[INFO] fetching crate rlfsc 0.2.2... [INFO] testing rlfsc-0.2.2 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate rlfsc 0.2.2 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate rlfsc 0.2.2 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 rlfsc 0.2.2 [INFO] finished tweaking crates.io crate rlfsc 0.2.2 [INFO] tweaked toml for crates.io crate rlfsc 0.2.2 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate crates.io crate rlfsc 0.2.2 already has a lockfile, it will not be regenerated [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 rlimit v0.4.0 [INFO] [stderr] Downloaded az v1.1.0 [INFO] [stderr] Downloaded rug v1.11.0 [INFO] [stderr] Downloaded gmp-mpfr-sys v1.4.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] f503cb68f4d396f83a49be127ab3f8517ec2c2c3cd38c327b7f47599ccd70d7e [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" "f503cb68f4d396f83a49be127ab3f8517ec2c2c3cd38c327b7f47599ccd70d7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f503cb68f4d396f83a49be127ab3f8517ec2c2c3cd38c327b7f47599ccd70d7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f503cb68f4d396f83a49be127ab3f8517ec2c2c3cd38c327b7f47599ccd70d7e", kill_on_drop: false }` [INFO] [stdout] f503cb68f4d396f83a49be127ab3f8517ec2c2c3cd38c327b7f47599ccd70d7e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] aa3edec97f2f3546e263bc386f4bbcad05641c958a70ae1ccc2c9d782aa30f35 [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" "aa3edec97f2f3546e263bc386f4bbcad05641c958a70ae1ccc2c9d782aa30f35", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling gmp-mpfr-sys v1.4.3 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling beef v0.4.4 [INFO] [stderr] Compiling utf8-ranges v1.0.4 [INFO] [stderr] Compiling rug v1.11.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling regex-syntax v0.6.22 [INFO] [stderr] Compiling az v1.1.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling rlimit v0.4.0 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling logos-derive v0.11.5 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling thiserror v1.0.24 [INFO] [stderr] Compiling structopt v0.3.21 [INFO] [stderr] Compiling logos v0.11.4 [INFO] [stderr] Compiling rlfsc v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `n_children` [INFO] [stdout] --> src/token.rs:279:5 [INFO] [stdout] | [INFO] [stdout] 279 | n_children: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `in_var_list` [INFO] [stdout] --> src/token.rs:280:5 [INFO] [stdout] | [INFO] [stdout] 280 | in_var_list: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `head` [INFO] [stdout] --> src/token.rs:284:5 [INFO] [stdout] | [INFO] [stdout] 284 | head: Option>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `closing` [INFO] [stdout] --> src/token.rs:286:5 [INFO] [stdout] | [INFO] [stdout] 286 | closing: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5m 41s [INFO] running `Command { std: "docker" "inspect" "aa3edec97f2f3546e263bc386f4bbcad05641c958a70ae1ccc2c9d782aa30f35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa3edec97f2f3546e263bc386f4bbcad05641c958a70ae1ccc2c9d782aa30f35", kill_on_drop: false }` [INFO] [stdout] aa3edec97f2f3546e263bc386f4bbcad05641c958a70ae1ccc2c9d782aa30f35 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] dfac798dc9c0de04e4b702acd60d07f68a3b3b3e4a6a45e923026a6a1382bc01 [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" "dfac798dc9c0de04e4b702acd60d07f68a3b3b3e4a6a45e923026a6a1382bc01", kill_on_drop: false }` [INFO] [stderr] Compiling rlfsc v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `n_children` [INFO] [stdout] --> src/token.rs:279:5 [INFO] [stdout] | [INFO] [stdout] 279 | n_children: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `in_var_list` [INFO] [stdout] --> src/token.rs:280:5 [INFO] [stdout] | [INFO] [stdout] 280 | in_var_list: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `head` [INFO] [stdout] --> src/token.rs:284:5 [INFO] [stdout] | [INFO] [stdout] 284 | head: Option>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `closing` [INFO] [stdout] --> src/token.rs:286:5 [INFO] [stdout] | [INFO] [stdout] 286 | closing: Vec>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.78s [INFO] running `Command { std: "docker" "inspect" "dfac798dc9c0de04e4b702acd60d07f68a3b3b3e4a6a45e923026a6a1382bc01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dfac798dc9c0de04e4b702acd60d07f68a3b3b3e4a6a45e923026a6a1382bc01", kill_on_drop: false }` [INFO] [stdout] dfac798dc9c0de04e4b702acd60d07f68a3b3b3e4a6a45e923026a6a1382bc01 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] b8686114ae7c2466a8671c0c7be6910ce2eb19825a42273bb21283621e1453cb [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" "b8686114ae7c2466a8671c0c7be6910ce2eb19825a42273bb21283621e1453cb", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: field is never read: `n_children` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/token.rs:279:5 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 279 | n_children: usize, [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `in_var_list` [INFO] [stderr] --> src/token.rs:280:5 [INFO] [stderr] | [INFO] [stderr] 280 | in_var_list: bool, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `head` [INFO] [stderr] --> src/token.rs:284:5 [INFO] [stderr] | [INFO] [stderr] 284 | head: Option>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `closing` [INFO] [stderr] --> src/token.rs:286:5 [INFO] [stderr] | [INFO] [stderr] 286 | closing: Vec>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `rlfsc` (bin "rlfsc" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rlfsc-91cc080f1372e0c1) [INFO] running `Command { std: "docker" "inspect" "b8686114ae7c2466a8671c0c7be6910ce2eb19825a42273bb21283621e1453cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b8686114ae7c2466a8671c0c7be6910ce2eb19825a42273bb21283621e1453cb", kill_on_drop: false }` [INFO] [stdout] b8686114ae7c2466a8671c0c7be6910ce2eb19825a42273bb21283621e1453cb