[INFO] fetching crate do-notation 0.1.3...
[INFO] testing do-notation-0.1.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate do-notation 0.1.3 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate do-notation 0.1.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate do-notation 0.1.3
[INFO] finished tweaking crates.io crate do-notation 0.1.3
[INFO] tweaked toml for crates.io crate do-notation 0.1.3 written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1eb74f0ea023888e3680def6077c157c8c28bed4068cd152deb3d678c99d4130
[INFO] running `Command { std: "docker" "start" "-a" "1eb74f0ea023888e3680def6077c157c8c28bed4068cd152deb3d678c99d4130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1eb74f0ea023888e3680def6077c157c8c28bed4068cd152deb3d678c99d4130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eb74f0ea023888e3680def6077c157c8c28bed4068cd152deb3d678c99d4130", kill_on_drop: false }`
[INFO] [stdout] 1eb74f0ea023888e3680def6077c157c8c28bed4068cd152deb3d678c99d4130
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 136ff41f2c0b2a5a1d4045d1dc087de07e3047789d7064261a0cc4af4f67b3f6
[INFO] running `Command { std: "docker" "start" "-a" "136ff41f2c0b2a5a1d4045d1dc087de07e3047789d7064261a0cc4af4f67b3f6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling do-notation v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "136ff41f2c0b2a5a1d4045d1dc087de07e3047789d7064261a0cc4af4f67b3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "136ff41f2c0b2a5a1d4045d1dc087de07e3047789d7064261a0cc4af4f67b3f6", kill_on_drop: false }`
[INFO] [stdout] 136ff41f2c0b2a5a1d4045d1dc087de07e3047789d7064261a0cc4af4f67b3f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcdb291c33230db379818850684806b3ae812daa6f49ada11d96da82bbac0e4f
[INFO] running `Command { std: "docker" "start" "-a" "fcdb291c33230db379818850684806b3ae812daa6f49ada11d96da82bbac0e4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling do-notation v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "fcdb291c33230db379818850684806b3ae812daa6f49ada11d96da82bbac0e4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcdb291c33230db379818850684806b3ae812daa6f49ada11d96da82bbac0e4f", kill_on_drop: false }`
[INFO] [stdout] fcdb291c33230db379818850684806b3ae812daa6f49ada11d96da82bbac0e4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff5da5b8f524b9ae30a2791357ff4d3fa59b6ca3e922395f5dd69464cbe64543
[INFO] running `Command { std: "docker" "start" "-a" "ff5da5b8f524b9ae30a2791357ff4d3fa59b6ca3e922395f5dd69464cbe64543", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/do_notation-13cc60feff823f33)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::instruction_counter ... ok
[INFO] [stdout] test tests::result ... ok
[INFO] [stdout] test tests::option ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests do-notation
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] test src/lib.rs - (line 69) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff5da5b8f524b9ae30a2791357ff4d3fa59b6ca3e922395f5dd69464cbe64543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff5da5b8f524b9ae30a2791357ff4d3fa59b6ca3e922395f5dd69464cbe64543", kill_on_drop: false }`
[INFO] [stdout] ff5da5b8f524b9ae30a2791357ff4d3fa59b6ca3e922395f5dd69464cbe64543