[INFO] fetching crate scavenger 1.7.6... [INFO] checking scavenger-1.7.6 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920 [INFO] extracting crate scavenger 1.7.6 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate scavenger 1.7.6 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate scavenger 1.7.6 [INFO] finished tweaking crates.io crate scavenger 1.7.6 [INFO] tweaked toml for crates.io crate scavenger 1.7.6 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded aligned_alloc v0.1.3 [INFO] [stderr] Downloaded page_size v0.4.2 [INFO] [stderr] Downloaded core_affinity v0.5.10 [INFO] [stderr] Downloaded cl-sys v0.4.2 [INFO] [stderr] Downloaded ocl-core v0.11.2 [INFO] [stderr] Downloaded stopwatch v0.0.7 [INFO] [stderr] Downloaded ocl-core-vector v0.1.0 [INFO] [stderr] Downloaded pbr v1.0.4 [INFO] [stderr] Downloaded tokio-rustls v0.10.3 [INFO] [stderr] Downloaded ansi_term v0.10.2 [INFO] [stderr] Downloaded hyper-rustls v0.17.1 [INFO] [stderr] Downloaded clap v2.30.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ab677561a2655eee6138c3962321091b0c563d25f55d981857d2cd979bebbfe0 [INFO] running `Command { std: "docker" "start" "-a" "ab677561a2655eee6138c3962321091b0c563d25f55d981857d2cd979bebbfe0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ab677561a2655eee6138c3962321091b0c563d25f55d981857d2cd979bebbfe0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab677561a2655eee6138c3962321091b0c563d25f55d981857d2cd979bebbfe0", kill_on_drop: false }` [INFO] [stdout] ab677561a2655eee6138c3962321091b0c563d25f55d981857d2cd979bebbfe0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3491bd5ebe2ce3a595d18e6afda0156333a88f9bcac07927521e32f405946d31 [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" "3491bd5ebe2ce3a595d18e6afda0156333a88f9bcac07927521e32f405946d31", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking adler 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[INFO] [stderr] Checking aligned_alloc v0.1.3 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling backtrace v0.3.59 [INFO] [stderr] Compiling scavenger v1.7.6 (/opt/rustwide/workdir) [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking crossbeam-epoch v0.9.4 [INFO] [stderr] Checking flate2 v1.0.20 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking core_affinity v0.5.10 [INFO] [stderr] Checking clap v2.30.0 [INFO] [stderr] Checking addr2line v0.15.1 [INFO] [stderr] Checking ordered-float v1.1.1 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [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 pbr v1.0.4 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking cookie v0.12.0 [INFO] [stderr] Checking publicsuffix v1.5.6 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking stopwatch v0.0.7 [INFO] [stderr] Checking webpki v0.21.4 [INFO] [stderr] Checking sct v0.6.1 [INFO] [stderr] Checking ct-logs v0.6.0 [INFO] [stderr] Checking webpki-roots v0.17.0 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking serde v1.0.125 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Checking serde_yaml v0.8.17 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [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 tokio-fs v0.1.7 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking cookie_store v0.7.0 [INFO] [stderr] Checking log4rs v0.8.3 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-rustls v0.10.3 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking hyper-rustls v0.17.1 [INFO] [stderr] Checking reqwest v0.9.24 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/cpu_worker.rs:67:34 [INFO] [stdout] | [INFO] [stdout] 67 | tx_empty_buffers: Sender>, [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Buffer + Send` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/cpu_worker.rs:86:34 [INFO] [stdout] | [INFO] [stdout] 86 | tx_empty_buffers: Sender>, [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Buffer + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/miner.rs:305:51 [INFO] [stdout] | [INFO] [stdout] 305 | .send(Box::new(cpu_buffer) as Box) [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Buffer + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/plot.rs:97:90 [INFO] [stdout] | [INFO] [stdout] 97 | pub fn new(path: &PathBuf, mut use_direct_io: bool, dummy: bool) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/reader.rs:26:21 [INFO] [stdout] | [INFO] [stdout] 26 | pub buffer: Box, [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Buffer + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/reader.rs:35:36 [INFO] [stdout] | [INFO] [stdout] 35 | rx_empty_buffers: Receiver>, [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Buffer + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/reader.rs:36:34 [INFO] [stdout] | [INFO] [stdout] 36 | tx_empty_buffers: Sender>, [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Buffer + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/reader.rs:49:40 [INFO] [stdout] | [INFO] [stdout] 49 | rx_empty_buffers: Receiver>, [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Buffer + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/reader.rs:50:38 [INFO] [stdout] | [INFO] [stdout] 50 | tx_empty_buffers: Sender>, [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Buffer + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/cpu_worker.rs:67:34 [INFO] [stdout] | [INFO] [stdout] 67 | tx_empty_buffers: Sender>, [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Buffer + Send` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/cpu_worker.rs:86:34 [INFO] [stdout] | [INFO] [stdout] 86 | tx_empty_buffers: Sender>, [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Buffer + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/miner.rs:305:51 [INFO] [stdout] | [INFO] [stdout] 305 | .send(Box::new(cpu_buffer) as Box) [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Buffer + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/plot.rs:97:90 [INFO] [stdout] | [INFO] [stdout] 97 | pub fn new(path: &PathBuf, mut use_direct_io: bool, dummy: bool) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/reader.rs:26:21 [INFO] [stdout] | [INFO] [stdout] 26 | pub buffer: Box, [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Buffer + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/reader.rs:35:36 [INFO] [stdout] | [INFO] [stdout] 35 | rx_empty_buffers: Receiver>, [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Buffer + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/reader.rs:36:34 [INFO] [stdout] | [INFO] [stdout] 36 | tx_empty_buffers: Sender>, [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Buffer + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/reader.rs:49:40 [INFO] [stdout] | [INFO] [stdout] 49 | rx_empty_buffers: Receiver>, [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Buffer + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/reader.rs:50:38 [INFO] [stdout] | [INFO] [stdout] 50 | tx_empty_buffers: Sender>, [INFO] [stdout] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Buffer + Send` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `base_target` [INFO] [stdout] --> src/miner.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 53 | base_target: 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:53:5 [INFO] [stdout] | [INFO] [stdout] 53 | base_target: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 14s [INFO] running `Command { std: "docker" "inspect" "3491bd5ebe2ce3a595d18e6afda0156333a88f9bcac07927521e32f405946d31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3491bd5ebe2ce3a595d18e6afda0156333a88f9bcac07927521e32f405946d31", kill_on_drop: false }` [INFO] [stdout] 3491bd5ebe2ce3a595d18e6afda0156333a88f9bcac07927521e32f405946d31