[INFO] fetching crate ziptree 0.1.1... [INFO] checking ziptree-0.1.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate ziptree 0.1.1 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate ziptree 0.1.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ziptree 0.1.1 [INFO] finished tweaking crates.io crate ziptree 0.1.1 [INFO] tweaked toml for crates.io crate ziptree 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 21 packages to latest compatible versions [INFO] [stderr] Adding autocfg v0.1.8 (latest: v1.3.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding rand v0.6.5 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.1.1 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.1.0 (latest: v0.3.2) [INFO] [stderr] Adding rand_isaac v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rand_jitter v0.1.4 (latest: v0.4.0) [INFO] [stderr] Adding rand_os v0.1.3 (latest: v0.2.2) [INFO] [stderr] Adding rand_pcg v0.1.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_xorshift v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 27605d9721e265cf99714be65f05261b12843713a78e7dc654c93685a5a5632b [INFO] running `Command { std: "docker" "start" "-a" "27605d9721e265cf99714be65f05261b12843713a78e7dc654c93685a5a5632b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "27605d9721e265cf99714be65f05261b12843713a78e7dc654c93685a5a5632b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27605d9721e265cf99714be65f05261b12843713a78e7dc654c93685a5a5632b", kill_on_drop: false }` [INFO] [stdout] 27605d9721e265cf99714be65f05261b12843713a78e7dc654c93685a5a5632b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7dc842970f600e865281578f6317009f9592902cdc2502643a8ce59710c1927c [INFO] running `Command { std: "docker" "start" "-a" "7dc842970f600e865281578f6317009f9592902cdc2502643a8ce59710c1927c", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking ziptree v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `greater` [INFO] [stdout] --> src/lib.rs:422:34 [INFO] [stdout] | [INFO] [stdout] 422 | ... Some(greater) => { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_greater` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tree` is never read [INFO] [stdout] --> src/lib.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 29 | pub struct Iter<'a, K: 'a, V: 'a> { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 30 | tree: &'a ZipTree, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Iter` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tree` is never read [INFO] [stdout] --> src/lib.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 36 | pub struct IterMut<'a, K: 'a, V: 'a> { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 37 | tree: &'a mut ZipTree, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tree` is never read [INFO] [stdout] --> src/lib.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 44 | pub struct Keys<'a, K: 'a, V: 'a> { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 45 | tree: &'a ZipTree, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Keys` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tree` is never read [INFO] [stdout] --> src/lib.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 52 | pub struct Values<'a, K: 'a, V: 'a> { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 53 | tree: &'a ZipTree, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Values` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tree` is never read [INFO] [stdout] --> src/lib.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 59 | pub struct ValuesMut<'a, K: 'a, V: 'a> { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 60 | tree: &'a mut ZipTree, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `dump` is never used [INFO] [stdout] --> src/lib.rs:534:8 [INFO] [stdout] | [INFO] [stdout] 101 | / impl ZipTree where [INFO] [stdout] 102 | | K: Ord, [INFO] [stdout] | |___________- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 534 | fn dump(&self) where [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `greater` [INFO] [stdout] --> src/lib.rs:422:34 [INFO] [stdout] | [INFO] [stdout] 422 | ... Some(greater) => { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_greater` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tree` is never read [INFO] [stdout] --> src/lib.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 29 | pub struct Iter<'a, K: 'a, V: 'a> { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 30 | tree: &'a ZipTree, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Iter` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tree` is never read [INFO] [stdout] --> src/lib.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 36 | pub struct IterMut<'a, K: 'a, V: 'a> { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 37 | tree: &'a mut ZipTree, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tree` is never read [INFO] [stdout] --> src/lib.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 44 | pub struct Keys<'a, K: 'a, V: 'a> { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 45 | tree: &'a ZipTree, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Keys` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tree` is never read [INFO] [stdout] --> src/lib.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 52 | pub struct Values<'a, K: 'a, V: 'a> { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 53 | tree: &'a ZipTree, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Values` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tree` is never read [INFO] [stdout] --> src/lib.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 59 | pub struct ValuesMut<'a, K: 'a, V: 'a> { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 60 | tree: &'a mut ZipTree, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `dump` is never used [INFO] [stdout] --> src/lib.rs:534:8 [INFO] [stdout] | [INFO] [stdout] 101 | / impl ZipTree where [INFO] [stdout] 102 | | K: Ord, [INFO] [stdout] | |___________- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 534 | fn dump(&self) where [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `HashMap` [INFO] [stdout] --> tests/simple.rs:2:24 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::{HashMap, BTreeMap}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.55s [INFO] running `Command { std: "docker" "inspect" "7dc842970f600e865281578f6317009f9592902cdc2502643a8ce59710c1927c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7dc842970f600e865281578f6317009f9592902cdc2502643a8ce59710c1927c", kill_on_drop: false }` [INFO] [stdout] 7dc842970f600e865281578f6317009f9592902cdc2502643a8ce59710c1927c