[INFO] fetching crate abi_stable_derive 0.9.0...
[INFO] checking abi_stable_derive-0.9.0 against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] extracting crate abi_stable_derive 0.9.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate abi_stable_derive 0.9.0 on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate abi_stable_derive 0.9.0
[INFO] finished tweaking crates.io crate abi_stable_derive 0.9.0
[INFO] tweaked toml for crates.io crate abi_stable_derive 0.9.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5cafb8c74907fd454c942ee2d6d8db531ea58e5014f24dbb2aa9255de35af6ce
[INFO] running `Command { std: "docker" "start" "-a" "5cafb8c74907fd454c942ee2d6d8db531ea58e5014f24dbb2aa9255de35af6ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cafb8c74907fd454c942ee2d6d8db531ea58e5014f24dbb2aa9255de35af6ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cafb8c74907fd454c942ee2d6d8db531ea58e5014f24dbb2aa9255de35af6ce", kill_on_drop: false }`
[INFO] [stdout] 5cafb8c74907fd454c942ee2d6d8db531ea58e5014f24dbb2aa9255de35af6ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 22fe4df490d5bdb7dbd3abf3c35ef5829d92dfe029214f1528f86e53b66a8899
[INFO] running `Command { std: "docker" "start" "-a" "22fe4df490d5bdb7dbd3abf3c35ef5829d92dfe029214f1528f86e53b66a8899", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking quote v1.0.8
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling core_extensions v0.1.18
[INFO] [stderr]     Checking abi_stable_shared v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking ron v0.6.4
[INFO] [stderr]     Checking as_derive_utils v0.9.0
[INFO] [stderr]     Checking abi_stable_derive v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sabi_trait/lifetime_unelider.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         mut ty: Type,
[INFO] [stdout]     |         ----^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sabi_trait/lifetime_unelider.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let mut this = LifetimeUnelider::new(&mut self_lifetime);
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.18s
[INFO] running `Command { std: "docker" "inspect" "22fe4df490d5bdb7dbd3abf3c35ef5829d92dfe029214f1528f86e53b66a8899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22fe4df490d5bdb7dbd3abf3c35ef5829d92dfe029214f1528f86e53b66a8899", kill_on_drop: false }`
[INFO] [stdout] 22fe4df490d5bdb7dbd3abf3c35ef5829d92dfe029214f1528f86e53b66a8899