[INFO] fetching crate hashcash 0.1.1...
[INFO] testing hashcash-0.1.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate hashcash 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate hashcash 0.1.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hashcash 0.1.1
[INFO] finished tweaking crates.io crate hashcash 0.1.1
[INFO] tweaked toml for crates.io crate hashcash 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e033ef8bc8bdc51c502184bc856cef800848f1c641d9b95278b4c2a29b30a878
[INFO] running `Command { std: "docker" "start" "-a" "e033ef8bc8bdc51c502184bc856cef800848f1c641d9b95278b4c2a29b30a878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e033ef8bc8bdc51c502184bc856cef800848f1c641d9b95278b4c2a29b30a878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e033ef8bc8bdc51c502184bc856cef800848f1c641d9b95278b4c2a29b30a878", kill_on_drop: false }`
[INFO] [stdout] e033ef8bc8bdc51c502184bc856cef800848f1c641d9b95278b4c2a29b30a878
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9283f5e1382e7fb5bf30146c898be71a6252603bad6a391ad765053f5f9ae8d0
[INFO] running `Command { std: "docker" "start" "-a" "9283f5e1382e7fb5bf30146c898be71a6252603bad6a391ad765053f5f9ae8d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling hashcash v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.73s
[INFO] running `Command { std: "docker" "inspect" "9283f5e1382e7fb5bf30146c898be71a6252603bad6a391ad765053f5f9ae8d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9283f5e1382e7fb5bf30146c898be71a6252603bad6a391ad765053f5f9ae8d0", kill_on_drop: false }`
[INFO] [stdout] 9283f5e1382e7fb5bf30146c898be71a6252603bad6a391ad765053f5f9ae8d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c84d30d2b7a49e478388e398f90689066fae79a3371bd22c58eaef05e528b76
[INFO] running `Command { std: "docker" "start" "-a" "1c84d30d2b7a49e478388e398f90689066fae79a3371bd22c58eaef05e528b76", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashcash v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "1c84d30d2b7a49e478388e398f90689066fae79a3371bd22c58eaef05e528b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c84d30d2b7a49e478388e398f90689066fae79a3371bd22c58eaef05e528b76", kill_on_drop: false }`
[INFO] [stdout] 1c84d30d2b7a49e478388e398f90689066fae79a3371bd22c58eaef05e528b76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 170f8455956f466f1376c89a4620eef8c5df28e9f34e19044f04e11dfb2186b2
[INFO] running `Command { std: "docker" "start" "-a" "170f8455956f466f1376c89a4620eef8c5df28e9f34e19044f04e11dfb2186b2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hashcash-0f464e4b66a222ac)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_mints_a_new_valid_stamp ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hc-2e30641e5798ce92)
[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] [stderr]    Doc-tests hashcash
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Token::from_str (line 55) ... ok
[INFO] [stdout] test src/lib.rs - Token::check (line 175) ... ok
[INFO] [stdout] test src/lib.rs - Token::new (line 128) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "170f8455956f466f1376c89a4620eef8c5df28e9f34e19044f04e11dfb2186b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "170f8455956f466f1376c89a4620eef8c5df28e9f34e19044f04e11dfb2186b2", kill_on_drop: false }`
[INFO] [stdout] 170f8455956f466f1376c89a4620eef8c5df28e9f34e19044f04e11dfb2186b2