[INFO] cloning repository https://github.com/ksh2ksk4/rust-code-fragments-error-handling
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ksh2ksk4/rust-code-fragments-error-handling" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fksh2ksk4%2Frust-code-fragments-error-handling", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fksh2ksk4%2Frust-code-fragments-error-handling'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05ea32ef8aa9475eaed4922f28d85d22ab5ec81b
[INFO] testing ksh2ksk4/rust-code-fragments-error-handling against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fksh2ksk4%2Frust-code-fragments-error-handling" "/workspace/builds/worker-70/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-70/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ksh2ksk4/rust-code-fragments-error-handling 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 git repo https://github.com/ksh2ksk4/rust-code-fragments-error-handling
[INFO] finished tweaking git repo https://github.com/ksh2ksk4/rust-code-fragments-error-handling
[INFO] tweaked toml for git repo https://github.com/ksh2ksk4/rust-code-fragments-error-handling written to /workspace/builds/worker-70/source/Cargo.toml
[INFO] crate git repo https://github.com/ksh2ksk4/rust-code-fragments-error-handling already has a lockfile, it will not be regenerated
[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-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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] 85abe7a901be21cf8a73e2844fae7c350f3d0d85d225cf55884800e58732d0da
[INFO] running `Command { std: "docker" "start" "-a" "85abe7a901be21cf8a73e2844fae7c350f3d0d85d225cf55884800e58732d0da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85abe7a901be21cf8a73e2844fae7c350f3d0d85d225cf55884800e58732d0da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85abe7a901be21cf8a73e2844fae7c350f3d0d85d225cf55884800e58732d0da", kill_on_drop: false }`
[INFO] [stdout] 85abe7a901be21cf8a73e2844fae7c350f3d0d85d225cf55884800e58732d0da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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] 9e737063a8b8bc42518dbfba0c1e1f399956a4577fcbcad39b5734ba5b66ad09
[INFO] running `Command { std: "docker" "start" "-a" "9e737063a8b8bc42518dbfba0c1e1f399956a4577fcbcad39b5734ba5b66ad09", kill_on_drop: false }`
[INFO] [stderr]    Compiling error-handling v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:28:41
[INFO] [stdout]    |
[INFO] [stdout] 28 |             CliError::Parse(ref e) => e.description()
[INFO] [stdout]    |                                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "9e737063a8b8bc42518dbfba0c1e1f399956a4577fcbcad39b5734ba5b66ad09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e737063a8b8bc42518dbfba0c1e1f399956a4577fcbcad39b5734ba5b66ad09", kill_on_drop: false }`
[INFO] [stdout] 9e737063a8b8bc42518dbfba0c1e1f399956a4577fcbcad39b5734ba5b66ad09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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] 2d71c52e3279ddd8ade872892873505fa50213ce4f73dca1b6908ba3f83a5b09
[INFO] running `Command { std: "docker" "start" "-a" "2d71c52e3279ddd8ade872892873505fa50213ce4f73dca1b6908ba3f83a5b09", kill_on_drop: false }`
[INFO] [stderr]    Compiling error-handling v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:28:41
[INFO] [stdout]    |
[INFO] [stdout] 28 |             CliError::Parse(ref e) => e.description()
[INFO] [stdout]    |                                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "2d71c52e3279ddd8ade872892873505fa50213ce4f73dca1b6908ba3f83a5b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d71c52e3279ddd8ade872892873505fa50213ce4f73dca1b6908ba3f83a5b09", kill_on_drop: false }`
[INFO] [stdout] 2d71c52e3279ddd8ade872892873505fa50213ce4f73dca1b6908ba3f83a5b09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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] 7fa6465606e550958ba15f6b60d1a8cb83e3a2cb26b8a41bb2d783b4f361d62a
[INFO] running `Command { std: "docker" "start" "-a" "7fa6465606e550958ba15f6b60d1a8cb83e3a2cb26b8a41bb2d783b4f361d62a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:28:41
[INFO] [stderr]    |
[INFO] [stderr] 28 |             CliError::Parse(ref e) => e.description()
[INFO] [stderr]    |                                         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `error-handling` (bin "error-handling" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/error_handling-fbb70fbaca0f610f)
[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" "7fa6465606e550958ba15f6b60d1a8cb83e3a2cb26b8a41bb2d783b4f361d62a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fa6465606e550958ba15f6b60d1a8cb83e3a2cb26b8a41bb2d783b4f361d62a", kill_on_drop: false }`
[INFO] [stdout] 7fa6465606e550958ba15f6b60d1a8cb83e3a2cb26b8a41bb2d783b4f361d62a