[INFO] fetching crate bounded-collections 0.2.0...
[INFO] checking bounded-collections-0.2.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate bounded-collections 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate bounded-collections 0.2.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bounded-collections 0.2.0
[INFO] finished tweaking crates.io crate bounded-collections 0.2.0
[INFO] tweaked toml for crates.io crate bounded-collections 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 38 packages to latest compatible versions
[INFO] [stderr]       Adding derive_more v0.99.18 (latest: v1.0.0)
[INFO] [stderr]       Adding radium v0.7.0 (latest: v1.1.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding wyz v0.5.1 (latest: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 388190b9cc416aedbdd41052c84ac3a69cdb5c332c6c1be688a60a4730f42e93
[INFO] running `Command { std: "docker" "start" "-a" "388190b9cc416aedbdd41052c84ac3a69cdb5c332c6c1be688a60a4730f42e93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "388190b9cc416aedbdd41052c84ac3a69cdb5c332c6c1be688a60a4730f42e93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "388190b9cc416aedbdd41052c84ac3a69cdb5c332c6c1be688a60a4730f42e93", kill_on_drop: false }`
[INFO] [stdout] 388190b9cc416aedbdd41052c84ac3a69cdb5c332c6c1be688a60a4730f42e93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cad2bf1c4c089f64febc76a2ddc20287656ed75e058fa88f180230ee139df19
[INFO] running `Command { std: "docker" "start" "-a" "3cad2bf1c4c089f64febc76a2ddc20287656ed75e058fa88f180230ee139df19", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling winnow v0.6.18
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling toml_edit v0.22.20
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling derive_more v0.99.18
[INFO] [stderr]    Compiling proc-macro-crate v3.2.0
[INFO] [stderr]    Compiling parity-scale-codec-derive v3.6.12
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.2
[INFO] [stderr]    Compiling scale-info-derive v2.11.3
[INFO] [stderr]     Checking parity-scale-codec v3.6.12
[INFO] [stderr]     Checking serde_json v1.0.127
[INFO] [stderr]     Checking scale-info v2.11.3
[INFO] [stderr]     Checking bounded-collections v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]    --> src/bounded_btree_map.rs:659:10
[INFO] [stdout]     |
[INFO] [stdout] 659 |         struct Foo {
[INFO] [stdout]     |                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]    --> src/bounded_btree_set.rs:583:10
[INFO] [stdout]     |
[INFO] [stdout] 583 |         struct Foo {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]     --> src/bounded_vec.rs:1364:10
[INFO] [stdout]      |
[INFO] [stdout] 1364 |         struct Foo<'a> {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.89s
[INFO] running `Command { std: "docker" "inspect" "3cad2bf1c4c089f64febc76a2ddc20287656ed75e058fa88f180230ee139df19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cad2bf1c4c089f64febc76a2ddc20287656ed75e058fa88f180230ee139df19", kill_on_drop: false }`
[INFO] [stdout] 3cad2bf1c4c089f64febc76a2ddc20287656ed75e058fa88f180230ee139df19
[INFO] checking bounded-collections-0.2.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate bounded-collections 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate bounded-collections 0.2.0 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bounded-collections 0.2.0
[INFO] finished tweaking crates.io crate bounded-collections 0.2.0
[INFO] tweaked toml for crates.io crate bounded-collections 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 38 packages to latest compatible versions
[INFO] [stderr]       Adding derive_more v0.99.18 (latest: v1.0.0)
[INFO] [stderr]       Adding radium v0.7.0 (latest: v1.1.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding wyz v0.5.1 (latest: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76c7f9d95945a7f137512941849b94e1dd811e539648605b1539b0bc17e8a353
[INFO] running `Command { std: "docker" "start" "-a" "76c7f9d95945a7f137512941849b94e1dd811e539648605b1539b0bc17e8a353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76c7f9d95945a7f137512941849b94e1dd811e539648605b1539b0bc17e8a353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76c7f9d95945a7f137512941849b94e1dd811e539648605b1539b0bc17e8a353", kill_on_drop: false }`
[INFO] [stdout] 76c7f9d95945a7f137512941849b94e1dd811e539648605b1539b0bc17e8a353
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0d94c1c9971bcc4b561024ff35d1abfd4a4dd7035223e6afa5e46bf2fd71941
[INFO] running `Command { std: "docker" "start" "-a" "c0d94c1c9971bcc4b561024ff35d1abfd4a4dd7035223e6afa5e46bf2fd71941", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling winnow v0.6.18
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling toml_edit v0.22.20
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling derive_more v0.99.18
[INFO] [stderr]    Compiling proc-macro-crate v3.2.0
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.2
[INFO] [stderr]    Compiling parity-scale-codec-derive v3.6.12
[INFO] [stderr]    Compiling scale-info-derive v2.11.3
[INFO] [stderr]     Checking parity-scale-codec v3.6.12
[INFO] [stderr]     Checking serde_json v1.0.127
[INFO] [stderr]     Checking scale-info v2.11.3
[INFO] [stderr]     Checking bounded-collections v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]    --> src/bounded_btree_map.rs:659:10
[INFO] [stdout]     |
[INFO] [stdout] 659 |         struct Foo {
[INFO] [stdout]     |                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]    --> src/bounded_btree_set.rs:583:10
[INFO] [stdout]     |
[INFO] [stdout] 583 |         struct Foo {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]     --> src/bounded_vec.rs:1364:10
[INFO] [stdout]      |
[INFO] [stdout] 1364 |         struct Foo<'a> {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.10s
[INFO] running `Command { std: "docker" "inspect" "c0d94c1c9971bcc4b561024ff35d1abfd4a4dd7035223e6afa5e46bf2fd71941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0d94c1c9971bcc4b561024ff35d1abfd4a4dd7035223e6afa5e46bf2fd71941", kill_on_drop: false }`
[INFO] [stdout] c0d94c1c9971bcc4b561024ff35d1abfd4a4dd7035223e6afa5e46bf2fd71941