[INFO] fetching crate dep-obj 0.34.1...
[INFO] testing dep-obj-0.34.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate dep-obj 0.34.1 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate dep-obj 0.34.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dep-obj 0.34.1
[INFO] finished tweaking crates.io crate dep-obj 0.34.1
[INFO] tweaked toml for crates.io crate dep-obj 0.34.1 written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate crates.io crate dep-obj 0.34.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7522a1e99e255dec4ca7d71180fc05456b6b9f135b2a2d5d483a5e84f4d03c48
[INFO] running `Command { std: "docker" "start" "-a" "7522a1e99e255dec4ca7d71180fc05456b6b9f135b2a2d5d483a5e84f4d03c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7522a1e99e255dec4ca7d71180fc05456b6b9f135b2a2d5d483a5e84f4d03c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7522a1e99e255dec4ca7d71180fc05456b6b9f135b2a2d5d483a5e84f4d03c48", kill_on_drop: false }`
[INFO] [stdout] 7522a1e99e255dec4ca7d71180fc05456b6b9f135b2a2d5d483a5e84f4d03c48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 482708e6e219fcbd9065f0f7da635a7790a969fc9dfa06b1acee55a94aaa201e
[INFO] running `Command { std: "docker" "start" "-a" "482708e6e219fcbd9065f0f7da635a7790a969fc9dfa06b1acee55a94aaa201e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling generics v0.3.2
[INFO] [stderr]    Compiling panicking v0.0.1
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling dyn-clone v1.0.4
[INFO] [stderr]    Compiling macro-attr-2018 v1.1.1
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling enum-ordinalize v3.1.10
[INFO] [stderr]    Compiling educe v0.4.18
[INFO] [stderr]    Compiling phantom-type v0.3.1
[INFO] [stderr]    Compiling dyn-context v0.10.8
[INFO] [stderr]    Compiling components-arena v2.1.5
[INFO] [stderr]    Compiling dep-obj v0.34.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: the feature `option_result_unwrap_unchecked` has been stable since 1.58.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | #![feature(option_result_unwrap_unchecked)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(stable_features)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the feature `try_reserve` has been stable since 1.57.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(try_reserve)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dep-obj` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "482708e6e219fcbd9065f0f7da635a7790a969fc9dfa06b1acee55a94aaa201e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "482708e6e219fcbd9065f0f7da635a7790a969fc9dfa06b1acee55a94aaa201e", kill_on_drop: false }`
[INFO] [stdout] 482708e6e219fcbd9065f0f7da635a7790a969fc9dfa06b1acee55a94aaa201e