[INFO] fetching crate chars 0.5.0...
[INFO] testing chars-0.5.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate chars 0.5.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate chars 0.5.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chars 0.5.0
[INFO] finished tweaking crates.io crate chars 0.5.0
[INFO] tweaked toml for crates.io crate chars 0.5.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate chars 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusty-fork v0.2.2
[INFO] [stderr]   Downloaded chars_data v0.5.0
[INFO] [stderr]   Downloaded proptest v0.9.5
[INFO] [stderr]   Downloaded bit-set v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "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] 4cb076ff05c8a5c1d43d71fdd7d4c2044e155fa786218adc11bb8ec30171752d
[INFO] running `Command { std: "docker" "start" "-a" "4cb076ff05c8a5c1d43d71fdd7d4c2044e155fa786218adc11bb8ec30171752d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cb076ff05c8a5c1d43d71fdd7d4c2044e155fa786218adc11bb8ec30171752d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cb076ff05c8a5c1d43d71fdd7d4c2044e155fa786218adc11bb8ec30171752d", kill_on_drop: false }`
[INFO] [stdout] 4cb076ff05c8a5c1d43d71fdd7d4c2044e155fa786218adc11bb8ec30171752d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87ea13c2753ac21beec316e4b9767f9e5efa0d1d536af596e722310d3718ba53
[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" "87ea13c2753ac21beec316e4b9767f9e5efa0d1d536af596e722310d3718ba53", kill_on_drop: false }`
[INFO] [stderr]    Compiling fst v0.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling unicode_names2 v0.4.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling regex v1.3.5
[INFO] [stderr]    Compiling chars_data v0.5.0
[INFO] [stderr]    Compiling chars v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.17s
[INFO] running `Command { std: "docker" "inspect" "87ea13c2753ac21beec316e4b9767f9e5efa0d1d536af596e722310d3718ba53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87ea13c2753ac21beec316e4b9767f9e5efa0d1d536af596e722310d3718ba53", kill_on_drop: false }`
[INFO] [stdout] 87ea13c2753ac21beec316e4b9767f9e5efa0d1d536af596e722310d3718ba53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9473afdb904985a3708c01b643f43b53acdf9a4b356b96c22f22c26eed12198c
[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" "9473afdb904985a3708c01b643f43b53acdf9a4b356b96c22f22c26eed12198c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.9.5
[INFO] [stderr]    Compiling chars v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 21.57s
[INFO] running `Command { std: "docker" "inspect" "9473afdb904985a3708c01b643f43b53acdf9a4b356b96c22f22c26eed12198c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9473afdb904985a3708c01b643f43b53acdf9a4b356b96c22f22c26eed12198c", kill_on_drop: false }`
[INFO] [stdout] 9473afdb904985a3708c01b643f43b53acdf9a4b356b96c22f22c26eed12198c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "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] a15413f69c10840f75429e4f70c5aa2728a238392fb007621e5038c81bcf203d
[INFO] running `Command { std: "docker" "start" "-a" "a15413f69c10840f75429e4f70c5aa2728a238392fb007621e5038c81bcf203d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chars-ce3698563a484152
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test human_names::from_arg_translates_controls ... ok
[INFO] [stdout] test human_names::from_arg_translates_chars ... ok
[INFO] [stdout] test human_names::from_arg_translates_numbers ... ok
[INFO] [stdout] test human_names::from_arg_translates_descriptions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chars-6d44134ffefead18
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/human_names-7fc053549fde1153
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test find_any_by_identity ... ok
[INFO] [stdout] test find_control_chars ... ok
[INFO] [stdout] test find_any_by_hex ... ok
[INFO] [stdout] test find_by_name ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.17s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chars
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a15413f69c10840f75429e4f70c5aa2728a238392fb007621e5038c81bcf203d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a15413f69c10840f75429e4f70c5aa2728a238392fb007621e5038c81bcf203d", kill_on_drop: false }`
[INFO] [stdout] a15413f69c10840f75429e4f70c5aa2728a238392fb007621e5038c81bcf203d