[INFO] fetching crate imgthin 0.1.1...
[INFO] testing imgthin-0.1.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate imgthin 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate imgthin 0.1.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imgthin 0.1.1
[INFO] finished tweaking crates.io crate imgthin 0.1.1
[INFO] tweaked toml for crates.io crate imgthin 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ceb5d6f0b403a0bb9da78f66346503aab58065247e8de9965e3bea1b3e210f89
[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" "ceb5d6f0b403a0bb9da78f66346503aab58065247e8de9965e3bea1b3e210f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ceb5d6f0b403a0bb9da78f66346503aab58065247e8de9965e3bea1b3e210f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceb5d6f0b403a0bb9da78f66346503aab58065247e8de9965e3bea1b3e210f89", kill_on_drop: false }`
[INFO] [stdout] ceb5d6f0b403a0bb9da78f66346503aab58065247e8de9965e3bea1b3e210f89
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d1981cb7d5a300595d2468bf3958df0a3b3db625af45fdd0834fa32a69f9171
[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" "4d1981cb7d5a300595d2468bf3958df0a3b3db625af45fdd0834fa32a69f9171", 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] [stderr]    Compiling imgthin v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "4d1981cb7d5a300595d2468bf3958df0a3b3db625af45fdd0834fa32a69f9171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d1981cb7d5a300595d2468bf3958df0a3b3db625af45fdd0834fa32a69f9171", kill_on_drop: false }`
[INFO] [stdout] 4d1981cb7d5a300595d2468bf3958df0a3b3db625af45fdd0834fa32a69f9171
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1644f6357cd66c9f9703808ef7a4d673c5b10e05ede1b44a4e7118660276b7f
[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" "f1644f6357cd66c9f9703808ef7a4d673c5b10e05ede1b44a4e7118660276b7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling imgthin v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "f1644f6357cd66c9f9703808ef7a4d673c5b10e05ede1b44a4e7118660276b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1644f6357cd66c9f9703808ef7a4d673c5b10e05ede1b44a4e7118660276b7f", kill_on_drop: false }`
[INFO] [stdout] f1644f6357cd66c9f9703808ef7a4d673c5b10e05ede1b44a4e7118660276b7f
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b38f50914b41c1f654c5216b2b3e8ab178e2c07edaf48615fa1bbe960e2dd607
[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" "b38f50914b41c1f654c5216b2b3e8ab178e2c07edaf48615fa1bbe960e2dd607", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/imgthin-9cc42b073b5baffb)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test bin_image::test::test_get_neighbors ... ok
[INFO] [stdout] test bin_image::test::test_sub ... ok
[INFO] [stdout] test default::test::test_subiter ... ok
[INFO] [stdout] test common::test::test_calculate_ap_bp ... ok
[INFO] [stderr]    Doc-tests imgthin
[INFO] [stdout] test default::test::test_char_b ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 43) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.74s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b38f50914b41c1f654c5216b2b3e8ab178e2c07edaf48615fa1bbe960e2dd607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b38f50914b41c1f654c5216b2b3e8ab178e2c07edaf48615fa1bbe960e2dd607", kill_on_drop: false }`
[INFO] [stdout] b38f50914b41c1f654c5216b2b3e8ab178e2c07edaf48615fa1bbe960e2dd607