[INFO] fetching crate text_placeholder 0.4.0...
[INFO] testing text_placeholder-0.4.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate text_placeholder 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate text_placeholder 0.4.0 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 text_placeholder 0.4.0
[INFO] finished tweaking crates.io crate text_placeholder 0.4.0
[INFO] tweaked toml for crates.io crate text_placeholder 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3118948a89f6e61ece7b837d9c0878377ca2d6568bff6e8d8a4bf5a6396bce02
[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" "3118948a89f6e61ece7b837d9c0878377ca2d6568bff6e8d8a4bf5a6396bce02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3118948a89f6e61ece7b837d9c0878377ca2d6568bff6e8d8a4bf5a6396bce02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3118948a89f6e61ece7b837d9c0878377ca2d6568bff6e8d8a4bf5a6396bce02", kill_on_drop: false }`
[INFO] [stdout] 3118948a89f6e61ece7b837d9c0878377ca2d6568bff6e8d8a4bf5a6396bce02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", 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] 5213d2aa5161033ebb994e6b8e380649a8aa75278a4593e4815335e1a9bac733
[INFO] running `Command { std: "docker" "start" "-a" "5213d2aa5161033ebb994e6b8e380649a8aa75278a4593e4815335e1a9bac733", kill_on_drop: false }`
[INFO] [stderr]    Compiling text_placeholder v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "5213d2aa5161033ebb994e6b8e380649a8aa75278a4593e4815335e1a9bac733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5213d2aa5161033ebb994e6b8e380649a8aa75278a4593e4815335e1a9bac733", kill_on_drop: false }`
[INFO] [stdout] 5213d2aa5161033ebb994e6b8e380649a8aa75278a4593e4815335e1a9bac733
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", 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] 91591fe32ab0d1c20fe048ab8ff77a4da7b139a537dadff54ac78bd4e37cde6b
[INFO] running `Command { std: "docker" "start" "-a" "91591fe32ab0d1c20fe048ab8ff77a4da7b139a537dadff54ac78bd4e37cde6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling text_placeholder v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "91591fe32ab0d1c20fe048ab8ff77a4da7b139a537dadff54ac78bd4e37cde6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91591fe32ab0d1c20fe048ab8ff77a4da7b139a537dadff54ac78bd4e37cde6b", kill_on_drop: false }`
[INFO] [stdout] 91591fe32ab0d1c20fe048ab8ff77a4da7b139a537dadff54ac78bd4e37cde6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8050db47f14495e224b1517c668c219db133e51ecfc3e59c378716f3204ddb11
[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" "8050db47f14495e224b1517c668c219db133e51ecfc3e59c378716f3204ddb11", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/text_placeholder-ad4d69058d9621b2
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test tests::test_hashmap_missing_closing_boundaries ... ok
[INFO] [stdout] test tests::test_hashmap_no_replacements ... ok
[INFO] [stdout] test tests::test_hashmap_replacement_end_line ... ok
[INFO] [stdout] test tests::test_hashmap_strict_missing_starting_boundaries ... ok
[INFO] [stdout] test tests::test_hashmap_strict_multiple_replacements ... ok
[INFO] [stdout] test tests::test_hashmap_strict_no_replacements ... ok
[INFO] [stdout] test tests::test_hashmap_strict_replacement_end_line ... ok
[INFO] [stdout] test tests::test_hashmap_strict_missing_replacements ... ok
[INFO] [stdout] test tests::test_hashmap_strict_missing_closing_boundaries ... ok
[INFO] [stdout] test tests::test_hashmap_replacement_start_line ... ok
[INFO] [stdout] test token_iterator::tests::test_missing_boundary_end ... ok
[INFO] [stdout] test tests::test_hashmap_replacement_middle_line ... ok
[INFO] [stdout] test token_iterator::tests::test_missing_boundary_start ... ok
[INFO] [stdout] test token_iterator::tests::test_multiple_chars_boundary_and_missing_boundaries ... ok
[INFO] [stdout] test token_iterator::tests::test_multiple_chars_boundary_middle_of_line ... ok
[INFO] [stdout] test token_iterator::tests::test_multiple_chars_boundary_end_of_line ... ok
[INFO] [stdout] test token_iterator::tests::test_multiple_chars_boundary_multiple_boundaries ... ok
[INFO] [stdout] test token_iterator::tests::test_multiple_chars_missing_boundary_end ... ok
[INFO] [stdout] test token_iterator::tests::test_multiple_chars_missing_boundary_start ... ok
[INFO] [stdout] test token_iterator::tests::test_multiple_chars_boundary_start_of_line ... ok
[INFO] [stdout] test token_iterator::tests::test_no_boundaries_present ... ok
[INFO] [stdout] test token_iterator::tests::test_trim_placeholdler_suffix_space ... ok
[INFO] [stdout] test token_iterator::tests::test_trim_placeholdler_prefix_space ... ok
[INFO] [stdout] test token_iterator::tests::test_trim_placeholdler_presuffix_space ... ok
[INFO] [stdout] test tests::test_hashmap_missing_replacements ... ok
[INFO] [stdout] test tests::test_hashmap_missing_starting_boundaries ... ok
[INFO] [stdout] test tests::test_hashmap_multiple_replacements ... ok
[INFO] [stdout] test token_iterator::tests::test_boundary_middle_of_line ... ok
[INFO] [stdout] test token_iterator::tests::test_boundary_end_of_line ... ok
[INFO] [stdout] test token_iterator::tests::test_boundary_begging_of_line ... ok
[INFO] [stdout] test token_iterator::tests::test_boundary_and_missing_boundaries ... ok
[INFO] [stdout] test tests::test_hashmap_strict_replacement_start_line ... ok
[INFO] [stdout] test tests::test_hashmap_strict_replacement_middle_line ... ok
[INFO] [stderr]    Doc-tests text_placeholder
[INFO] [stdout] test token_iterator::tests::test_boundary_multiple_boundaries ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8050db47f14495e224b1517c668c219db133e51ecfc3e59c378716f3204ddb11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8050db47f14495e224b1517c668c219db133e51ecfc3e59c378716f3204ddb11", kill_on_drop: false }`
[INFO] [stdout] 8050db47f14495e224b1517c668c219db133e51ecfc3e59c378716f3204ddb11