[INFO] fetching crate reg-index 0.4.0...
[INFO] testing reg-index-0.4.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate reg-index 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate reg-index 0.4.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reg-index 0.4.0
[INFO] finished tweaking crates.io crate reg-index 0.4.0
[INFO] tweaked toml for crates.io crate reg-index 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate reg-index 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded url v2.2.1
[INFO] [stderr]   Downloaded tar v0.4.33
[INFO] [stderr]   Downloaded object v0.23.0
[INFO] [stderr]   Downloaded fs2 v0.4.3
[INFO] [stderr]   Downloaded serde_derive v1.0.125
[INFO] [stderr]   Downloaded redox_syscall v0.2.5
[INFO] [stderr]   Downloaded syn v1.0.68
[INFO] [stderr]   Downloaded serde v1.0.125
[INFO] [stderr]   Downloaded unicode-normalization v0.1.17
[INFO] [stderr]   Downloaded vcpkg v0.2.11
[INFO] [stderr]   Downloaded cc v1.0.67
[INFO] [stderr]   Downloaded semver v0.10.0
[INFO] [stderr]   Downloaded filetime v0.2.14
[INFO] [stderr]   Downloaded rustc-demangle v0.1.18
[INFO] [stderr]   Downloaded cargo_metadata v0.11.4
[INFO] [stderr]   Downloaded git2 v0.13.17
[INFO] [stderr]   Downloaded addr2line v0.14.1
[INFO] [stderr]   Downloaded libssh2-sys v0.2.21
[INFO] [stderr]   Downloaded idna v0.2.2
[INFO] [stderr]   Downloaded backtrace v0.3.56
[INFO] [stderr]   Downloaded sha2 v0.9.3
[INFO] [stderr]   Downloaded gimli v0.23.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.61
[INFO] [stderr]   Downloaded libz-sys v1.1.2
[INFO] [stderr]   Downloaded libgit2-sys v0.12.18+1.1.0
[INFO] [stderr]   Downloaded libc v0.2.92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5986a1c629a4f8a3603158da333222e9fb741aa08550450d88c1a75c4f31ed9
[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" "b5986a1c629a4f8a3603158da333222e9fb741aa08550450d88c1a75c4f31ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5986a1c629a4f8a3603158da333222e9fb741aa08550450d88c1a75c4f31ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5986a1c629a4f8a3603158da333222e9fb741aa08550450d88c1a75c4f31ed9", kill_on_drop: false }`
[INFO] [stdout] b5986a1c629a4f8a3603158da333222e9fb741aa08550450d88c1a75c4f31ed9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21e3c1e9fcd1ed37f78cf62349bc8224249bef05982ea653f6a33e44ef180394
[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" "21e3c1e9fcd1ed37f78cf62349bc8224249bef05982ea653f6a33e44ef180394", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling tar v0.4.33
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling idna v0.2.2
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling libgit2-sys v0.12.18+1.1.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling semver v0.10.0
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling git2 v0.13.17
[INFO] [stderr]    Compiling cargo_metadata v0.11.4
[INFO] [stderr]    Compiling reg-index v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.35s
[INFO] running `Command { std: "docker" "inspect" "21e3c1e9fcd1ed37f78cf62349bc8224249bef05982ea653f6a33e44ef180394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21e3c1e9fcd1ed37f78cf62349bc8224249bef05982ea653f6a33e44ef180394", kill_on_drop: false }`
[INFO] [stdout] 21e3c1e9fcd1ed37f78cf62349bc8224249bef05982ea653f6a33e44ef180394
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d98bfc2c29ba287baf5ed85c157fdc2f201f9b1d423af163c5e09e4713abe869
[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" "d98bfc2c29ba287baf5ed85c157fdc2f201f9b1d423af163c5e09e4713abe869", kill_on_drop: false }`
[INFO] [stderr]    Compiling reg-index v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "d98bfc2c29ba287baf5ed85c157fdc2f201f9b1d423af163c5e09e4713abe869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d98bfc2c29ba287baf5ed85c157fdc2f201f9b1d423af163c5e09e4713abe869", kill_on_drop: false }`
[INFO] [stdout] d98bfc2c29ba287baf5ed85c157fdc2f201f9b1d423af163c5e09e4713abe869
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a858cd14bdf327378bd4e593c680c96334f7f521f17305c1288a1c218877aeba
[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" "a858cd14bdf327378bd4e593c680c96334f7f521f17305c1288a1c218877aeba", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/reg_index-52d0a0dbf08e96e7)
[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]      Running unittests (/opt/rustwide/target/debug/deps/scratch-c8811c4bf7bfd076)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests reg-index
[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 1 test
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a858cd14bdf327378bd4e593c680c96334f7f521f17305c1288a1c218877aeba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a858cd14bdf327378bd4e593c680c96334f7f521f17305c1288a1c218877aeba", kill_on_drop: false }`
[INFO] [stdout] a858cd14bdf327378bd4e593c680c96334f7f521f17305c1288a1c218877aeba