[INFO] fetching crate bdecode 0.1.0... [INFO] checking bdecode-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate bdecode 0.1.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate bdecode 0.1.0 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 bdecode 0.1.0 [INFO] finished tweaking crates.io crate bdecode 0.1.0 [INFO] tweaked toml for crates.io crate bdecode 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 70 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding criterion v0.3.6 (latest: v0.5.1) [INFO] [stderr] Adding criterion-cycles-per-byte v0.1.3 (latest: v0.6.0) [INFO] [stderr] Adding criterion-plot v0.4.5 (latest: v0.5.0) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [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 criterion-cycles-per-byte v0.1.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6d17375804a36412e184e375d46e381aebee495cec9178943d6b5306c1005cd4 [INFO] running `Command { std: "docker" "start" "-a" "6d17375804a36412e184e375d46e381aebee495cec9178943d6b5306c1005cd4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6d17375804a36412e184e375d46e381aebee495cec9178943d6b5306c1005cd4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d17375804a36412e184e375d46e381aebee495cec9178943d6b5306c1005cd4", kill_on_drop: false }` [INFO] [stdout] 6d17375804a36412e184e375d46e381aebee495cec9178943d6b5306c1005cd4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 28d38a329087dfd415893c2824397d31aedc598d38f6dc1c1e62c706f2ef8030 [INFO] running `Command { std: "docker" "start" "-a" "28d38a329087dfd415893c2824397d31aedc598d38f6dc1c1e62c706f2ef8030", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking bdecode v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking url v2.5.0 [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/parse_int.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stdout] warning: fields `cached_lookup` and `size` are never read [INFO] [stdout] --> src/lib.rs:575:5 [INFO] [stdout] | [INFO] [stdout] 564 | pub struct BencodeAny<'a, 't> { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 575 | cached_lookup: Cell>, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 578 | size: Cell>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BencodeAny` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [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] Checking serde_json v1.0.115 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stderr] Checking criterion-cycles-per-byte v0.1.3 [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/parse_int.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `cached_lookup` and `size` are never read [INFO] [stdout] --> src/lib.rs:575:5 [INFO] [stdout] | [INFO] [stdout] 564 | pub struct BencodeAny<'a, 't> { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 575 | cached_lookup: Cell>, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 578 | size: Cell>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BencodeAny` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [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 3.48s [INFO] running `Command { std: "docker" "inspect" "28d38a329087dfd415893c2824397d31aedc598d38f6dc1c1e62c706f2ef8030", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28d38a329087dfd415893c2824397d31aedc598d38f6dc1c1e62c706f2ef8030", kill_on_drop: false }` [INFO] [stdout] 28d38a329087dfd415893c2824397d31aedc598d38f6dc1c1e62c706f2ef8030 [INFO] checking bdecode-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate bdecode 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate bdecode 0.1.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bdecode 0.1.0 [INFO] finished tweaking crates.io crate bdecode 0.1.0 [INFO] tweaked toml for crates.io crate bdecode 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 70 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding criterion v0.3.6 (latest: v0.5.1) [INFO] [stderr] Adding criterion-cycles-per-byte v0.1.3 (latest: v0.6.0) [INFO] [stderr] Adding criterion-plot v0.4.5 (latest: v0.5.0) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d51d1b4a46f88a168b872487af82045df6f3ddf10a05daf20d71195084bd230d [INFO] running `Command { std: "docker" "start" "-a" "d51d1b4a46f88a168b872487af82045df6f3ddf10a05daf20d71195084bd230d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d51d1b4a46f88a168b872487af82045df6f3ddf10a05daf20d71195084bd230d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d51d1b4a46f88a168b872487af82045df6f3ddf10a05daf20d71195084bd230d", kill_on_drop: false }` [INFO] [stdout] d51d1b4a46f88a168b872487af82045df6f3ddf10a05daf20d71195084bd230d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b0ebcfe30f66cdd59e344b1460cfe64a597b10cce96cad17440571f928643602 [INFO] running `Command { std: "docker" "start" "-a" "b0ebcfe30f66cdd59e344b1460cfe64a597b10cce96cad17440571f928643602", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Checking bdecode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/parse_int.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stdout] warning: fields `cached_lookup` and `size` are never read [INFO] [stdout] --> src/lib.rs:575:5 [INFO] [stdout] | [INFO] [stdout] 564 | pub struct BencodeAny<'a, 't> { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 575 | cached_lookup: Cell>, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 578 | size: Cell>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BencodeAny` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [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] Checking serde_json v1.0.115 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stderr] Checking criterion-cycles-per-byte v0.1.3 [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/parse_int.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `cached_lookup` and `size` are never read [INFO] [stdout] --> src/lib.rs:575:5 [INFO] [stdout] | [INFO] [stdout] 564 | pub struct BencodeAny<'a, 't> { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 575 | cached_lookup: Cell>, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 578 | size: Cell>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BencodeAny` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [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 3.45s [INFO] running `Command { std: "docker" "inspect" "b0ebcfe30f66cdd59e344b1460cfe64a597b10cce96cad17440571f928643602", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0ebcfe30f66cdd59e344b1460cfe64a597b10cce96cad17440571f928643602", kill_on_drop: false }` [INFO] [stdout] b0ebcfe30f66cdd59e344b1460cfe64a597b10cce96cad17440571f928643602