[INFO] fetching crate ketos 0.12.0... [INFO] testing ketos-0.12.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479 [INFO] extracting crate ketos 0.12.0 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate ketos 0.12.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5bcacec26f92a5341dbabd4d408b3dc8f1bde9d0b302fe2131461b1739d99ca3 [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" "5bcacec26f92a5341dbabd4d408b3dc8f1bde9d0b302fe2131461b1739d99ca3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5bcacec26f92a5341dbabd4d408b3dc8f1bde9d0b302fe2131461b1739d99ca3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bcacec26f92a5341dbabd4d408b3dc8f1bde9d0b302fe2131461b1739d99ca3", kill_on_drop: false }` [INFO] [stdout] 5bcacec26f92a5341dbabd4d408b3dc8f1bde9d0b302fe2131461b1739d99ca3 [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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 64bf2943e283dbf521db9ec7be67009be6f93244eda0406c8fb182853201bb30 [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" "64bf2943e283dbf521db9ec7be67009be6f93244eda0406c8fb182853201bb30", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling smallvec v1.1.0 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling byteorder v1.3.2 [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] Compiling unicode-normalization v0.1.11 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling smallvec v0.6.13 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling smallstr v0.1.0 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling dirs-sys v0.3.4 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling 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] Compiling num v0.2.0 [INFO] [stderr] Compiling gumdrop_derive v0.7.0 [INFO] [stderr] Compiling gumdrop v0.7.0 [INFO] [stderr] Compiling mortal v0.2.1 [INFO] [stderr] Compiling linefeed v0.6.0 [INFO] [stderr] Compiling ketos v0.12.0 (/opt/rustwide/workdir) [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 is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 53.37s [INFO] running `Command { std: "docker" "inspect" "64bf2943e283dbf521db9ec7be67009be6f93244eda0406c8fb182853201bb30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64bf2943e283dbf521db9ec7be67009be6f93244eda0406c8fb182853201bb30", kill_on_drop: false }` [INFO] [stdout] 64bf2943e283dbf521db9ec7be67009be6f93244eda0406c8fb182853201bb30 [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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e84812fd7713422f4fb1724b818b8d24b81b83b28431514a907ddb9422c9496d [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" "e84812fd7713422f4fb1724b818b8d24b81b83b28431514a907ddb9422c9496d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling assert_matches v1.3.0 [INFO] [stderr] Compiling ketos_derive v0.12.0 [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 is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling 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 is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [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 is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [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 is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [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 is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ketos`; 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name ketos --edition=2018 src/ketos/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' -C metadata=2e8cf5c8466caba3 -C extra-filename=-2e8cf5c8466caba3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern assert_matches=/opt/rustwide/target/debug/deps/libassert_matches-e7c29027b078f0dc.rlib --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-16d863000652add8.rlib --extern dirs=/opt/rustwide/target/debug/deps/libdirs-97f349e5d0d1357f.rlib --extern gumdrop=/opt/rustwide/target/debug/deps/libgumdrop-d72f533f6ce537ab.rlib --extern ketos_derive=/opt/rustwide/target/debug/deps/libketos_derive-269e45a570b8d442.so --extern linefeed=/opt/rustwide/target/debug/deps/liblinefeed-5bf591f0b8f147b5.rlib --extern num=/opt/rustwide/target/debug/deps/libnum-6540b67f1bfc1c4a.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-291fdac3f6d06040.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "e84812fd7713422f4fb1724b818b8d24b81b83b28431514a907ddb9422c9496d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e84812fd7713422f4fb1724b818b8d24b81b83b28431514a907ddb9422c9496d", kill_on_drop: false }` [INFO] [stdout] e84812fd7713422f4fb1724b818b8d24b81b83b28431514a907ddb9422c9496d