[INFO] fetching crate fractal-utils 0.3.4...
[INFO] testing fractal-utils-0.3.4 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate fractal-utils 0.3.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate fractal-utils 0.3.4 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fractal-utils 0.3.4
[INFO] finished tweaking crates.io crate fractal-utils 0.3.4
[INFO] tweaked toml for crates.io crate fractal-utils 0.3.4 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4450a4d2a41d52c606b5f5fc178551e0481973e6964d89ed929eba52f4ad2736
[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" "4450a4d2a41d52c606b5f5fc178551e0481973e6964d89ed929eba52f4ad2736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4450a4d2a41d52c606b5f5fc178551e0481973e6964d89ed929eba52f4ad2736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4450a4d2a41d52c606b5f5fc178551e0481973e6964d89ed929eba52f4ad2736", kill_on_drop: false }`
[INFO] [stdout] 4450a4d2a41d52c606b5f5fc178551e0481973e6964d89ed929eba52f4ad2736
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bec21d2fedf1e786913319f542f4759721412a22b2233addae0fc453d81cb35f
[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" "bec21d2fedf1e786913319f542f4759721412a22b2233addae0fc453d81cb35f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-complex v0.3.0
[INFO] [stderr]    Compiling num v0.3.0
[INFO] [stderr]    Compiling rust-base58 v0.0.4
[INFO] [stderr]    Compiling fractal-utils v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: lint `plugin_as_library` has been removed: `plugins have been deprecated and retired`
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     plugin_as_library, private_no_mangle_fns, private_no_mangle_statics, stable_features,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![forbid(missing_docs, warnings)]
[INFO] [stdout]    |                         ^^^^^^^^
[INFO] [stdout]    = note: `#[forbid(renamed_and_removed_lints)]` implied by `#[forbid(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lint `private_no_mangle_fns` has been removed: `no longer a warning, `#[no_mangle]` functions always exported`
[INFO] [stdout]   --> src/lib.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |     plugin_as_library, private_no_mangle_fns, private_no_mangle_statics, stable_features,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lint `private_no_mangle_statics` has been removed: `no longer a warning, `#[no_mangle]` statics always exported`
[INFO] [stdout]   --> src/lib.rs:15:47
[INFO] [stdout]    |
[INFO] [stdout] 15 |     plugin_as_library, private_no_mangle_fns, private_no_mangle_statics, stable_features,
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/amount.rs:236:32
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:13:25
[INFO] [stdout]     |
[INFO] [stdout] 13  | #![forbid(missing_docs, warnings)]
[INFO] [stdout]     |                         ^^^^^^^^
[INFO] [stdout]     = note: `#[forbid(bare_trait_objects)]` implied by `#[forbid(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/wallet_address.rs:211:32
[INFO] [stdout]     |
[INFO] [stdout] 211 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fractal-utils`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bec21d2fedf1e786913319f542f4759721412a22b2233addae0fc453d81cb35f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bec21d2fedf1e786913319f542f4759721412a22b2233addae0fc453d81cb35f", kill_on_drop: false }`
[INFO] [stdout] bec21d2fedf1e786913319f542f4759721412a22b2233addae0fc453d81cb35f