[INFO] fetching crate knrs 0.2.1...
[INFO] testing knrs-0.2.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate knrs 0.2.1 into /workspace/builds/worker-95/source
[INFO] validating manifest of crates.io crate knrs 0.2.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate knrs 0.2.1
[INFO] finished tweaking crates.io crate knrs 0.2.1
[INFO] tweaked toml for crates.io crate knrs 0.2.1 written to /workspace/builds/worker-95/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--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-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e60b5829da317c5f80f05da5ff5167789c6cd3c06dd36490e06c9b3bd83bbce
[INFO] running `Command { std: "docker" "start" "-a" "1e60b5829da317c5f80f05da5ff5167789c6cd3c06dd36490e06c9b3bd83bbce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e60b5829da317c5f80f05da5ff5167789c6cd3c06dd36490e06c9b3bd83bbce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e60b5829da317c5f80f05da5ff5167789c6cd3c06dd36490e06c9b3bd83bbce", kill_on_drop: false }`
[INFO] [stdout] 1e60b5829da317c5f80f05da5ff5167789c6cd3c06dd36490e06c9b3bd83bbce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d09dc192eb3bdbbc6d94f7ae410e7ba591d39fdd7f1a2eda851c47d78ae01b1d
[INFO] running `Command { std: "docker" "start" "-a" "d09dc192eb3bdbbc6d94f7ae410e7ba591d39fdd7f1a2eda851c47d78ae01b1d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling pretty-bytes v0.1.0
[INFO] [stderr]    Compiling quick-csv v0.1.6
[INFO] [stderr]    Compiling csv v0.14.7
[INFO] [stderr]    Compiling knrs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.94s
[INFO] running `Command { std: "docker" "inspect" "d09dc192eb3bdbbc6d94f7ae410e7ba591d39fdd7f1a2eda851c47d78ae01b1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d09dc192eb3bdbbc6d94f7ae410e7ba591d39fdd7f1a2eda851c47d78ae01b1d", kill_on_drop: false }`
[INFO] [stdout] d09dc192eb3bdbbc6d94f7ae410e7ba591d39fdd7f1a2eda851c47d78ae01b1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d35518b532dcd52da306be08337f00e5eb62dcc17c3cb406c62c7e7d89e91062
[INFO] running `Command { std: "docker" "start" "-a" "d35518b532dcd52da306be08337f00e5eb62dcc17c3cb406c62c7e7d89e91062", kill_on_drop: false }`
[INFO] [stderr]    Compiling knrs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/knrs-67b3378a8cd646e6)
[INFO] running `Command { std: "docker" "inspect" "d35518b532dcd52da306be08337f00e5eb62dcc17c3cb406c62c7e7d89e91062", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d35518b532dcd52da306be08337f00e5eb62dcc17c3cb406c62c7e7d89e91062", kill_on_drop: false }`
[INFO] [stdout] d35518b532dcd52da306be08337f00e5eb62dcc17c3cb406c62c7e7d89e91062
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 17c3f0d9926b1391c8241313d0ef594358aa7c25fd1110c564684737556bce8a
[INFO] running `Command { std: "docker" "start" "-a" "17c3f0d9926b1391c8241313d0ef594358aa7c25fd1110c564684737556bce8a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/knrs-67b3378a8cd646e6)
[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] [stderr]    Doc-tests knrs
[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" "17c3f0d9926b1391c8241313d0ef594358aa7c25fd1110c564684737556bce8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c3f0d9926b1391c8241313d0ef594358aa7c25fd1110c564684737556bce8a", kill_on_drop: false }`
[INFO] [stdout] 17c3f0d9926b1391c8241313d0ef594358aa7c25fd1110c564684737556bce8a