[INFO] fetching crate grin-miner 0.4.2...
[INFO] checking grin-miner-0.4.2 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate grin-miner 0.4.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate grin-miner 0.4.2 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grin-miner 0.4.2
[INFO] finished tweaking crates.io crate grin-miner 0.4.2
[INFO] tweaked toml for crates.io crate grin-miner 0.4.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5e49575c378bc79cc7d73e63be4ea96536b5aeb72ad04f45c0c768df29c83f6
[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" "b5e49575c378bc79cc7d73e63be4ea96536b5aeb72ad04f45c0c768df29c83f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5e49575c378bc79cc7d73e63be4ea96536b5aeb72ad04f45c0c768df29c83f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e49575c378bc79cc7d73e63be4ea96536b5aeb72ad04f45c0c768df29c83f6", kill_on_drop: false }`
[INFO] [stdout] b5e49575c378bc79cc7d73e63be4ea96536b5aeb72ad04f45c0c768df29c83f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01bb555c21297476583ac2792511d92c62ac961aa15c99c685f20fa43371ed3f
[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" "01bb555c21297476583ac2792511d92c62ac961aa15c99c685f20fa43371ed3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking slog v2.1.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking array-macro v1.0.5
[INFO] [stderr]     Checking reexport-proc-macro v1.0.6
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]    Compiling libgit2-sys v0.6.19
[INFO] [stderr]    Compiling cuckoo_miner v0.4.2
[INFO] [stderr]     Checking crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]    Compiling enumset_derive v0.3.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking backtrace v0.3.57
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking slog-async v2.6.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking enumset v0.3.19
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking slog-term v2.8.0
[INFO] [stderr]    Compiling enum-map-derive v0.4.6
[INFO] [stderr]    Compiling git2 v0.6.11
[INFO] [stderr]     Checking enum-map v0.4.1
[INFO] [stderr]     Checking cursive v0.9.2
[INFO] [stderr]    Compiling built v0.2.3
[INFO] [stderr]    Compiling grin-miner v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking grin_miner_plugin v0.4.2
[INFO] [stderr]     Checking grin_miner_util v0.4.2
[INFO] [stderr]     Checking grin_miner_config v0.4.2
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/tui/table.rs:153:21
[INFO] [stdout]     |
[INFO] [stdout] 153 |     on_sort: Option<Rc<Fn(&mut Cursive, H, Ordering)>>,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Cursive, H, Ordering)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/tui/table.rs:156:23
[INFO] [stdout]     |
[INFO] [stdout] 156 |     on_submit: Option<Rc<Fn(&mut Cursive, usize, usize)>>,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Cursive, usize, usize)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/tui/table.rs:157:23
[INFO] [stdout]     |
[INFO] [stdout] 157 |     on_select: Option<Rc<Fn(&mut Cursive, usize, usize)>>,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Cursive, usize, usize)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/tui/menu.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn create() -> Box<View> {
[INFO] [stdout]    |                        ^^^^ help: use `dyn`: `dyn View`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/tui/mining.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn create() -> Box<View> {
[INFO] [stdout]     |                        ^^^^ help: use `dyn`: `dyn View`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/tui/version.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn create() -> Box<View> {
[INFO] [stdout]    |                        ^^^^ help: use `dyn`: `dyn View`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/tui/types.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn create() -> Box<View>;
[INFO] [stdout]    |                        ^^^^ help: use `dyn`: `dyn View`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/tui/table.rs:153:21
[INFO] [stdout]     |
[INFO] [stdout] 153 |     on_sort: Option<Rc<Fn(&mut Cursive, H, Ordering)>>,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Cursive, H, Ordering)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/tui/table.rs:156:23
[INFO] [stdout]     |
[INFO] [stdout] 156 |     on_submit: Option<Rc<Fn(&mut Cursive, usize, usize)>>,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Cursive, usize, usize)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/tui/table.rs:157:23
[INFO] [stdout]     |
[INFO] [stdout] 157 |     on_select: Option<Rc<Fn(&mut Cursive, usize, usize)>>,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Cursive, usize, usize)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/tui/menu.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn create() -> Box<View> {
[INFO] [stdout]    |                        ^^^^ help: use `dyn`: `dyn View`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/tui/mining.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn create() -> Box<View> {
[INFO] [stdout]     |                        ^^^^ help: use `dyn`: `dyn View`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/tui/version.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn create() -> Box<View> {
[INFO] [stdout]    |                        ^^^^ help: use `dyn`: `dyn View`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/tui/types.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn create() -> Box<View>;
[INFO] [stdout]    |                        ^^^^ help: use `dyn`: `dyn View`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 07s
[INFO] running `Command { std: "docker" "inspect" "01bb555c21297476583ac2792511d92c62ac961aa15c99c685f20fa43371ed3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01bb555c21297476583ac2792511d92c62ac961aa15c99c685f20fa43371ed3f", kill_on_drop: false }`
[INFO] [stdout] 01bb555c21297476583ac2792511d92c62ac961aa15c99c685f20fa43371ed3f