[INFO] fetching crate char_combinator 1.1.2...
[INFO] testing char_combinator-1.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate char_combinator 1.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate char_combinator 1.1.2 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 char_combinator 1.1.2
[INFO] finished tweaking crates.io crate char_combinator 1.1.2
[INFO] tweaked toml for crates.io crate char_combinator 1.1.2 written to /workspace/builds/worker-3/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 37274f812f66c1323c9d4d2fa0184b125fc1d4f09dc7e082d4fa067f428aeedb
[INFO] running `Command { std: "docker" "start" "-a" "37274f812f66c1323c9d4d2fa0184b125fc1d4f09dc7e082d4fa067f428aeedb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37274f812f66c1323c9d4d2fa0184b125fc1d4f09dc7e082d4fa067f428aeedb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37274f812f66c1323c9d4d2fa0184b125fc1d4f09dc7e082d4fa067f428aeedb", kill_on_drop: false }`
[INFO] [stdout] 37274f812f66c1323c9d4d2fa0184b125fc1d4f09dc7e082d4fa067f428aeedb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 8588c5f1a2f548f117dd073af2fbe10a34206c786c59f0b7ae513b0449d5b1c5
[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" "8588c5f1a2f548f117dd073af2fbe10a34206c786c59f0b7ae513b0449d5b1c5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling char_combinator v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.56s
[INFO] running `Command { std: "docker" "inspect" "8588c5f1a2f548f117dd073af2fbe10a34206c786c59f0b7ae513b0449d5b1c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8588c5f1a2f548f117dd073af2fbe10a34206c786c59f0b7ae513b0449d5b1c5", kill_on_drop: false }`
[INFO] [stdout] 8588c5f1a2f548f117dd073af2fbe10a34206c786c59f0b7ae513b0449d5b1c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 5854970e117d568ea5d0ef58ebd584af985409441b97e801c036541002ae12af
[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" "5854970e117d568ea5d0ef58ebd584af985409441b97e801c036541002ae12af", kill_on_drop: false }`
[INFO] [stderr]    Compiling char_combinator v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "5854970e117d568ea5d0ef58ebd584af985409441b97e801c036541002ae12af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5854970e117d568ea5d0ef58ebd584af985409441b97e801c036541002ae12af", kill_on_drop: false }`
[INFO] [stdout] 5854970e117d568ea5d0ef58ebd584af985409441b97e801c036541002ae12af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 8b1d8ac4d8b087c1c62f5358ffaac6b4ff652d033b706048a5c94f50221c809a
[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" "8b1d8ac4d8b087c1c62f5358ffaac6b4ff652d033b706048a5c94f50221c809a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/char_combinator-4c644b1db5eb44dc
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::start_at ... ok
[INFO] [stderr]    Doc-tests char_combinator
[INFO] [stdout] test tests::default ... ok
[INFO] [stdout] test tests::with_range ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8b1d8ac4d8b087c1c62f5358ffaac6b4ff652d033b706048a5c94f50221c809a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b1d8ac4d8b087c1c62f5358ffaac6b4ff652d033b706048a5c94f50221c809a", kill_on_drop: false }`
[INFO] [stdout] 8b1d8ac4d8b087c1c62f5358ffaac6b4ff652d033b706048a5c94f50221c809a