[INFO] fetching crate ketos 0.12.0... [INFO] checking ketos-0.12.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920 [INFO] extracting crate ketos 0.12.0 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate ketos 0.12.0 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ketos 0.12.0 [INFO] finished tweaking crates.io crate ketos 0.12.0 [INFO] tweaked toml for crates.io crate ketos 0.12.0 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate crates.io crate ketos 0.12.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] fa790b0594c63cf0696ffeafccecff1ceb5205721c4dfe566665f938ff46ef1e [INFO] running `Command { std: "docker" "start" "-a" "fa790b0594c63cf0696ffeafccecff1ceb5205721c4dfe566665f938ff46ef1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fa790b0594c63cf0696ffeafccecff1ceb5205721c4dfe566665f938ff46ef1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa790b0594c63cf0696ffeafccecff1ceb5205721c4dfe566665f938ff46ef1e", kill_on_drop: false }` [INFO] [stdout] fa790b0594c63cf0696ffeafccecff1ceb5205721c4dfe566665f938ff46ef1e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0b4477e28464d5ec6e6230c7856afbe8de52b1c2ae9f616bbc73e1b687e37d59 [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" "0b4477e28464d5ec6e6230c7856afbe8de52b1c2ae9f616bbc73e1b687e37d59", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Checking siphasher v0.2.3 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking smallvec v1.1.0 [INFO] [stderr] Checking assert_matches v1.3.0 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking unicode-normalization v0.1.11 [INFO] [stderr] Checking phf_shared v0.7.24 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Checking smallstr v0.1.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking nom v4.2.3 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling terminfo v0.6.1 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Compiling gumdrop_derive v0.7.0 [INFO] [stderr] Compiling ketos_derive v0.12.0 [INFO] [stderr] Checking gumdrop v0.7.0 [INFO] [stderr] Checking mortal v0.2.1 [INFO] [stderr] Checking linefeed v0.6.0 [INFO] [stderr] Checking ketos v0.12.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ketos/any.rs:102:17 [INFO] [stdout] | [INFO] [stdout] 102 | let b = SomeTrait::downcast::(a).unwrap_err(); [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `` [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/ketos/any.rs:103:17 [INFO] [stdout] | [INFO] [stdout] 103 | let c = SomeTrait::downcast::(b).unwrap(); [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `` [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/ketos/any.rs:112:17 [INFO] [stdout] | [INFO] [stdout] 112 | let b = SomeTrait::downcast_rc::(a).unwrap_err(); [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `` [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/ketos/any.rs:113:17 [INFO] [stdout] | [INFO] [stdout] 113 | let c = SomeTrait::downcast_rc::(b).unwrap(); [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `` [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/ketos/structs.rs:116:17 [INFO] [stdout] | [INFO] [stdout] 116 | ForeignValue::downcast_rc::(fv) [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `` [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/ketos/structs.rs:116:17 [INFO] [stdout] | [INFO] [stdout] 116 | ForeignValue::downcast_rc::(fv) [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `` [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: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/ketos/compile.rs:333:9 [INFO] [stdout] | [INFO] [stdout] 333 | replace(&mut self.blocks, new_blocks); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/ketos/compile.rs:333:9 [INFO] [stdout] | [INFO] [stdout] 333 | replace(&mut self.blocks, new_blocks); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 47.29s [INFO] running `Command { std: "docker" "inspect" "0b4477e28464d5ec6e6230c7856afbe8de52b1c2ae9f616bbc73e1b687e37d59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b4477e28464d5ec6e6230c7856afbe8de52b1c2ae9f616bbc73e1b687e37d59", kill_on_drop: false }` [INFO] [stdout] 0b4477e28464d5ec6e6230c7856afbe8de52b1c2ae9f616bbc73e1b687e37d59