[INFO] fetching crate radix_trie 0.2.1... [INFO] checking radix_trie-0.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate radix_trie 0.2.1 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate radix_trie 0.2.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate radix_trie 0.2.1 [INFO] finished tweaking crates.io crate radix_trie 0.2.1 [INFO] tweaked toml for crates.io crate radix_trie 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate radix_trie 0.2.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded csv v1.1.3 [INFO] [stderr] Downloaded const_fn v0.4.2 [INFO] [stderr] Downloaded serde_test v1.0.117 [INFO] [stderr] Downloaded syn v1.0.46 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4845d7e6994f061e54e12050bdb4efe5dde04a77281c7a9ed72c44331d94e50f [INFO] running `Command { std: "docker" "start" "-a" "4845d7e6994f061e54e12050bdb4efe5dde04a77281c7a9ed72c44331d94e50f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4845d7e6994f061e54e12050bdb4efe5dde04a77281c7a9ed72c44331d94e50f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4845d7e6994f061e54e12050bdb4efe5dde04a77281c7a9ed72c44331d94e50f", kill_on_drop: false }` [INFO] [stdout] 4845d7e6994f061e54e12050bdb4efe5dde04a77281c7a9ed72c44331d94e50f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7d1f1c2a3d6716e1fa18ce06e447a31ed71173b733157ace0c85c125ecb25561 [INFO] running `Command { std: "docker" "start" "-a" "7d1f1c2a3d6716e1fa18ce06e447a31ed71173b733157ace0c85c125ecb25561", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling const_fn v0.4.2 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Compiling syn v1.0.46 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.0 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking half v1.6.0 [INFO] [stderr] Checking smallvec v1.4.2 [INFO] [stderr] Checking regex-syntax v0.6.20 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking nibble_vec v0.1.0 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking oorandom v11.1.2 [INFO] [stderr] Checking endian-type v0.1.2 [INFO] [stderr] Checking radix_trie v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/trie_node.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking crossbeam-epoch v0.9.0 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Checking regex v1.4.1 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Checking quickcheck v0.4.1 [INFO] [stderr] Checking bstr v0.2.14 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking serde_test v1.0.117 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking tinytemplate v1.1.0 [INFO] [stderr] Checking criterion v0.3.3 [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/trie_node.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `encode_bytes` is never used [INFO] [stdout] --> src/keys.rs:231:12 [INFO] [stdout] | [INFO] [stdout] 230 | pub trait AsTrieKey { [INFO] [stdout] | --------- method in this trait [INFO] [stdout] 231 | fn encode_bytes(&self) -> Vec; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.86s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.3, serde_test v1.0.117 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "7d1f1c2a3d6716e1fa18ce06e447a31ed71173b733157ace0c85c125ecb25561", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d1f1c2a3d6716e1fa18ce06e447a31ed71173b733157ace0c85c125ecb25561", kill_on_drop: false }` [INFO] [stdout] 7d1f1c2a3d6716e1fa18ce06e447a31ed71173b733157ace0c85c125ecb25561 [INFO] checking radix_trie-0.2.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate radix_trie 0.2.1 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate radix_trie 0.2.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate radix_trie 0.2.1 [INFO] finished tweaking crates.io crate radix_trie 0.2.1 [INFO] tweaked toml for crates.io crate radix_trie 0.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate radix_trie 0.2.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6ec4b5b69474ab7d278528cb4b642d654988f5b0f3f96760067bae817e323fc4 [INFO] running `Command { std: "docker" "start" "-a" "6ec4b5b69474ab7d278528cb4b642d654988f5b0f3f96760067bae817e323fc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6ec4b5b69474ab7d278528cb4b642d654988f5b0f3f96760067bae817e323fc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ec4b5b69474ab7d278528cb4b642d654988f5b0f3f96760067bae817e323fc4", kill_on_drop: false }` [INFO] [stdout] 6ec4b5b69474ab7d278528cb4b642d654988f5b0f3f96760067bae817e323fc4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 16b08e23208a9b79ef2f093203657533a85210f076edb77bb9ef568a712ad173 [INFO] running `Command { std: "docker" "start" "-a" "16b08e23208a9b79ef2f093203657533a85210f076edb77bb9ef568a712ad173", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling const_fn v0.4.2 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling syn v1.0.46 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Compiling crossbeam-utils v0.8.0 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking half v1.6.0 [INFO] [stderr] Checking smallvec v1.4.2 [INFO] [stderr] Checking regex-syntax v0.6.20 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking oorandom v11.1.2 [INFO] [stderr] Checking nibble_vec v0.1.0 [INFO] [stderr] Checking endian-type v0.1.2 [INFO] [stderr] Checking radix_trie v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/trie_node.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking crossbeam-epoch v0.9.0 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking regex v1.4.1 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Checking quickcheck v0.4.1 [INFO] [stderr] Checking bstr v0.2.14 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking serde_test v1.0.117 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking tinytemplate v1.1.0 [INFO] [stderr] Checking criterion v0.3.3 [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/trie_node.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `encode_bytes` is never used [INFO] [stdout] --> src/keys.rs:231:12 [INFO] [stdout] | [INFO] [stdout] 230 | pub trait AsTrieKey { [INFO] [stdout] | --------- method in this trait [INFO] [stdout] 231 | fn encode_bytes(&self) -> Vec; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.98s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.3, serde_test v1.0.117 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "16b08e23208a9b79ef2f093203657533a85210f076edb77bb9ef568a712ad173", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16b08e23208a9b79ef2f093203657533a85210f076edb77bb9ef568a712ad173", kill_on_drop: false }` [INFO] [stdout] 16b08e23208a9b79ef2f093203657533a85210f076edb77bb9ef568a712ad173