[INFO] fetching crate cactusref 0.5.0...
[INFO] checking cactusref-0.5.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate cactusref 0.5.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate cactusref 0.5.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cactusref 0.5.0
[INFO] finished tweaking crates.io crate cactusref 0.5.0
[INFO] tweaked toml for crates.io crate cactusref 0.5.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 33 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.10.2 (latest: v0.11.5)
[INFO] [stderr]       Adding idna v0.5.0 (latest: v1.0.2)
[INFO] [stderr]       Adding pulldown-cmark v0.9.6 (latest: v0.12.0)
[INFO] [stderr]       Adding rustc-hash v1.1.0 (latest: v2.0.0)
[INFO] [stderr]       Adding toml v0.7.8 (latest: v0.8.19)
[INFO] [stderr]       Adding toml_edit v0.19.15 (latest: v0.22.20)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pulldown-cmark v0.9.6
[INFO] [stderr]   Downloaded version-sync v0.9.5
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93a6ec1e68ad2fa7b5fc2f9ce388c3c26cb1b8e3fe0be10706a6806b18b8ca5b
[INFO] running `Command { std: "docker" "start" "-a" "93a6ec1e68ad2fa7b5fc2f9ce388c3c26cb1b8e3fe0be10706a6806b18b8ca5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93a6ec1e68ad2fa7b5fc2f9ce388c3c26cb1b8e3fe0be10706a6806b18b8ca5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93a6ec1e68ad2fa7b5fc2f9ce388c3c26cb1b8e3fe0be10706a6806b18b8ca5b", kill_on_drop: false }`
[INFO] [stdout] 93a6ec1e68ad2fa7b5fc2f9ce388c3c26cb1b8e3fe0be10706a6806b18b8ca5b
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d69c8509470100bb2479a5d2a7a004091b710f385e12df5e29a8d6ccba9e68fd
[INFO] running `Command { std: "docker" "start" "-a" "d69c8509470100bb2479a5d2a7a004091b710f385e12df5e29a8d6ccba9e68fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking indexmap v2.5.0
[INFO] [stderr]     Checking cactusref v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]     --> src/rc.rs:1004:30
[INFO] [stdout]      |
[INFO] [stdout] 1004 |             let value_size = mem::size_of_val(&*box_ptr);
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]     --> src/lib.rs:26:9
[INFO] [stdout]      |
[INFO] [stdout] 26   | #![warn(unused_qualifications)]
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]      |
[INFO] [stdout] 1004 -             let value_size = mem::size_of_val(&*box_ptr);
[INFO] [stdout] 1004 +             let value_size = size_of_val(&*box_ptr);
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking syn v2.0.77
[INFO] [stdout] warning: method `kill` is never used
[INFO] [stdout]     --> src/rc.rs:1832:8
[INFO] [stdout]      |
[INFO] [stdout] 1773 | pub(crate) trait RcInnerPtr {
[INFO] [stdout]      |                  ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 1832 |     fn kill(&self) {
[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]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking serde_spanned v0.6.7
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking version-sync v0.9.5
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]     --> src/rc.rs:1004:30
[INFO] [stdout]      |
[INFO] [stdout] 1004 |             let value_size = mem::size_of_val(&*box_ptr);
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]     --> src/lib.rs:26:9
[INFO] [stdout]      |
[INFO] [stdout] 26   | #![warn(unused_qualifications)]
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]      |
[INFO] [stdout] 1004 -             let value_size = mem::size_of_val(&*box_ptr);
[INFO] [stdout] 1004 +             let value_size = size_of_val(&*box_ptr);
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `kill` is never used
[INFO] [stdout]     --> src/rc.rs:1832:8
[INFO] [stdout]      |
[INFO] [stdout] 1773 | pub(crate) trait RcInnerPtr {
[INFO] [stdout]      |                  ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 1832 |     fn kill(&self) {
[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 5.30s
[INFO] running `Command { std: "docker" "inspect" "d69c8509470100bb2479a5d2a7a004091b710f385e12df5e29a8d6ccba9e68fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d69c8509470100bb2479a5d2a7a004091b710f385e12df5e29a8d6ccba9e68fd", kill_on_drop: false }`
[INFO] [stdout] d69c8509470100bb2479a5d2a7a004091b710f385e12df5e29a8d6ccba9e68fd