[INFO] fetching crate this-blockchain 0.1.0...
[INFO] testing this-blockchain-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate this-blockchain 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate this-blockchain 0.1.0
[INFO] finished tweaking crates.io crate this-blockchain 0.1.0
[INFO] tweaked toml for crates.io crate this-blockchain 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate this-blockchain 0.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate this-blockchain 0.1.0 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbff4a8e724e5f773a8c91a8a22bb951522913283d3ecae6cbc2bfa44910ecc3
[INFO] running `Command { std: "docker" "start" "-a" "dbff4a8e724e5f773a8c91a8a22bb951522913283d3ecae6cbc2bfa44910ecc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbff4a8e724e5f773a8c91a8a22bb951522913283d3ecae6cbc2bfa44910ecc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbff4a8e724e5f773a8c91a8a22bb951522913283d3ecae6cbc2bfa44910ecc3", kill_on_drop: false }`
[INFO] [stdout] dbff4a8e724e5f773a8c91a8a22bb951522913283d3ecae6cbc2bfa44910ecc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f6237ec78ea22194b3b7a14c1e0ad536169d9f01feee839f77c297d3e145a26
[INFO] running `Command { std: "docker" "start" "-a" "8f6237ec78ea22194b3b7a14c1e0ad536169d9f01feee839f77c297d3e145a26", kill_on_drop: false }`
[INFO] [stderr]    Compiling this-blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "8f6237ec78ea22194b3b7a14c1e0ad536169d9f01feee839f77c297d3e145a26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f6237ec78ea22194b3b7a14c1e0ad536169d9f01feee839f77c297d3e145a26", kill_on_drop: false }`
[INFO] [stdout] 8f6237ec78ea22194b3b7a14c1e0ad536169d9f01feee839f77c297d3e145a26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f12abfbed600164f45aa4b1dfda40dfc58a17ab4b273bc330cca39a38291f7ab
[INFO] running `Command { std: "docker" "start" "-a" "f12abfbed600164f45aa4b1dfda40dfc58a17ab4b273bc330cca39a38291f7ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling this-blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "f12abfbed600164f45aa4b1dfda40dfc58a17ab4b273bc330cca39a38291f7ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f12abfbed600164f45aa4b1dfda40dfc58a17ab4b273bc330cca39a38291f7ab", kill_on_drop: false }`
[INFO] [stdout] f12abfbed600164f45aa4b1dfda40dfc58a17ab4b273bc330cca39a38291f7ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5d56ad8ce0af891b616a25cc0534a686fc82055ae1112689dbf0a46481fd168f
[INFO] running `Command { std: "docker" "start" "-a" "5d56ad8ce0af891b616a25cc0534a686fc82055ae1112689dbf0a46481fd168f", 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/this_blockchain-e253693776a1dfbe)
[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" "5d56ad8ce0af891b616a25cc0534a686fc82055ae1112689dbf0a46481fd168f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d56ad8ce0af891b616a25cc0534a686fc82055ae1112689dbf0a46481fd168f", kill_on_drop: false }`
[INFO] [stdout] 5d56ad8ce0af891b616a25cc0534a686fc82055ae1112689dbf0a46481fd168f