[INFO] fetching crate art_dice 0.4.1...
[INFO] checking art_dice-0.4.1 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate art_dice 0.4.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate art_dice 0.4.1
[INFO] finished tweaking crates.io crate art_dice 0.4.1
[INFO] tweaked toml for crates.io crate art_dice 0.4.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate art_dice 0.4.1 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a24ddd0ff21507e93aa224a7657d91c4c44848863ffdaf8e2af6a1a4b6668b75
[INFO] running `Command { std: "docker" "start" "-a" "a24ddd0ff21507e93aa224a7657d91c4c44848863ffdaf8e2af6a1a4b6668b75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a24ddd0ff21507e93aa224a7657d91c4c44848863ffdaf8e2af6a1a4b6668b75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a24ddd0ff21507e93aa224a7657d91c4c44848863ffdaf8e2af6a1a4b6668b75", kill_on_drop: false }`
[INFO] [stdout] a24ddd0ff21507e93aa224a7657d91c4c44848863ffdaf8e2af6a1a4b6668b75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d57c487e29f0891177d923e9bad70764929e13021c917eff6a21875903dfca24
[INFO] running `Command { std: "docker" "start" "-a" "d57c487e29f0891177d923e9bad70764929e13021c917eff6a21875903dfca24", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking art_dice v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/rolls/mod.rs:53:45
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn exactly_n_of(n: usize, symbols: &'a [DieSymbol]) -> RollTarget {
[INFO] [stdout]    |                                             ^^                 ---------- the same lifetime is hidden here
[INFO] [stdout]    |                                             |
[INFO] [stdout]    |                                             the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn exactly_n_of(n: usize, symbols: &'a [DieSymbol]) -> RollTarget<'a> {
[INFO] [stdout]    |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/rolls/mod.rs:61:46
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn at_least_n_of(n: usize, symbols: &'a [DieSymbol]) -> RollTarget {
[INFO] [stdout]    |                                              ^^                 ---------- the same lifetime is hidden here
[INFO] [stdout]    |                                              |
[INFO] [stdout]    |                                              the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn at_least_n_of(n: usize, symbols: &'a [DieSymbol]) -> RollTarget<'a> {
[INFO] [stdout]    |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/rolls/mod.rs:69:45
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn at_most_n_of(n: usize, symbols: &'a [DieSymbol]) -> RollTarget {
[INFO] [stdout]    |                                             ^^                 ---------- the same lifetime is hidden here
[INFO] [stdout]    |                                             |
[INFO] [stdout]    |                                             the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn at_most_n_of(n: usize, symbols: &'a [DieSymbol]) -> RollTarget<'a> {
[INFO] [stdout]    |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/rolls/mod.rs:96:34
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn collect_all(symbols: &'a [DieSymbol]) -> RollCollectionPolicy {
[INFO] [stdout]    |                                  ^^                 -------------------- the same lifetime is hidden here
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn collect_all(symbols: &'a [DieSymbol]) -> RollCollectionPolicy<'a> {
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/rolls/mod.rs:104:49
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn take_highest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy {
[INFO] [stdout]     |                                                 ^^                 -------------------- the same lifetime is hidden here
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn take_highest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy<'a> {
[INFO] [stdout]     |                                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/rolls/mod.rs:112:48
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn take_lowest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy {
[INFO] [stdout]     |                                                ^^                 -------------------- the same lifetime is hidden here
[INFO] [stdout]     |                                                |
[INFO] [stdout]     |                                                the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn take_lowest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy<'a> {
[INFO] [stdout]     |                                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/rolls/mod.rs:120:51
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn remove_highest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy {
[INFO] [stdout]     |                                                   ^^                 -------------------- the same lifetime is hidden here
[INFO] [stdout]     |                                                   |
[INFO] [stdout]     |                                                   the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn remove_highest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy<'a> {
[INFO] [stdout]     |                                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/rolls/mod.rs:128:50
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn remove_lowest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy {
[INFO] [stdout]     |                                                  ^^                 -------------------- the same lifetime is hidden here
[INFO] [stdout]     |                                                  |
[INFO] [stdout]     |                                                  the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn remove_lowest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy<'a> {
[INFO] [stdout]     |                                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/rolls/mod.rs:53:45
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn exactly_n_of(n: usize, symbols: &'a [DieSymbol]) -> RollTarget {
[INFO] [stdout]    |                                             ^^                 ---------- the same lifetime is hidden here
[INFO] [stdout]    |                                             |
[INFO] [stdout]    |                                             the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn exactly_n_of(n: usize, symbols: &'a [DieSymbol]) -> RollTarget<'a> {
[INFO] [stdout]    |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/rolls/mod.rs:61:46
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn at_least_n_of(n: usize, symbols: &'a [DieSymbol]) -> RollTarget {
[INFO] [stdout]    |                                              ^^                 ---------- the same lifetime is hidden here
[INFO] [stdout]    |                                              |
[INFO] [stdout]    |                                              the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn at_least_n_of(n: usize, symbols: &'a [DieSymbol]) -> RollTarget<'a> {
[INFO] [stdout]    |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/rolls/mod.rs:69:45
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn at_most_n_of(n: usize, symbols: &'a [DieSymbol]) -> RollTarget {
[INFO] [stdout]    |                                             ^^                 ---------- the same lifetime is hidden here
[INFO] [stdout]    |                                             |
[INFO] [stdout]    |                                             the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn at_most_n_of(n: usize, symbols: &'a [DieSymbol]) -> RollTarget<'a> {
[INFO] [stdout]    |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/rolls/mod.rs:96:34
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn collect_all(symbols: &'a [DieSymbol]) -> RollCollectionPolicy {
[INFO] [stdout]    |                                  ^^                 -------------------- the same lifetime is hidden here
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn collect_all(symbols: &'a [DieSymbol]) -> RollCollectionPolicy<'a> {
[INFO] [stdout]    |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/rolls/mod.rs:104:49
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn take_highest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy {
[INFO] [stdout]     |                                                 ^^                 -------------------- the same lifetime is hidden here
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn take_highest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy<'a> {
[INFO] [stdout]     |                                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/rolls/mod.rs:112:48
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn take_lowest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy {
[INFO] [stdout]     |                                                ^^                 -------------------- the same lifetime is hidden here
[INFO] [stdout]     |                                                |
[INFO] [stdout]     |                                                the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn take_lowest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy<'a> {
[INFO] [stdout]     |                                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/rolls/mod.rs:120:51
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn remove_highest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy {
[INFO] [stdout]     |                                                   ^^                 -------------------- the same lifetime is hidden here
[INFO] [stdout]     |                                                   |
[INFO] [stdout]     |                                                   the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn remove_highest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy<'a> {
[INFO] [stdout]     |                                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/rolls/mod.rs:128:50
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn remove_lowest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy {
[INFO] [stdout]     |                                                  ^^                 -------------------- the same lifetime is hidden here
[INFO] [stdout]     |                                                  |
[INFO] [stdout]     |                                                  the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn remove_lowest_n_of(n:usize, symbols: &'a [DieSymbol]) -> RollCollectionPolicy<'a> {
[INFO] [stdout]     |                                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `Command { std: "docker" "inspect" "d57c487e29f0891177d923e9bad70764929e13021c917eff6a21875903dfca24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d57c487e29f0891177d923e9bad70764929e13021c917eff6a21875903dfca24", kill_on_drop: false }`
[INFO] [stdout] d57c487e29f0891177d923e9bad70764929e13021c917eff6a21875903dfca24
