[INFO] fetching crate slings 0.3.46... [INFO] testing slings-0.3.46 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] extracting crate slings 0.3.46 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate slings 0.3.46 [INFO] finished tweaking crates.io crate slings 0.3.46 [INFO] tweaked toml for crates.io crate slings 0.3.46 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate slings 0.3.46 on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate slings 0.3.46 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded windows-targets v0.48.0 [INFO] [stderr] Downloaded socket2 v0.5.3 [INFO] [stderr] Downloaded futures-core v0.3.28 [INFO] [stderr] Downloaded async-task v4.4.0 [INFO] [stderr] Downloaded futures-task v0.3.28 [INFO] [stderr] Downloaded io-uring v0.6.0 [INFO] [stderr] Downloaded scoped-tls v1.0.1 [INFO] [stderr] Downloaded futures-util v0.3.28 [INFO] [stderr] Downloaded windows_x86_64_gnullvm v0.48.0 [INFO] [stderr] Downloaded windows_aarch64_gnullvm v0.48.0 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.48.0 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.48.0 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.48.0 [INFO] [stderr] Downloaded windows_i686_gnu v0.48.0 [INFO] [stderr] Downloaded futures-io v0.3.28 [INFO] [stderr] Downloaded libc v0.2.146 [INFO] [stderr] Downloaded windows_i686_msvc v0.48.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 22f9dad7092a1c0dfbf0e201f2c2846a188eedf480ff609829ede2dbc5e6a6e4 [INFO] running `Command { std: "docker" "start" "-a" "22f9dad7092a1c0dfbf0e201f2c2846a188eedf480ff609829ede2dbc5e6a6e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "22f9dad7092a1c0dfbf0e201f2c2846a188eedf480ff609829ede2dbc5e6a6e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22f9dad7092a1c0dfbf0e201f2c2846a188eedf480ff609829ede2dbc5e6a6e4", kill_on_drop: false }` [INFO] [stdout] 22f9dad7092a1c0dfbf0e201f2c2846a188eedf480ff609829ede2dbc5e6a6e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 273fbc5b6dba93e959f8ed01c1ae46e21ecca893a9c8482e3dd4e9c8c53f912c [INFO] running `Command { std: "docker" "start" "-a" "273fbc5b6dba93e959f8ed01c1ae46e21ecca893a9c8482e3dd4e9c8c53f912c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling io-uring v0.6.0 [INFO] [stderr] Compiling async-task v4.4.0 [INFO] [stderr] Compiling pin-project-lite v0.2.9 [INFO] [stderr] Compiling futures-io v0.3.28 [INFO] [stderr] Compiling scoped-tls v1.0.1 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling socket2 v0.5.3 [INFO] [stderr] Compiling slings v0.3.46 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/driver/mod.rs:192:13 [INFO] [stdout] | [INFO] [stdout] 192 | Ignored(Box), [INFO] [stdout] | ------- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 192 - Ignored(Box), [INFO] [stdout] 192 + Ignored(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.88s [INFO] running `Command { std: "docker" "inspect" "273fbc5b6dba93e959f8ed01c1ae46e21ecca893a9c8482e3dd4e9c8c53f912c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "273fbc5b6dba93e959f8ed01c1ae46e21ecca893a9c8482e3dd4e9c8c53f912c", kill_on_drop: false }` [INFO] [stdout] 273fbc5b6dba93e959f8ed01c1ae46e21ecca893a9c8482e3dd4e9c8c53f912c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1b2790311a46793ca975b19701a7edfa8d52735b20d9c09f90e9fa09ebdee81e [INFO] running `Command { std: "docker" "start" "-a" "1b2790311a46793ca975b19701a7edfa8d52735b20d9c09f90e9fa09ebdee81e", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/driver/mod.rs:192:13 [INFO] [stdout] | [INFO] [stdout] 192 | Ignored(Box), [INFO] [stdout] | ------- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 192 - Ignored(Box), [INFO] [stdout] 192 + Ignored(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling slings v0.3.46 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/driver/mod.rs:192:13 [INFO] [stdout] | [INFO] [stdout] 192 | Ignored(Box), [INFO] [stdout] | ------- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 192 - Ignored(Box), [INFO] [stdout] 192 + Ignored(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 5.31s [INFO] running `Command { std: "docker" "inspect" "1b2790311a46793ca975b19701a7edfa8d52735b20d9c09f90e9fa09ebdee81e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b2790311a46793ca975b19701a7edfa8d52735b20d9c09f90e9fa09ebdee81e", kill_on_drop: false }` [INFO] [stdout] 1b2790311a46793ca975b19701a7edfa8d52735b20d9c09f90e9fa09ebdee81e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] aaed1e14ec6263a68a443f3449efc7b9d328fc23750b421818fab4330077cc21 [INFO] running `Command { std: "docker" "start" "-a" "aaed1e14ec6263a68a443f3449efc7b9d328fc23750b421818fab4330077cc21", kill_on_drop: false }` [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/driver/mod.rs:192:13 [INFO] [stderr] | [INFO] [stderr] 192 | Ignored(Box), [INFO] [stderr] | ------- ^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 192 - Ignored(Box), [INFO] [stderr] 192 + Ignored(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `slings` (lib) generated 1 warning [INFO] [stderr] warning: `slings` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/slings-310b3b4aac1fdadc) [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 slings [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" "aaed1e14ec6263a68a443f3449efc7b9d328fc23750b421818fab4330077cc21", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aaed1e14ec6263a68a443f3449efc7b9d328fc23750b421818fab4330077cc21", kill_on_drop: false }` [INFO] [stdout] aaed1e14ec6263a68a443f3449efc7b9d328fc23750b421818fab4330077cc21