[INFO] fetching crate tutorials-chapter2 0.1.0...
[INFO] testing tutorials-chapter2-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate tutorials-chapter2 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate tutorials-chapter2 0.1.0
[INFO] finished tweaking crates.io crate tutorials-chapter2 0.1.0
[INFO] tweaked toml for crates.io crate tutorials-chapter2 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tutorials-chapter2 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tutorials-chapter2 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xattr v1.3.1
[INFO] [stderr]   Downloaded serde v1.0.197
[INFO] [stderr]   Downloaded futures-io v0.3.30
[INFO] [stderr]   Downloaded unicode-width v0.1.11
[INFO] [stderr]   Downloaded thiserror-impl v1.0.57
[INFO] [stderr]   Downloaded num-traits v0.2.18
[INFO] [stderr]   Downloaded pkg-config v0.3.30
[INFO] [stderr]   Downloaded rand v0.3.23
[INFO] [stderr]   Downloaded anstream v0.6.13
[INFO] [stderr]   Downloaded rustc-serialize v0.3.25
[INFO] [stderr]   Downloaded openssl-sys v0.9.101
[INFO] [stderr]   Downloaded futures-util v0.3.30
[INFO] [stderr]   Downloaded syn v2.0.52
[INFO] [stderr]   Downloaded regex v1.10.3
[INFO] [stderr]   Downloaded clap v4.5.1
[INFO] [stderr]   Downloaded ssh2-rsl v0.1.0
[INFO] [stderr]   Downloaded rustix v0.38.31
[INFO] [stderr]   Downloaded hashbrown v0.14.3
[INFO] [stderr]   Downloaded libc v0.2.153
[INFO] [stderr]   Downloaded clap_derive v4.5.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.52.4
[INFO] [stderr]   Downloaded windows_i686_msvc v0.52.4
[INFO] [stderr]   Downloaded cc v1.0.88
[INFO] [stderr]   Downloaded getrandom v0.2.12
[INFO] [stderr]   Downloaded serial_test v3.0.0
[INFO] [stderr]   Downloaded symlink v0.1.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.13
[INFO] [stderr]   Downloaded clap_lex v0.7.0
[INFO] [stderr]   Downloaded clap_builder v4.5.1
[INFO] [stderr]   Downloaded thiserror v1.0.57
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.52.4
[INFO] [stderr]   Downloaded redox_users v0.4.4
[INFO] [stderr]   Downloaded aho-corasick v1.1.2
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded dirs v5.0.1
[INFO] [stderr]   Downloaded vcpkg v0.2.15
[INFO] [stderr]   Downloaded anstyle v1.0.6
[INFO] [stderr]   Downloaded smawk v0.3.2
[INFO] [stderr]   Downloaded regex-syntax v0.8.2
[INFO] [stderr]   Downloaded unicode-linebreak v0.1.5
[INFO] [stderr]   Downloaded textwrap v0.16.1
[INFO] [stderr]   Downloaded wait-timeout v0.2.0
[INFO] [stderr]   Downloaded assert_cmd v2.0.14
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.52.4
[INFO] [stderr]   Downloaded anstyle-query v1.0.2
[INFO] [stderr]   Downloaded anstyle-wincon v3.0.2
[INFO] [stderr]   Downloaded utf8parse v0.2.1
[INFO] [stderr]   Downloaded strsim v0.11.0
[INFO] [stderr]   Downloaded heck v0.4.1
[INFO] [stderr]   Downloaded colored v2.1.0
[INFO] [stderr]   Downloaded libredox v0.0.1
[INFO] [stderr]   Downloaded exitcode v1.1.2
[INFO] [stderr]   Downloaded fs_extra v1.3.0
[INFO] [stderr]   Downloaded difflib v0.4.0
[INFO] [stderr]   Downloaded regex-automata v0.4.5
[INFO] [stderr]   Downloaded bstr v1.9.1
[INFO] [stderr]   Downloaded serial_test_derive v3.0.0
[INFO] [stderr]   Downloaded fastrand v2.0.1
[INFO] [stderr]   Downloaded bitflags v2.4.2
[INFO] [stderr]   Downloaded windows-targets v0.52.4
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.52.4
[INFO] [stderr]   Downloaded filetime v0.2.23
[INFO] [stderr]   Downloaded doc-comment v0.3.3
[INFO] [stderr]   Downloaded termtree v0.4.1
[INFO] [stderr]   Downloaded predicates-tree v1.0.9
[INFO] [stderr]   Downloaded anstyle-parse v0.2.3
[INFO] [stderr]   Downloaded colorchoice v1.0.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.52.4
[INFO] [stderr]   Downloaded normalize-line-endings v0.3.0
[INFO] [stderr]   Downloaded futures-executor v0.3.30
[INFO] [stderr]   Downloaded memchr v2.7.1
[INFO] [stderr]   Downloaded parking_lot v0.12.1
[INFO] [stderr]   Downloaded errno v0.3.8
[INFO] [stderr]   Downloaded tar-rsl v0.1.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.78
[INFO] [stderr]   Downloaded toml-rsl v0.1.0
[INFO] [stderr]   Downloaded xml-rsl v0.1.1
[INFO] [stderr]   Downloaded crypto-rsl v0.1.0
[INFO] [stderr]   Downloaded futures-channel v0.3.30
[INFO] [stderr]   Downloaded futures-core v0.3.30
[INFO] [stderr]   Downloaded futures-task v0.3.30
[INFO] [stderr]   Downloaded pin-project-lite v0.2.13
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.52.4
[INFO] [stderr]   Downloaded futures v0.3.30
[INFO] [stderr]   Downloaded log v0.4.21
[INFO] [stderr]   Downloaded lock_api v0.4.11
[INFO] [stderr]   Downloaded redox_syscall v0.4.1
[INFO] [stderr]   Downloaded parking_lot_core v0.9.9
[INFO] [stderr]   Downloaded predicates-core v1.0.6
[INFO] [stderr]   Downloaded predicates v3.1.0
[INFO] [stderr]   Downloaded autocfg v1.1.0
[INFO] [stderr]   Downloaded smallvec v1.13.1
[INFO] [stderr]   Downloaded tempfile v3.10.1
[INFO] [stderr]   Downloaded quote v1.0.35
[INFO] [stderr]   Downloaded serde_derive v1.0.197
[INFO] [stderr]   Downloaded futures-sink v0.3.30
[INFO] [stderr]   Downloaded jdks v0.1.3
[INFO] [stderr]   Downloaded libz-sys v1.1.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82f5fee74a0e65e8dbae63707d781862bda10077d5dd21b8ecb971a88fe8de57
[INFO] running `Command { std: "docker" "start" "-a" "82f5fee74a0e65e8dbae63707d781862bda10077d5dd21b8ecb971a88fe8de57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82f5fee74a0e65e8dbae63707d781862bda10077d5dd21b8ecb971a88fe8de57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82f5fee74a0e65e8dbae63707d781862bda10077d5dd21b8ecb971a88fe8de57", kill_on_drop: false }`
[INFO] [stdout] 82f5fee74a0e65e8dbae63707d781862bda10077d5dd21b8ecb971a88fe8de57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1b3bf595224bd803a977ef0cd0780dd758f714f0a4fb42de860adc766f9e17a
[INFO] running `Command { std: "docker" "start" "-a" "e1b3bf595224bd803a977ef0cd0780dd758f714f0a4fb42de860adc766f9e17a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling cc v1.0.88
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling ssh2-rsl v0.1.0
[INFO] [stderr]    Compiling libz-sys v1.1.15
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]    Compiling crypto-rsl v0.1.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling filetime v0.2.23
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling xattr v1.3.1
[INFO] [stderr]    Compiling tar-rsl v0.1.1
[INFO] [stderr]    Compiling toml-rsl v0.1.0
[INFO] [stderr]    Compiling xml-rsl v0.1.1
[INFO] [stderr]    Compiling tutorials-chapter2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.61s
[INFO] running `Command { std: "docker" "inspect" "e1b3bf595224bd803a977ef0cd0780dd758f714f0a4fb42de860adc766f9e17a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1b3bf595224bd803a977ef0cd0780dd758f714f0a4fb42de860adc766f9e17a", kill_on_drop: false }`
[INFO] [stdout] e1b3bf595224bd803a977ef0cd0780dd758f714f0a4fb42de860adc766f9e17a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed75d62033bf16dec04e023f70bca570c509a2cc1bf8f8a9f9509086287c1110
[INFO] running `Command { std: "docker" "start" "-a" "ed75d62033bf16dec04e023f70bca570c509a2cc1bf8f8a9f9509086287c1110", kill_on_drop: false }`
[INFO] [stderr]    Compiling tutorials-chapter2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "ed75d62033bf16dec04e023f70bca570c509a2cc1bf8f8a9f9509086287c1110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed75d62033bf16dec04e023f70bca570c509a2cc1bf8f8a9f9509086287c1110", kill_on_drop: false }`
[INFO] [stdout] ed75d62033bf16dec04e023f70bca570c509a2cc1bf8f8a9f9509086287c1110
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 70e450f7341c439772e8073218c7512fafddecef3fbd1d3c5138cef8feefa9b8
[INFO] running `Command { std: "docker" "start" "-a" "70e450f7341c439772e8073218c7512fafddecef3fbd1d3c5138cef8feefa9b8", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tutorials_chapter2-fc31f0cd31bd0e55)
[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" "70e450f7341c439772e8073218c7512fafddecef3fbd1d3c5138cef8feefa9b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70e450f7341c439772e8073218c7512fafddecef3fbd1d3c5138cef8feefa9b8", kill_on_drop: false }`
[INFO] [stdout] 70e450f7341c439772e8073218c7512fafddecef3fbd1d3c5138cef8feefa9b8