[INFO] fetching crate enum-map 2.7.3...
[INFO] checking enum-map-2.7.3 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-2
[INFO] extracting crate enum-map 2.7.3 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate enum-map 2.7.3 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enum-map 2.7.3
[INFO] finished tweaking crates.io crate enum-map 2.7.3
[INFO] tweaked toml for crates.io crate enum-map 2.7.3 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_test v1.0.176
[INFO] [stderr]   Downloaded arbitrary v1.3.2
[INFO] [stderr]   Downloaded enum-map-derive v0.17.0
[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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ecfe3a9f958f29eab5a91272f56381d28a1e35f44c0afc8fc09b1cbddfbef59
[INFO] running `Command { std: "docker" "start" "-a" "0ecfe3a9f958f29eab5a91272f56381d28a1e35f44c0afc8fc09b1cbddfbef59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ecfe3a9f958f29eab5a91272f56381d28a1e35f44c0afc8fc09b1cbddfbef59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ecfe3a9f958f29eab5a91272f56381d28a1e35f44c0afc8fc09b1cbddfbef59", kill_on_drop: false }`
[INFO] [stdout] 0ecfe3a9f958f29eab5a91272f56381d28a1e35f44c0afc8fc09b1cbddfbef59
[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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e9281b4009e9f9964a3467b45f6a6ab6bc7be63769cb32d216b32d62a608e7f
[INFO] running `Command { std: "docker" "start" "-a" "6e9281b4009e9f9964a3467b45f6a6ab6bc7be63769cb32d216b32d62a608e7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling enum-map-derive v0.17.0
[INFO] [stderr]     Checking enum-map v2.7.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Extend` is imported redundantly
[INFO] [stdout]   --> src/enum_map_impls.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | use core::iter::{Extend, FromIterator};
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout]   --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/prelude/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Extend` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]   --> src/enum_map_impls.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 | use core::iter::{Extend, FromIterator};
[INFO] [stdout]    |                          ^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/prelude/mod.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_test v1.0.176
[INFO] [stdout] warning: the item `Extend` is imported redundantly
[INFO] [stdout]   --> src/enum_map_impls.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | use core::iter::{Extend, FromIterator};
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout]   --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/prelude/mod.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Extend` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]   --> src/enum_map_impls.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 | use core::iter::{Extend, FromIterator};
[INFO] [stdout]    |                          ^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/prelude/mod.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `From` is never used
[INFO] [stdout]   --> tests/test.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | trait From<T>: Sized {
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.50s
[INFO] running `Command { std: "docker" "inspect" "6e9281b4009e9f9964a3467b45f6a6ab6bc7be63769cb32d216b32d62a608e7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e9281b4009e9f9964a3467b45f6a6ab6bc7be63769cb32d216b32d62a608e7f", kill_on_drop: false }`
[INFO] [stdout] 6e9281b4009e9f9964a3467b45f6a6ab6bc7be63769cb32d216b32d62a608e7f