[INFO] fetching crate cargo-cache 0.6.2...
[INFO] building cargo-cache-0.6.2 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate cargo-cache 0.6.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cargo-cache 0.6.2 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-cache 0.6.2
[INFO] finished tweaking crates.io crate cargo-cache 0.6.2
[INFO] tweaked toml for crates.io crate cargo-cache 0.6.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate cargo-cache 0.6.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded path-slash v0.1.4
[INFO] [stderr]   Downloaded remove_dir_all v0.6.1
[INFO] [stderr]   Downloaded rustc_tools_util v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f64092bdf66bc627b91eb4804f0770fe2770bcc37de79821af10c749ba913c1e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f64092bdf66bc627b91eb4804f0770fe2770bcc37de79821af10c749ba913c1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f64092bdf66bc627b91eb4804f0770fe2770bcc37de79821af10c749ba913c1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f64092bdf66bc627b91eb4804f0770fe2770bcc37de79821af10c749ba913c1e", kill_on_drop: false }`
[INFO] [stdout] f64092bdf66bc627b91eb4804f0770fe2770bcc37de79821af10c749ba913c1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 702a1a81e4c8a2e358be447af610bbf6f88bb3a90102be5b7c848396900d9b84
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "702a1a81e4c8a2e358be447af610bbf6f88bb3a90102be5b7c848396900d9b84", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling serde_derive v1.0.120
[INFO] [stderr]    Compiling serde v1.0.120
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling rustc_tools_util v0.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling remove_dir_all v0.6.1
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling thread_local v1.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling cargo-cache v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libgit2-sys v0.12.17+1.1.0
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling git2 v0.13.15
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling cargo-platform v0.1.1
[INFO] [stderr]    Compiling cargo_metadata v0.12.3
[INFO] [stdout] warning: field is never read: `number_of_indices`
[INFO] [stdout]    --> src/cache/registry_index.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     number_of_indices: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/main.rs:20:5
[INFO] [stdout]     |
[INFO] [stdout] 20  |     unused,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     = note: `#[warn(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `number_of_caches`
[INFO] [stdout]    --> src/cache/registry_pkg_cache.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 164 |     number_of_caches: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "702a1a81e4c8a2e358be447af610bbf6f88bb3a90102be5b7c848396900d9b84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "702a1a81e4c8a2e358be447af610bbf6f88bb3a90102be5b7c848396900d9b84", kill_on_drop: false }`
[INFO] [stdout] 702a1a81e4c8a2e358be447af610bbf6f88bb3a90102be5b7c848396900d9b84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 860bb5cf316e53b4255a1c99a8bcc2f6d44e8d65758ab0fe4763e384370496d9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "860bb5cf316e53b4255a1c99a8bcc2f6d44e8d65758ab0fe4763e384370496d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling path-slash v0.1.4
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stdout] warning: field is never read: `number_of_indices`
[INFO] [stdout]    --> src/cache/registry_index.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     number_of_indices: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/main.rs:20:5
[INFO] [stdout]     |
[INFO] [stdout] 20  |     unused,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     = note: `#[warn(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `number_of_caches`
[INFO] [stdout]    --> src/cache/registry_pkg_cache.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 164 |     number_of_caches: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.2
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling cargo-cache v0.6.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/clean_unref.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 | /         format!(
[INFO] [stdout] 104 | |             "CONDITION NOT MET: {} < {}",
[INFO] [stdout] 105 | |             cargo_home_size_before_removel, cargo_home_size_after_removel
[INFO] [stdout] 106 | |         )
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 103 |         
[INFO] [stdout] 104 |             "CONDITION NOT MET: {} < {}",
[INFO] [stdout] 105 |             cargo_home_size_before_removel, cargo_home_size_after_removel
[INFO] [stdout] 106 |         
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/all_cargo_cache_paths_are_known.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         format!("last iterator item is not none: {:?}", last)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 174 |         "last iterator item is not none: {:?}", last
[INFO] [stdout]     |        --                                          --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `number_of_indices`
[INFO] [stdout]    --> src/cache/registry_index.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     number_of_indices: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/main.rs:20:5
[INFO] [stdout]     |
[INFO] [stdout] 20  |     unused,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     = note: `#[warn(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `number_of_caches`
[INFO] [stdout]    --> src/cache/registry_pkg_cache.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 164 |     number_of_caches: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/git.rs:365:13
[INFO] [stdout]     |
[INFO] [stdout] 365 |             format!("git gc is funky: before: {}  after: {}", before, after)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 365 |             "git gc is funky: before: {}  after: {}", before, after
[INFO] [stdout]     |            --                                                     --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/git.rs:430:30
[INFO] [stdout]     |
[INFO] [stdout] 430 |         assert!(res.is_ok(), format!("Failed to fsck git repo: {:?}", res));
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 430 |         assert!(res.is_ok(), "Failed to fsck git repo: {:?}", res);
[INFO] [stdout]     |                             --                                  --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.31s
[INFO] running `Command { std: "docker" "inspect" "860bb5cf316e53b4255a1c99a8bcc2f6d44e8d65758ab0fe4763e384370496d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "860bb5cf316e53b4255a1c99a8bcc2f6d44e8d65758ab0fe4763e384370496d9", kill_on_drop: false }`
[INFO] [stdout] 860bb5cf316e53b4255a1c99a8bcc2f6d44e8d65758ab0fe4763e384370496d9
