[INFO] fetching crate qr2term 0.2.2...
[INFO] testing qr2term-0.2.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate qr2term 0.2.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate qr2term 0.2.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qr2term 0.2.2
[INFO] finished tweaking crates.io crate qr2term 0.2.2
[INFO] tweaked toml for crates.io crate qr2term 0.2.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate qr2term 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signal-hook v0.1.17
[INFO] [stderr]   Downloaded thread_local v1.0.1
[INFO] [stderr]   Downloaded log v0.4.11
[INFO] [stderr]   Downloaded ntapi v0.3.6
[INFO] [stderr]   Downloaded lock_api v0.4.2
[INFO] [stderr]   Downloaded redox_syscall v0.1.57
[INFO] [stderr]   Downloaded crossterm_winapi v0.7.0
[INFO] [stderr]   Downloaded smallvec v1.5.1
[INFO] [stderr]   Downloaded parking_lot_core v0.8.2
[INFO] [stderr]   Downloaded miow v0.3.6
[INFO] [stderr]   Downloaded memchr v2.3.4
[INFO] [stderr]   Downloaded regex v1.4.2
[INFO] [stderr]   Downloaded regex-syntax v0.6.21
[INFO] [stderr]   Downloaded mio v0.7.6
[INFO] [stderr]   Downloaded libc v0.2.81
[INFO] [stderr]   Downloaded signal-hook-registry v1.3.0
[INFO] [stderr]   Downloaded crossterm v0.19.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.15
[INFO] [stderr]   Downloaded instant v0.1.9
[INFO] [stderr]   Downloaded parking_lot v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be6a1395bad17ac1e4b43355c3f15d9469220b8f6bb68b1875edd28b07ed0131
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "be6a1395bad17ac1e4b43355c3f15d9469220b8f6bb68b1875edd28b07ed0131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be6a1395bad17ac1e4b43355c3f15d9469220b8f6bb68b1875edd28b07ed0131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be6a1395bad17ac1e4b43355c3f15d9469220b8f6bb68b1875edd28b07ed0131", kill_on_drop: false }`
[INFO] [stdout] be6a1395bad17ac1e4b43355c3f15d9469220b8f6bb68b1875edd28b07ed0131
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6950bdf29376bc003b94f1a62546baf448442b6428d4c3191aa66182d84d73e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b6950bdf29376bc003b94f1a62546baf448442b6428d4c3191aa66182d84d73e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling smallvec v1.5.1
[INFO] [stderr]    Compiling checked_int_cast v1.0.0
[INFO] [stderr]    Compiling mio v0.7.6
[INFO] [stderr]    Compiling qrcode v0.12.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling crossterm v0.19.0
[INFO] [stderr]    Compiling qr2term v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.90s
[INFO] running `Command { std: "docker" "inspect" "b6950bdf29376bc003b94f1a62546baf448442b6428d4c3191aa66182d84d73e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6950bdf29376bc003b94f1a62546baf448442b6428d4c3191aa66182d84d73e", kill_on_drop: false }`
[INFO] [stdout] b6950bdf29376bc003b94f1a62546baf448442b6428d4c3191aa66182d84d73e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a525dc42d887d16d92e645190d4d83307ac4c2412f7e9f302fff19f4170c81b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2a525dc42d887d16d92e645190d4d83307ac4c2412f7e9f302fff19f4170c81b", kill_on_drop: false }`
[INFO] [stderr]    Compiling qr2term v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.41s
[INFO] running `Command { std: "docker" "inspect" "2a525dc42d887d16d92e645190d4d83307ac4c2412f7e9f302fff19f4170c81b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a525dc42d887d16d92e645190d4d83307ac4c2412f7e9f302fff19f4170c81b", kill_on_drop: false }`
[INFO] [stdout] 2a525dc42d887d16d92e645190d4d83307ac4c2412f7e9f302fff19f4170c81b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dd4335d19dd29a25053a9ee1c3a06538f8634a4f1ba3152c4d3134ab8e8fd012
[INFO] running `Command { std: "docker" "start" "-a" "dd4335d19dd29a25053a9ee1c3a06538f8634a4f1ba3152c4d3134ab8e8fd012", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/qr2term-42159bb75ae77488)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test matrix::tests::surround_quiet_normal ... ok
[INFO] [stdout] test util::tests::usize_sqrt_squared ... ok
[INFO] [stdout] test matrix::tests::surround_quiet_empty ... ok
[INFO] [stdout] test render::tests::width_and_height ... ok
[INFO] [stdout] test matrix::tests::matrix_incorrect_size - should panic ... ok
[INFO] [stdout] test qr::tests::print_qr_too_long - should panic ... ok
[INFO] [stdout] test util::tests::usize_sqrt_not_squared - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests qr2term
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - print_qr (line 50) ... ok
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.91s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dd4335d19dd29a25053a9ee1c3a06538f8634a4f1ba3152c4d3134ab8e8fd012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd4335d19dd29a25053a9ee1c3a06538f8634a4f1ba3152c4d3134ab8e8fd012", kill_on_drop: false }`
[INFO] [stdout] dd4335d19dd29a25053a9ee1c3a06538f8634a4f1ba3152c4d3134ab8e8fd012