[INFO] fetching crate muchutils 0.1.0...
[INFO] testing muchutils-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate muchutils 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate muchutils 0.1.0 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 muchutils 0.1.0
[INFO] finished tweaking crates.io crate muchutils 0.1.0
[INFO] tweaked toml for crates.io crate muchutils 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate muchutils 0.1.0 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bb262b1a2d91959057b8e767f1e37102151d2c1fee73881afa815c9782c337cb
[INFO] running `Command { std: "docker" "start" "-a" "bb262b1a2d91959057b8e767f1e37102151d2c1fee73881afa815c9782c337cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb262b1a2d91959057b8e767f1e37102151d2c1fee73881afa815c9782c337cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb262b1a2d91959057b8e767f1e37102151d2c1fee73881afa815c9782c337cb", kill_on_drop: false }`
[INFO] [stdout] bb262b1a2d91959057b8e767f1e37102151d2c1fee73881afa815c9782c337cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 83e25b99272cea41cbf9170c6dca034b15b697f7bf659c6473760c011d001412
[INFO] running `Command { std: "docker" "start" "-a" "83e25b99272cea41cbf9170c6dca034b15b697f7bf659c6473760c011d001412", kill_on_drop: false }`
[INFO] [stderr]    Compiling iowrap v0.2.0
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling flate2 v1.0.17
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling tempfile-fast v0.3.3
[INFO] [stderr]    Compiling lru v0.6.0
[INFO] [stderr]    Compiling muchutils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.83s
[INFO] running `Command { std: "docker" "inspect" "83e25b99272cea41cbf9170c6dca034b15b697f7bf659c6473760c011d001412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83e25b99272cea41cbf9170c6dca034b15b697f7bf659c6473760c011d001412", kill_on_drop: false }`
[INFO] [stdout] 83e25b99272cea41cbf9170c6dca034b15b697f7bf659c6473760c011d001412
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f308fcbb7002e1d0e5a3a21eb42b025082788e4f7773516052a0c51e79891a7a
[INFO] running `Command { std: "docker" "start" "-a" "f308fcbb7002e1d0e5a3a21eb42b025082788e4f7773516052a0c51e79891a7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling muchutils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "f308fcbb7002e1d0e5a3a21eb42b025082788e4f7773516052a0c51e79891a7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f308fcbb7002e1d0e5a3a21eb42b025082788e4f7773516052a0c51e79891a7a", kill_on_drop: false }`
[INFO] [stdout] f308fcbb7002e1d0e5a3a21eb42b025082788e4f7773516052a0c51e79891a7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d11167c04910187d01bcb6641077101d2c9321d85ff6d5fa42e1900605be8eaf
[INFO] running `Command { std: "docker" "start" "-a" "d11167c04910187d01bcb6641077101d2c9321d85ff6d5fa42e1900605be8eaf", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/muchutils-dc3f9dd2ea9fa65d
[INFO] [stdout] test sortuniq::tests::local ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wrapper-985b145089250009
[INFO] [stdout] test count_bytes::human_size_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test name_picking ... ok
[INFO] [stdout] test name_picking_symlink ... ok
[INFO] [stdout] test name_picking_arg0 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d11167c04910187d01bcb6641077101d2c9321d85ff6d5fa42e1900605be8eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d11167c04910187d01bcb6641077101d2c9321d85ff6d5fa42e1900605be8eaf", kill_on_drop: false }`
[INFO] [stdout] d11167c04910187d01bcb6641077101d2c9321d85ff6d5fa42e1900605be8eaf