[INFO] cloning repository https://github.com/ilslv/rust-incubator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ilslv/rust-incubator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filslv%2Frust-incubator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filslv%2Frust-incubator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6294833c3073b7239c37c83993931b800617587a
[INFO] checking ilslv/rust-incubator against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filslv%2Frust-incubator" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ilslv/rust-incubator on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ilslv/rust-incubator
[INFO] finished tweaking git repo https://github.com/ilslv/rust-incubator
[INFO] tweaked toml for git repo https://github.com/ilslv/rust-incubator written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ilslv/rust-incubator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 1b449347f975179fdbb7cf314178cf1589dcbc314a0ae4d816c6dea982428a1a
[INFO] running `Command { std: "docker" "start" "-a" "1b449347f975179fdbb7cf314178cf1589dcbc314a0ae4d816c6dea982428a1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b449347f975179fdbb7cf314178cf1589dcbc314a0ae4d816c6dea982428a1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b449347f975179fdbb7cf314178cf1589dcbc314a0ae4d816c6dea982428a1a", kill_on_drop: false }`
[INFO] [stdout] 1b449347f975179fdbb7cf314178cf1589dcbc314a0ae4d816c6dea982428a1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] caa21bb0937b6415e24fbca077fa329101a64237942ea6ac31d10729216d2b93
[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" "caa21bb0937b6415e24fbca077fa329101a64237942ea6ac31d10729216d2b93", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling bindgen v0.48.1
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]    Compiling rayon-core v1.8.0
[INFO] [stderr]    Compiling v_htmlescape v0.4.5
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking step_1_7 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_7_sized)
[INFO] [stderr]     Checking step_2_1 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_1_type_safety)
[INFO] [stderr]     Checking step_2_3 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_3_bound_impl)
[INFO] [stderr]     Checking step_2_2 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_2_mem_replace)
[INFO] [stderr]     Checking step_2_4 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_4_generic_in_type_out)
[INFO] [stderr]     Checking step_1_1 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_1_default_clone_copy)
[INFO] [stdout] warning: unused imports: `Body`, `Title`
[INFO] [stdout]  --> 2_idioms/2_1_type_safety/src/main.rs:6:30
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use crate::utils::post::{Body, Title};
[INFO] [stdout]   |                              ^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking step_3_1 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_1_testing)
[INFO] [stderr]     Checking step_1_2 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_2_box_pin)
[INFO] [stdout] warning: unused variable: `deleted_post`
[INFO] [stdout]    --> 2_idioms/2_1_type_safety/src/main.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let deleted_post = post.publish().allow().delete();
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deleted_post`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `deny`
[INFO] [stdout]    --> 2_idioms/2_1_type_safety/src/main.rs:116:16
[INFO] [stdout]     |
[INFO] [stdout] 116 |         pub fn deny(self) -> Post<Deleted> {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking step_1_3 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_3_rc_cell)
[INFO] [stderr]     Checking step_1_6 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_6_dispatch)
[INFO] [stderr]     Checking step_1_4 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_4_cow)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> 1_concepts/1_2_box_pin/src/main.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn new(data: String) -> Pin<Box<Self>> {
[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]     Checking step_2 v0.1.0 (/opt/rustwide/workdir/2_idioms)
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stdout] warning: associated function is never used: `update_user`
[INFO] [stdout]   --> 1_concepts/1_6_dispatch/src/main.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |         pub fn update_user(&mut self, key: K, updated_user: User) -> Result<(), Error> {
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_user`
[INFO] [stdout]   --> 1_concepts/1_6_dispatch/src/main.rs:84:16
[INFO] [stdout]    |
[INFO] [stdout] 84 |         pub fn remove_user(&mut self, key: &K) -> Result<User, Error> {
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_user`
[INFO] [stdout]    --> 1_concepts/1_6_dispatch/src/main.rs:126:16
[INFO] [stdout]     |
[INFO] [stdout] 126 |         pub fn update_user(&mut self, key: K, updated_user: User) -> Result<(), Error> {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_user`
[INFO] [stdout]    --> 1_concepts/1_6_dispatch/src/main.rs:136:16
[INFO] [stdout]     |
[INFO] [stdout] 136 |         pub fn remove_user(&mut self, key: &K) -> Result<User, Error> {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stdout] warning: unused imports: `Body`, `Title`
[INFO] [stdout]  --> 2_idioms/2_1_type_safety/src/main.rs:6:30
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use crate::utils::post::{Body, Title};
[INFO] [stdout]   |                              ^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_user`
[INFO] [stdout]   --> 1_concepts/1_6_dispatch/src/main.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |         pub fn update_user(&mut self, key: K, updated_user: User) -> Result<(), Error> {
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_user`
[INFO] [stdout]   --> 1_concepts/1_6_dispatch/src/main.rs:84:16
[INFO] [stdout]    |
[INFO] [stdout] 84 |         pub fn remove_user(&mut self, key: &K) -> Result<User, Error> {
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_user`
[INFO] [stdout]    --> 1_concepts/1_6_dispatch/src/main.rs:126:16
[INFO] [stdout]     |
[INFO] [stdout] 126 |         pub fn update_user(&mut self, key: K, updated_user: User) -> Result<(), Error> {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_user`
[INFO] [stdout]    --> 1_concepts/1_6_dispatch/src/main.rs:136:16
[INFO] [stdout]     |
[INFO] [stdout] 136 |         pub fn remove_user(&mut self, key: &K) -> Result<User, Error> {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `deleted_post`
[INFO] [stdout]    --> 2_idioms/2_1_type_safety/src/main.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let deleted_post = post.publish().allow().delete();
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deleted_post`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stdout] warning: associated function is never used: `deny`
[INFO] [stdout]    --> 2_idioms/2_1_type_safety/src/main.rs:116:16
[INFO] [stdout]     |
[INFO] [stdout] 116 |         pub fn deny(self) -> Post<Deleted> {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> 1_concepts/1_2_box_pin/src/main.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn new(data: String) -> Pin<Box<Self>> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stdout] warning: associated function is never used: `from_vec`
[INFO] [stdout]   --> 1_concepts/1_1_default_clone_copy/src/main.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |         pub fn from_vec(vec: Vec<Point>) -> Polyline {
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> 1_concepts/1_1_default_clone_copy/src/main.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |         pub fn len(&self) -> usize {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling libsqlite3-sys v0.18.0
[INFO] [stdout] warning: unused variable: `machine`
[INFO] [stdout]    --> 2_idioms/src/main.rs:396:10
[INFO] [stdout]     |
[INFO] [stdout] 396 |     let (machine, product, rest) = machine.get_product().unwrap();
[INFO] [stdout]     |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_machine`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `machine`
[INFO] [stdout]    --> 2_idioms/src/main.rs:396:10
[INFO] [stdout]     |
[INFO] [stdout] 396 |     let (machine, product, rest) = machine.get_product().unwrap();
[INFO] [stdout]     |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_machine`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stdout] warning: associated function is never used: `inset_coins`
[INFO] [stdout]    --> 2_idioms/src/main.rs:170:16
[INFO] [stdout]     |
[INFO] [stdout] 170 |         pub fn inset_coins<I: IntoIterator<Item = Coin>>(&mut self, coins: I) {
[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]    Compiling nom v4.2.3
[INFO] [stdout] warning: associated function is never used: `inset_coins`
[INFO] [stdout]    --> 2_idioms/src/main.rs:170:16
[INFO] [stdout]     |
[INFO] [stdout] 170 |         pub fn inset_coins<I: IntoIterator<Item = Coin>>(&mut self, coins: I) {
[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]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking proc-macro2 v1.0.20
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sized-chunks v0.6.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/bhcomp.rs:62:24
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let bytes = bits / Limb::BITS;
[INFO] [stdout]    |                        ^^^^^^^^^^ expected `usize`, found `u32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stdout] error[E0277]: cannot divide `usize` by `u32`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/bhcomp.rs:62:22
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let bytes = bits / Limb::BITS;
[INFO] [stdout]    |                      ^ no implementation for `usize / u32`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Div<u32>` is not implemented for `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/bigcomp.rs:157:55
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let nlz = den.leading_zeros().wrapping_sub(wlz) & (u32::BITS - 1);
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^ expected `usize`, found `u32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: no implementation for `usize & u32`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/bigcomp.rs:157:53
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let nlz = den.leading_zeros().wrapping_sub(wlz) & (u32::BITS - 1);
[INFO] [stdout]     |                                                     ^ no implementation for `usize & u32`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `BitAnd<u32>` is not implemented for `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/bigcomp.rs:175:40
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let (q, r) = shift.ceil_divmod(Limb::BITS);
[INFO] [stdout]     |                                        ^^^^^^^^^^ expected `usize`, found `u32`
[INFO] [stdout]     |
[INFO] [stdout] help: you can convert a `u32` to a `usize` and panic if the converted value doesn't fit
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let (q, r) = shift.ceil_divmod(Limb::BITS.try_into().unwrap());
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1043:42
[INFO] [stdout]      |
[INFO] [stdout] 1043 |     let mut count = index.saturating_mul(Limb::BITS);
[INFO] [stdout]      |                                          ^^^^^^^^^^ expected `usize`, found `u32`
[INFO] [stdout]      |
[INFO] [stdout] help: you can convert a `u32` to a `usize` and panic if the converted value doesn't fit
[INFO] [stdout]      |
[INFO] [stdout] 1043 |     let mut count = index.saturating_mul(Limb::BITS.try_into().unwrap());
[INFO] [stdout]      |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1058:28
[INFO] [stdout]      |
[INFO] [stdout] 1058 |     Limb::BITS.checked_mul(x.len())
[INFO] [stdout]      |                            ^^^^^^^ expected `u32`, found `usize`
[INFO] [stdout]      |
[INFO] [stdout] help: you can convert a `usize` to a `u32` and panic if the converted value doesn't fit
[INFO] [stdout]      |
[INFO] [stdout] 1058 |     Limb::BITS.checked_mul(x.len().try_into().unwrap())
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1059:22
[INFO] [stdout]      |
[INFO] [stdout] 1059 |         .map(|v| v - nlz)
[INFO] [stdout]      |                      ^^^ expected `u32`, found `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `usize` from `u32`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1059:20
[INFO] [stdout]      |
[INFO] [stdout] 1059 |         .map(|v| v - nlz)
[INFO] [stdout]      |                    ^ no implementation for `u32 - usize`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the trait `Sub<usize>` is not implemented for `u32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1060:20
[INFO] [stdout]      |
[INFO] [stdout] 1060 |         .unwrap_or(usize::max_value())
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^ expected `u32`, found `usize`
[INFO] [stdout]      |
[INFO] [stdout] help: you can convert a `usize` to a `u32` and panic if the converted value doesn't fit
[INFO] [stdout]      |
[INFO] [stdout] 1060 |         .unwrap_or(usize::max_value().try_into().unwrap())
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1058:5
[INFO] [stdout]      |
[INFO] [stdout] 1054 |   pub fn bit_length(x: &[Limb]) -> usize {
[INFO] [stdout]      |                                    ----- expected `usize` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 1058 | /     Limb::BITS.checked_mul(x.len())
[INFO] [stdout] 1059 | |         .map(|v| v - nlz)
[INFO] [stdout] 1060 | |         .unwrap_or(usize::max_value())
[INFO] [stdout]      | |______________________________________^ expected `usize`, found `u32`
[INFO] [stdout]      |
[INFO] [stdout] help: you can convert a `u32` to a `usize` and panic if the converted value doesn't fit
[INFO] [stdout]      |
[INFO] [stdout] 1058 |     Limb::BITS.checked_mul(x.len())
[INFO] [stdout] 1059 |         .map(|v| v - nlz)
[INFO] [stdout] 1060 |         .unwrap_or(usize::max_value()).try_into().unwrap()
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1085:23
[INFO] [stdout]      |
[INFO] [stdout] 1085 |     debug_assert!(n < bits && n != 0);
[INFO] [stdout]      |                       ^^^^ expected `usize`, found `u32`
[INFO] [stdout]      |
[INFO] [stdout] help: you can convert a `u32` to a `usize` and panic if the converted value doesn't fit
[INFO] [stdout]      |
[INFO] [stdout] 1085 |     debug_assert!(n < bits.try_into().unwrap() && n != 0);
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1092:25
[INFO] [stdout]      |
[INFO] [stdout] 1092 |     let lshift = bits - n;
[INFO] [stdout]      |                         ^ expected `u32`, found `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `usize` from `u32`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1092:23
[INFO] [stdout]      |
[INFO] [stdout] 1092 |     let lshift = bits - n;
[INFO] [stdout]      |                       ^ no implementation for `u32 - usize`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the trait `Sub<usize>` is not implemented for `u32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1134:19
[INFO] [stdout]      |
[INFO] [stdout] 1134 |     let rem = n % bits;
[INFO] [stdout]      |                   ^^^^ expected `usize`, found `u32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot mod `usize` by `u32`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1134:17
[INFO] [stdout]      |
[INFO] [stdout] 1134 |     let rem = n % bits;
[INFO] [stdout]      |                 ^ no implementation for `usize % u32`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the trait `Rem<u32>` is not implemented for `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1135:19
[INFO] [stdout]      |
[INFO] [stdout] 1135 |     let div = n / bits;
[INFO] [stdout]      |                   ^^^^ expected `usize`, found `u32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot divide `usize` by `u32`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1135:17
[INFO] [stdout]      |
[INFO] [stdout] 1135 |     let div = n / bits;
[INFO] [stdout]      |                 ^ no implementation for `usize / u32`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the trait `Div<u32>` is not implemented for `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1191:23
[INFO] [stdout]      |
[INFO] [stdout] 1191 |     debug_assert!(n < bits);
[INFO] [stdout]      |                       ^^^^ expected `usize`, found `u32`
[INFO] [stdout]      |
[INFO] [stdout] help: you can convert a `u32` to a `usize` and panic if the converted value doesn't fit
[INFO] [stdout]      |
[INFO] [stdout] 1191 |     debug_assert!(n < bits.try_into().unwrap());
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1201:25
[INFO] [stdout]      |
[INFO] [stdout] 1201 |     let rshift = bits - n;
[INFO] [stdout]      |                         ^ expected `u32`, found `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `usize` from `u32`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1201:23
[INFO] [stdout]      |
[INFO] [stdout] 1201 |     let rshift = bits - n;
[INFO] [stdout]      |                       ^ no implementation for `u32 - usize`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the trait `Sub<usize>` is not implemented for `u32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1253:19
[INFO] [stdout]      |
[INFO] [stdout] 1253 |     let rem = n % bits;
[INFO] [stdout]      |                   ^^^^ expected `usize`, found `u32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot mod `usize` by `u32`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1253:17
[INFO] [stdout]      |
[INFO] [stdout] 1253 |     let rem = n % bits;
[INFO] [stdout]      |                 ^ no implementation for `usize % u32`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the trait `Rem<u32>` is not implemented for `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1254:19
[INFO] [stdout]      |
[INFO] [stdout] 1254 |     let div = n / bits;
[INFO] [stdout]      |                   ^^^^ expected `usize`, found `u32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot divide `usize` by `u32`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:1254:17
[INFO] [stdout]      |
[INFO] [stdout] 1254 |     let div = n / bits;
[INFO] [stdout]      |                 ^ no implementation for `usize / u32`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the trait `Div<u32>` is not implemented for `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:2065:27
[INFO] [stdout]      |
[INFO] [stdout] 2065 |     let rs = Limb::BITS - s;
[INFO] [stdout]      |                           ^ expected `u32`, found `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `usize` from `u32`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lexical-core-0.7.4/src/atof/algorithm/math.rs:2065:25
[INFO] [stdout]      |
[INFO] [stdout] 2065 |     let rs = Limb::BITS - s;
[INFO] [stdout]      |                         ^ no implementation for `u32 - usize`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the trait `Sub<usize>` is not implemented for `u32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 27 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lexical-core` due to 28 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "caa21bb0937b6415e24fbca077fa329101a64237942ea6ac31d10729216d2b93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caa21bb0937b6415e24fbca077fa329101a64237942ea6ac31d10729216d2b93", kill_on_drop: false }`
[INFO] [stdout] caa21bb0937b6415e24fbca077fa329101a64237942ea6ac31d10729216d2b93
