[INFO] fetching crate qr2term 0.2.2...
[INFO] testing qr2term-0.2.2 against 1.49.0 for beta-1.50-1
[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 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6ff2e9d371702c19f4196abc85577b204448bef01c9a907ef728e76b68b98c0
[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" "e6ff2e9d371702c19f4196abc85577b204448bef01c9a907ef728e76b68b98c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6ff2e9d371702c19f4196abc85577b204448bef01c9a907ef728e76b68b98c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6ff2e9d371702c19f4196abc85577b204448bef01c9a907ef728e76b68b98c0", kill_on_drop: false }`
[INFO] [stdout] e6ff2e9d371702c19f4196abc85577b204448bef01c9a907ef728e76b68b98c0
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cf7ded70b4d24d81e8f1d02e16e30b971f4e12fcf256330ccd67fcbce84c1bf
[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" "2cf7ded70b4d24d81e8f1d02e16e30b971f4e12fcf256330ccd67fcbce84c1bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.5.1
[INFO] [stderr]    Compiling checked_int_cast v1.0.0
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[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 5.72s
[INFO] running `Command { std: "docker" "inspect" "2cf7ded70b4d24d81e8f1d02e16e30b971f4e12fcf256330ccd67fcbce84c1bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cf7ded70b4d24d81e8f1d02e16e30b971f4e12fcf256330ccd67fcbce84c1bf", kill_on_drop: false }`
[INFO] [stdout] 2cf7ded70b4d24d81e8f1d02e16e30b971f4e12fcf256330ccd67fcbce84c1bf
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58ea8b5e9541ac0cfe01f356de96d1776ddc6c184e95dc4f4aabf867387f2028
[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" "58ea8b5e9541ac0cfe01f356de96d1776ddc6c184e95dc4f4aabf867387f2028", kill_on_drop: false }`
[INFO] [stderr]    Compiling qr2term v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `Command { std: "docker" "inspect" "58ea8b5e9541ac0cfe01f356de96d1776ddc6c184e95dc4f4aabf867387f2028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58ea8b5e9541ac0cfe01f356de96d1776ddc6c184e95dc4f4aabf867387f2028", kill_on_drop: false }`
[INFO] [stdout] 58ea8b5e9541ac0cfe01f356de96d1776ddc6c184e95dc4f4aabf867387f2028
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8ea6b26863356896df3833a798545b80bd4c9a9e03d1369d818093343361b6e4
[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" "8ea6b26863356896df3833a798545b80bd4c9a9e03d1369d818093343361b6e4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/qr2term-116e0851bce2dc50
[INFO] [stdout] running 7 tests
[INFO] [stdout] test matrix::tests::surround_quiet_empty ... ok
[INFO] [stdout] test matrix::tests::surround_quiet_normal ... ok
[INFO] [stdout] test util::tests::usize_sqrt_squared ... ok
[INFO] [stdout] test render::tests::width_and_height ... ok
[INFO] [stdout] test util::tests::usize_sqrt_not_squared ... ok
[INFO] [stdout] test matrix::tests::matrix_incorrect_size ... ok
[INFO] [stdout] test qr::tests::print_qr_too_long ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests qr2term
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] test src/lib.rs - print_qr (line 50) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8ea6b26863356896df3833a798545b80bd4c9a9e03d1369d818093343361b6e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ea6b26863356896df3833a798545b80bd4c9a9e03d1369d818093343361b6e4", kill_on_drop: false }`
[INFO] [stdout] 8ea6b26863356896df3833a798545b80bd4c9a9e03d1369d818093343361b6e4