[INFO] fetching crate scavenger 1.9.0... [INFO] checking scavenger-1.9.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] extracting crate scavenger 1.9.0 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate scavenger 1.9.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate scavenger 1.9.0 [INFO] finished tweaking crates.io crate scavenger 1.9.0 [INFO] tweaked toml for crates.io crate scavenger 1.9.0 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate crates.io crate scavenger 1.9.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rustc-demangle v0.1.19 [INFO] [stderr] Downloaded num-bigint v0.1.44 [INFO] [stderr] Downloaded ct-logs v0.6.0 [INFO] [stderr] Downloaded rustls v0.16.0 [INFO] [stderr] Downloaded webpki-roots v0.17.0 [INFO] [stderr] Downloaded semver v0.1.20 [INFO] [stderr] Downloaded core_affinity v0.5.10 [INFO] [stderr] Downloaded textwrap v0.9.0 [INFO] [stderr] Downloaded aligned_alloc v0.1.3 [INFO] [stderr] Downloaded clap v2.30.0 [INFO] [stderr] Downloaded hex v0.3.2 [INFO] [stderr] Downloaded enum_primitive v0.1.1 [INFO] [stderr] Downloaded stopwatch v0.0.7 [INFO] [stderr] Downloaded crossbeam-channel v0.3.9 [INFO] [stderr] Downloaded hyper v0.12.36 [INFO] [stderr] Downloaded hyper-rustls v0.17.1 [INFO] [stderr] Downloaded ocl-core-vector v0.1.0 [INFO] [stderr] Downloaded strsim v0.7.0 [INFO] [stderr] Downloaded num-rational v0.1.42 [INFO] [stderr] Downloaded libc v0.2.96 [INFO] [stderr] Downloaded tokio-rustls v0.10.3 [INFO] [stderr] Downloaded num-complex v0.1.43 [INFO] [stderr] Downloaded url_serde v0.2.0 [INFO] [stderr] Downloaded syn v1.0.73 [INFO] [stderr] Downloaded rustc_version v0.1.7 [INFO] [stderr] Downloaded ocl-core v0.11.2 [INFO] [stderr] Downloaded ansi_term v0.10.2 [INFO] [stderr] Downloaded cl-sys v0.4.2 [INFO] [stderr] Downloaded winutil v0.1.1 [INFO] [stderr] Downloaded hostname v0.1.5 [INFO] [stderr] Downloaded pbr v1.0.4 [INFO] [stderr] Downloaded page_size v0.4.2 [INFO] [stderr] Downloaded object v0.25.2 [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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b5dd466f7a416b98a0cac2ee5c64a174f2afd839d351a15afdb2a36b539327b9 [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" "b5dd466f7a416b98a0cac2ee5c64a174f2afd839d351a15afdb2a36b539327b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b5dd466f7a416b98a0cac2ee5c64a174f2afd839d351a15afdb2a36b539327b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5dd466f7a416b98a0cac2ee5c64a174f2afd839d351a15afdb2a36b539327b9", kill_on_drop: false }` [INFO] [stdout] b5dd466f7a416b98a0cac2ee5c64a174f2afd839d351a15afdb2a36b539327b9 [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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cbf98f252ce9080d2d55dbd4f22f8ea899846ccba6a4dfd72cb5e5663f60df99 [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" "cbf98f252ce9080d2d55dbd4f22f8ea899846ccba6a4dfd72cb5e5663f60df99", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.96 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking ansi_term v0.10.2 [INFO] [stderr] Checking log-mdc v0.1.0 [INFO] [stderr] Checking arc-swap v0.3.11 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking tinyvec v1.2.0 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking try_from v0.3.2 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling scavenger v1.9.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking crossbeam-utils v0.8.5 [INFO] [stderr] Compiling hyper v0.12.36 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking object v0.25.2 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Checking ordered-float v1.1.1 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking crossbeam-epoch v0.9.5 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking parking_lot_core v0.6.2 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking flate2 v1.0.20 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Checking page_size v0.4.2 [INFO] [stderr] Checking aligned_alloc v0.1.3 [INFO] [stderr] Checking hostname v0.1.5 [INFO] [stderr] Checking filetime v0.2.14 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking clap v2.30.0 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stderr] Checking core_affinity v0.5.10 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking pbr v1.0.4 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking rayon v1.5.1 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking webpki v0.21.4 [INFO] [stderr] Checking sct v0.6.1 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking ct-logs v0.6.0 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking webpki-roots v0.17.0 [INFO] [stderr] Checking stopwatch v0.0.7 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking publicsuffix v1.5.6 [INFO] [stderr] Checking backtrace v0.3.60 [INFO] [stderr] Checking cookie v0.12.0 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking serde v1.0.126 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking serde_yaml v0.8.17 [INFO] [stderr] Checking serde-value v0.5.3 [INFO] [stderr] Checking url_serde v0.2.0 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking rustls v0.16.0 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking cookie_store v0.7.0 [INFO] [stderr] Checking log4rs v0.8.3 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-rustls v0.10.3 [INFO] [stderr] Checking hyper-rustls v0.17.1 [INFO] [stderr] Checking reqwest v0.9.24 [INFO] [stdout] warning: field is never read: `height` [INFO] [stdout] --> src/miner.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | height: u64, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `base_target` [INFO] [stdout] --> src/miner.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | base_target: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `height` [INFO] [stdout] --> src/miner.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | height: u64, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `base_target` [INFO] [stdout] --> src/miner.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | base_target: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 48s [INFO] running `Command { std: "docker" "inspect" "cbf98f252ce9080d2d55dbd4f22f8ea899846ccba6a4dfd72cb5e5663f60df99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cbf98f252ce9080d2d55dbd4f22f8ea899846ccba6a4dfd72cb5e5663f60df99", kill_on_drop: false }` [INFO] [stdout] cbf98f252ce9080d2d55dbd4f22f8ea899846ccba6a4dfd72cb5e5663f60df99