6bcb38dee2c5e4d8514bfda08a8fae95729b699f1825bb1a63048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0915513fc3e6bcb38dee2c5e4d8514bfda08a8fae95729b699f1825bb1a63048", kill_on_drop: false }`
[INFO] [stdout] 0915513fc3e6bcb38dee2c5e4d8514bfda08a8fae95729b699f1825bb1a63048
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d38e11b998d370f2a018cddf87c8a0a07abe9ec08edbdd1d1672b915852453c
[INFO] running `Command { std: "docker" "start" "-a" "7d38e11b998d370f2a018cddf87c8a0a07abe9ec08edbdd1d1672b915852453c", kill_on_drop: false }`
[INFO] [stderr]    Compiling thereandbackagain v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "7d38e11b998d370f2a018cddf87c8a0a07abe9ec08edbdd1d1672b915852453c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d38e11b998d370f2a018cddf87c8a0a07abe9ec08edbdd1d1672b915852453c", kill_on_drop: false }`
[INFO] [stdout] 7d38e11b998d370f2a018cddf87c8a0a07abe9ec08edbdd1d1672b915852453c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6004109d88af866c9d3e2ac0bb8e2b8e2d3fbdf7237c6e413111eb597914475
[INFO] running `Command { std: "docker" "start" "-a" "c6004109d88af866c9d3e2ac0bb8e2b8e2d3fbdf7237c6e413111eb597914475", kill_on_drop: false }`
[INFO] [stderr]    Compiling thereandbackagain v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "c6004109d88af866c9d3e2ac0bb8e2b8e2d3fbdf7237c6e413111eb597914475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6004109d88af866c9d3e2ac0bb8e2b8e2d3fbdf7237c6e413111eb597914475", kill_on_drop: false }`
[INFO] [stdout] c6004109d88af866c9d3e2ac0bb8e2b8e2d3fbdf7237c6e413111eb597914475
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a20efe4c0171654a2207f43c224fb86990e75811f8823832d4ea1d845b65f7e4
[INFO] running `Command { std: "docker" "start" "-a" "a20efe4c0171654a2207f43c224fb86990e75811f8823832d4ea1d845b65f7e4", 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/thereandbackagain-33691edc821c0b54)
[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" "a20efe4c0171654a2207f43c224fb86990e75811f8823832d4ea1d845b65f7e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a20efe4c0171654a2207f43c224fb86990e75811f8823832d4ea1d845b65f7e4", kill_on_drop: false }`
[INFO] [stdout] a20efe4c0171654a2207f43c224fb86990e75811f8823832d4ea1d845b65f7e4