[INFO] fetching crate ipv6_rs 0.1.0... [INFO] testing ipv6_rs-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] extracting crate ipv6_rs 0.1.0 into /workspace/builds/worker-30/source [INFO] validating manifest of crates.io crate ipv6_rs 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ipv6_rs 0.1.0 [INFO] finished tweaking crates.io crate ipv6_rs 0.1.0 [INFO] tweaked toml for crates.io crate ipv6_rs 0.1.0 written to /workspace/builds/worker-30/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e1e142a2d613cee8511086d57b4463cbd3813a35cdc58d2161f2815a1ed5d4d4 [INFO] running `Command { std: "docker" "start" "-a" "e1e142a2d613cee8511086d57b4463cbd3813a35cdc58d2161f2815a1ed5d4d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e1e142a2d613cee8511086d57b4463cbd3813a35cdc58d2161f2815a1ed5d4d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1e142a2d613cee8511086d57b4463cbd3813a35cdc58d2161f2815a1ed5d4d4", kill_on_drop: false }` [INFO] [stdout] e1e142a2d613cee8511086d57b4463cbd3813a35cdc58d2161f2815a1ed5d4d4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6fc53d4a73a2974a5265e757fe1985585714a2a44355ddf4cc9e4efcaaa54f17 [INFO] running `Command { std: "docker" "start" "-a" "6fc53d4a73a2974a5265e757fe1985585714a2a44355ddf4cc9e4efcaaa54f17", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling ipv6_rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `addr1` is never read [INFO] [stdout] --> src/helper.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | addr1 = addr1.replace(prefix, ""); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.80s [INFO] running `Command { std: "docker" "inspect" "6fc53d4a73a2974a5265e757fe1985585714a2a44355ddf4cc9e4efcaaa54f17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6fc53d4a73a2974a5265e757fe1985585714a2a44355ddf4cc9e4efcaaa54f17", kill_on_drop: false }` [INFO] [stdout] 6fc53d4a73a2974a5265e757fe1985585714a2a44355ddf4cc9e4efcaaa54f17 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 57b13c12b7e00e1edcc986fc438d67c76833c3468f0cc789a0c832e6882233f5 [INFO] running `Command { std: "docker" "start" "-a" "57b13c12b7e00e1edcc986fc438d67c76833c3468f0cc789a0c832e6882233f5", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling plotters-backend v0.3.2 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling half v1.8.2 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stdout] warning: value assigned to `addr1` is never read [INFO] [stdout] --> src/helper.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | addr1 = addr1.replace(prefix, ""); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling itertools v0.10.1 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling plotters-svg v0.3.1 [INFO] [stderr] Compiling plotters v0.3.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling criterion-plot v0.4.4 [INFO] [stderr] Compiling bstr v0.2.17 [INFO] [stderr] Compiling serde_json v1.0.71 [INFO] [stderr] Compiling serde_cbor v0.11.2 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion v0.3.5 [INFO] [stderr] Compiling ipv6_rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `addr1` is never read [INFO] [stdout] --> src/helper.rs:54:17 [INFO] [stdout] | [INFO] [stdout] 54 | addr1 = addr1.replace(prefix, ""); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 18.69s [INFO] running `Command { std: "docker" "inspect" "57b13c12b7e00e1edcc986fc438d67c76833c3468f0cc789a0c832e6882233f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57b13c12b7e00e1edcc986fc438d67c76833c3468f0cc789a0c832e6882233f5", kill_on_drop: false }` [INFO] [stdout] 57b13c12b7e00e1edcc986fc438d67c76833c3468f0cc789a0c832e6882233f5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c619996b3b12b5d6aff5646a7b3652442abd249cde776d8ed8fd3ab44e564f1d [INFO] running `Command { std: "docker" "start" "-a" "c619996b3b12b5d6aff5646a7b3652442abd249cde776d8ed8fd3ab44e564f1d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: value assigned to `addr1` is never read [INFO] [stderr] --> src/helper.rs:54:17 [INFO] [stderr] | [INFO] [stderr] 54 | addr1 = addr1.replace(prefix, ""); [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: `ipv6_rs` (lib) generated 1 warning [INFO] [stderr] warning: `ipv6_rs` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.35s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ipv6_rs-c6274fe4bf43bf85) [INFO] [stdout] [INFO] [stderr] Doc-tests ipv6_rs [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" "c619996b3b12b5d6aff5646a7b3652442abd249cde776d8ed8fd3ab44e564f1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c619996b3b12b5d6aff5646a7b3652442abd249cde776d8ed8fd3ab44e564f1d", kill_on_drop: false }` [INFO] [stdout] c619996b3b12b5d6aff5646a7b3652442abd249cde776d8ed8fd3ab44e564f1d