[INFO] fetching crate crfs 0.2.0...
[INFO] testing crfs-0.2.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate crfs 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate crfs 0.2.0 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 crfs 0.2.0
[INFO] finished tweaking crates.io crate crfs 0.2.0
[INFO] tweaked toml for crates.io crate crfs 0.2.0 written to /workspace/builds/worker-1/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]  Downloading crates ...
[INFO] [stderr]   Downloaded cqdb v0.5.6
[INFO] [stderr]   Downloaded jhash v0.1.1
[INFO] [stderr]   Downloaded crfsuite v0.3.1
[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" "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] e691f35b3a0d2ba805cf1f2ced2f4eb05a1438d0933bc7ac7919212fb44699e0
[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" "e691f35b3a0d2ba805cf1f2ced2f4eb05a1438d0933bc7ac7919212fb44699e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e691f35b3a0d2ba805cf1f2ced2f4eb05a1438d0933bc7ac7919212fb44699e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e691f35b3a0d2ba805cf1f2ced2f4eb05a1438d0933bc7ac7919212fb44699e0", kill_on_drop: false }`
[INFO] [stdout] e691f35b3a0d2ba805cf1f2ced2f4eb05a1438d0933bc7ac7919212fb44699e0
[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=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] e3cfcc363a1982cbe918d5b8541f7cf21c64dfd79b12b749ac70b781e1cdc049
[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" "e3cfcc363a1982cbe918d5b8541f7cf21c64dfd79b12b749ac70b781e1cdc049", kill_on_drop: false }`
[INFO] [stderr]    Compiling jhash v0.1.1
[INFO] [stderr]    Compiling cqdb v0.5.6
[INFO] [stderr]    Compiling crfs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `num_attrs`
[INFO] [stdout]   --> src/tagger.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     num_attrs: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "e3cfcc363a1982cbe918d5b8541f7cf21c64dfd79b12b749ac70b781e1cdc049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3cfcc363a1982cbe918d5b8541f7cf21c64dfd79b12b749ac70b781e1cdc049", kill_on_drop: false }`
[INFO] [stdout] e3cfcc363a1982cbe918d5b8541f7cf21c64dfd79b12b749ac70b781e1cdc049
[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=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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 190ffa9684ae4df186ab01df167de05f708159fddd70903a9bbbf071925e4d1c
[INFO] running `Command { std: "docker" "start" "-a" "190ffa9684ae4df186ab01df167de05f708159fddd70903a9bbbf071925e4d1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling crfsuite-sys v0.3.1
[INFO] [stdout] warning: field is never read: `num_attrs`
[INFO] [stdout]   --> src/tagger.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     num_attrs: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling crfsuite v0.3.1
[INFO] [stderr]    Compiling crfs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `num_attrs`
[INFO] [stdout]   --> src/tagger.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     num_attrs: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.85s
[INFO] running `Command { std: "docker" "inspect" "190ffa9684ae4df186ab01df167de05f708159fddd70903a9bbbf071925e4d1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "190ffa9684ae4df186ab01df167de05f708159fddd70903a9bbbf071925e4d1c", kill_on_drop: false }`
[INFO] [stdout] 190ffa9684ae4df186ab01df167de05f708159fddd70903a9bbbf071925e4d1c
[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=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] 46578e22a6ef7b38cea000dafebcd388b32e3583a35d14bc498b67cc10d05859
[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" "46578e22a6ef7b38cea000dafebcd388b32e3583a35d14bc498b67cc10d05859", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `num_attrs`
[INFO] [stderr]   --> src/tagger.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     num_attrs: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `crfs` (lib) generated 1 warning
[INFO] [stderr] warning: `crfs` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/crfs-faadfc154aee9d55)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests crfs
[INFO] [stdout] running 6 tests
[INFO] [stdout] test model::tests::test_invalid_model ... ok
[INFO] [stdout] test model::tests::test_model_tag ... ok
[INFO] [stdout] test context::tests::test_context_reset ... ok
[INFO] [stdout] test context::tests::test_context_new ... ok
[INFO] [stdout] test model::tests::test_model_dump ... ok
[INFO] [stdout] test model::tests::test_model_new ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 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" "46578e22a6ef7b38cea000dafebcd388b32e3583a35d14bc498b67cc10d05859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46578e22a6ef7b38cea000dafebcd388b32e3583a35d14bc498b67cc10d05859", kill_on_drop: false }`
[INFO] [stdout] 46578e22a6ef7b38cea000dafebcd388b32e3583a35d14bc498b67cc10d05859