[INFO] fetching crate knrs 0.2.1...
[INFO] testing knrs-0.2.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate knrs 0.2.1 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate knrs 0.2.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-41/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded csv v0.14.7
[INFO] [stderr]   Downloaded quick-csv v0.1.6
[INFO] [stderr]   Downloaded pretty-bytes v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19ecc50d4cf2cf822c78d025fa857b268f267c0aceeac903456c490582079c81
[INFO] running `Command { std: "docker" "start" "-a" "19ecc50d4cf2cf822c78d025fa857b268f267c0aceeac903456c490582079c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19ecc50d4cf2cf822c78d025fa857b268f267c0aceeac903456c490582079c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19ecc50d4cf2cf822c78d025fa857b268f267c0aceeac903456c490582079c81", kill_on_drop: false }`
[INFO] [stdout] 19ecc50d4cf2cf822c78d025fa857b268f267c0aceeac903456c490582079c81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c1502dc15fc30a43734eb2bcaf19aa2d8cdca7adda3458e7b838a1520bb4956
[INFO] running `Command { std: "docker" "start" "-a" "2c1502dc15fc30a43734eb2bcaf19aa2d8cdca7adda3458e7b838a1520bb4956", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling libc v0.1.12
[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 csv v0.14.7
[INFO] [stderr]    Compiling quick-csv v0.1.6
[INFO] [stderr]    Compiling knrs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.58s
[INFO] running `Command { std: "docker" "inspect" "2c1502dc15fc30a43734eb2bcaf19aa2d8cdca7adda3458e7b838a1520bb4956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c1502dc15fc30a43734eb2bcaf19aa2d8cdca7adda3458e7b838a1520bb4956", kill_on_drop: false }`
[INFO] [stdout] 2c1502dc15fc30a43734eb2bcaf19aa2d8cdca7adda3458e7b838a1520bb4956
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee234114c5cf06d0bd95d5cf6cde534d8f32bd40dc63d039154f1a7e7bdb114d
[INFO] running `Command { std: "docker" "start" "-a" "ee234114c5cf06d0bd95d5cf6cde534d8f32bd40dc63d039154f1a7e7bdb114d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling knrs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "ee234114c5cf06d0bd95d5cf6cde534d8f32bd40dc63d039154f1a7e7bdb114d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee234114c5cf06d0bd95d5cf6cde534d8f32bd40dc63d039154f1a7e7bdb114d", kill_on_drop: false }`
[INFO] [stdout] ee234114c5cf06d0bd95d5cf6cde534d8f32bd40dc63d039154f1a7e7bdb114d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 16fcd4994094b22c08e00f4ee2006a712ca451eb94c05121fa62a367d849c46a
[INFO] running `Command { std: "docker" "start" "-a" "16fcd4994094b22c08e00f4ee2006a712ca451eb94c05121fa62a367d849c46a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/knrs-03bb82c84b8e35ca)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests knrs
[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 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" "16fcd4994094b22c08e00f4ee2006a712ca451eb94c05121fa62a367d849c46a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16fcd4994094b22c08e00f4ee2006a712ca451eb94c05121fa62a367d849c46a", kill_on_drop: false }`
[INFO] [stdout] 16fcd4994094b22c08e00f4ee2006a712ca451eb94c05121fa62a367d849c46a