[INFO] cloning repository https://github.com/jkachmar/rust-in-action
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jkachmar/rust-in-action" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkachmar%2Frust-in-action", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkachmar%2Frust-in-action'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f3aa2693352c5248c4c6418d2658ba2ec69c115
[INFO] testing jkachmar/rust-in-action against 1.86.0 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkachmar%2Frust-in-action" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jkachmar/rust-in-action on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jkachmar/rust-in-action
[INFO] finished tweaking git repo https://github.com/jkachmar/rust-in-action
[INFO] tweaked toml for git repo https://github.com/jkachmar/rust-in-action written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jkachmar/rust-in-action 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" "+1.86.0" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6d4e7aa46a72e530e5309de7f2c50dd0069b7acf13b2c97145c6dd0bf4aa971
[INFO] running `Command { std: "docker" "start" "-a" "d6d4e7aa46a72e530e5309de7f2c50dd0069b7acf13b2c97145c6dd0bf4aa971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6d4e7aa46a72e530e5309de7f2c50dd0069b7acf13b2c97145c6dd0bf4aa971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6d4e7aa46a72e530e5309de7f2c50dd0069b7acf13b2c97145c6dd0bf4aa971", kill_on_drop: false }`
[INFO] [stdout] d6d4e7aa46a72e530e5309de7f2c50dd0069b7acf13b2c97145c6dd0bf4aa971
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 907d7c21a987f5109c53abc802fc2545e6e1e888102ac83d80b0b31fb03e71fc
[INFO] running `Command { std: "docker" "start" "-a" "907d7c21a987f5109c53abc802fc2545e6e1e888102ac83d80b0b31fb03e71fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling chapter_2 v0.0.0 (/opt/rustwide/workdir/chapter_2)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.99s
[INFO] running `Command { std: "docker" "inspect" "907d7c21a987f5109c53abc802fc2545e6e1e888102ac83d80b0b31fb03e71fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "907d7c21a987f5109c53abc802fc2545e6e1e888102ac83d80b0b31fb03e71fc", kill_on_drop: false }`
[INFO] [stdout] 907d7c21a987f5109c53abc802fc2545e6e1e888102ac83d80b0b31fb03e71fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a13c72a683e714604a0a92ab8e34f79136bcc244ced8c07aceb1c00a0ac6d4b
[INFO] running `Command { std: "docker" "start" "-a" "2a13c72a683e714604a0a92ab8e34f79136bcc244ced8c07aceb1c00a0ac6d4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling chapter_2 v0.0.0 (/opt/rustwide/workdir/chapter_2)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "2a13c72a683e714604a0a92ab8e34f79136bcc244ced8c07aceb1c00a0ac6d4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a13c72a683e714604a0a92ab8e34f79136bcc244ced8c07aceb1c00a0ac6d4b", kill_on_drop: false }`
[INFO] [stdout] 2a13c72a683e714604a0a92ab8e34f79136bcc244ced8c07aceb1c00a0ac6d4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f3e935517dbfef89defb055863a618544ec2c1b6c50cd58217981760280e0376
[INFO] running `Command { std: "docker" "start" "-a" "f3e935517dbfef89defb055863a618544ec2c1b6c50cd58217981760280e0376", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests 2_12_mandelbrot.rs (/opt/rustwide/target/debug/deps/ch2_12_mandelbrot-5482546672333802)
[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] [stdout] 
[INFO] [stderr]      Running unittests 2_17_generic_add.rs (/opt/rustwide/target/debug/deps/ch2_17_generic_add-0bba5d385d0d8c6b)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests 2_18_grep_lite.rs (/opt/rustwide/target/debug/deps/ch2_18_grep_lite-e07f263ed94506ee)
[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] [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]      Running unittests 2_1_ok.rs (/opt/rustwide/target/debug/deps/ch2_1_ok-4cb1a6fb0c043e87)
[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] [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]      Running unittests 2_20_manual_increment.rs (/opt/rustwide/target/debug/deps/ch2_20_manual_increment-891718203471c98d)
[INFO] [stderr]      Running unittests 2_21_defining_arrays.rs (/opt/rustwide/target/debug/deps/ch2_21_defining_arrays-0a96365cfa376637)
[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]      Running unittests 2_22_vectors.rs (/opt/rustwide/target/debug/deps/ch2_22_vectors-f1c6d7624e48df8a)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests 2_24_grep_lite.rs (/opt/rustwide/target/debug/deps/ch2_24_grep_lite-6ed3faf92214647c)
[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] [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]      Running unittests 2_26_grep_lite.rs (/opt/rustwide/target/debug/deps/ch2_26_grep_lite-491581dc60ccbb9c)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests 2_28_file_bufreader.rs (/opt/rustwide/target/debug/deps/ch2_28_file_bufreader-11d75509a935ff83)
[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] [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]      Running unittests 2_2_add.rs (/opt/rustwide/target/debug/deps/ch2_2_add-d504e5a19ff8b409)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests 2_3_numbers.rs (/opt/rustwide/target/debug/deps/ch2_3_numbers-2657b846902c85ee)
[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] [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]      Running unittests 2_4_bases.rs (/opt/rustwide/target/debug/deps/ch2_4_bases-442705024ec0209f)
[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] [stdout] 
[INFO] [stderr]      Running unittests 2_5_try_into.rs (/opt/rustwide/target/debug/deps/ch2_5_try_into-a5ed69b676e58380)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests 2_6_complex.rs (/opt/rustwide/target/debug/deps/ch2_6_complex-57ef3cc8d3294dd2)
[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] [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] [stderr]      Running unittests 2_7_while.rs (/opt/rustwide/target/debug/deps/ch2_7_while-1221951076bc5981)
[INFO] [stdout] 
[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]      Running unittests 2_8_match.rs (/opt/rustwide/target/debug/deps/ch2_8_match-e7b1db962ec3592e)
[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" "f3e935517dbfef89defb055863a618544ec2c1b6c50cd58217981760280e0376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e935517dbfef89defb055863a618544ec2c1b6c50cd58217981760280e0376", kill_on_drop: false }`
[INFO] [stdout] f3e935517dbfef89defb055863a618544ec2c1b6c50cd58217981760280e0376