[INFO] fetching crate tree-flat 0.1.3... [INFO] testing tree-flat-0.1.3 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate tree-flat 0.1.3 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate tree-flat 0.1.3 [INFO] finished tweaking crates.io crate tree-flat 0.1.3 [INFO] tweaked toml for crates.io crate tree-flat 0.1.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate tree-flat 0.1.3 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate tree-flat 0.1.3 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 937418626c43c8440c6943b35789953720be5d82ee25f57eca35a9260c50eb8a [INFO] running `Command { std: "docker" "start" "-a" "937418626c43c8440c6943b35789953720be5d82ee25f57eca35a9260c50eb8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "937418626c43c8440c6943b35789953720be5d82ee25f57eca35a9260c50eb8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "937418626c43c8440c6943b35789953720be5d82ee25f57eca35a9260c50eb8a", kill_on_drop: false }` [INFO] [stdout] 937418626c43c8440c6943b35789953720be5d82ee25f57eca35a9260c50eb8a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b249e2adb2c3e51895a2985736cab39dd7918ede9831bac5a3a2e45edacbc499 [INFO] running `Command { std: "docker" "start" "-a" "b249e2adb2c3e51895a2985736cab39dd7918ede9831bac5a3a2e45edacbc499", kill_on_drop: false }` [INFO] [stderr] Compiling tree-flat v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/node.rs:139:17 [INFO] [stdout] | [INFO] [stdout] 139 | pub fn push(&mut self, data: T) -> TreeMut [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided 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: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 139 | pub fn push(&mut self, data: T) -> TreeMut<'_, T> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/tree.rs:186:30 [INFO] [stdout] | [INFO] [stdout] 186 | pub(crate) fn _make_node(&self, id: NodeId) -> Node { [INFO] [stdout] | ^^^^^ ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 186 | pub(crate) fn _make_node(&self, id: NodeId) -> Node<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/tree.rs:194:34 [INFO] [stdout] | [INFO] [stdout] 194 | pub(crate) fn _make_node_mut(&mut self, id: NodeId) -> NodeMut { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 194 | pub(crate) fn _make_node_mut(&mut self, id: NodeId) -> NodeMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/tree.rs:201:34 [INFO] [stdout] | [INFO] [stdout] 201 | pub(crate) fn _make_tree_mut(&mut self, id: NodeId, parent: NodeId) -> TreeMut { [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 201 | pub(crate) fn _make_tree_mut(&mut self, id: NodeId, parent: NodeId) -> TreeMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/tree.rs:285:26 [INFO] [stdout] | [INFO] [stdout] 285 | pub fn tree_root_mut(&mut self) -> TreeMut { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 285 | pub fn tree_root_mut(&mut self) -> TreeMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/tree.rs:290:26 [INFO] [stdout] | [INFO] [stdout] 290 | pub fn tree_node_mut(&mut self, id: NodeId) -> Option> { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 290 | pub fn tree_node_mut(&mut self, id: NodeId) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/tree.rs:299:17 [INFO] [stdout] | [INFO] [stdout] 299 | pub fn node(&self, id: NodeId) -> Option> { [INFO] [stdout] | ^^^^^ ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 299 | pub fn node(&self, id: NodeId) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/tree.rs:308:17 [INFO] [stdout] | [INFO] [stdout] 308 | pub fn root(&self) -> Node { [INFO] [stdout] | ^^^^^ ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 308 | pub fn root(&self) -> Node<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/tree.rs:313:21 [INFO] [stdout] | [INFO] [stdout] 313 | pub fn node_mut(&mut self, id: NodeId) -> Option> { [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 313 | pub fn node_mut(&mut self, id: NodeId) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/tree.rs:331:22 [INFO] [stdout] | [INFO] [stdout] 331 | pub fn into_iter(&self) -> IntoIter { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 331 | pub fn into_iter(&self) -> IntoIter<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "b249e2adb2c3e51895a2985736cab39dd7918ede9831bac5a3a2e45edacbc499", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b249e2adb2c3e51895a2985736cab39dd7918ede9831bac5a3a2e45edacbc499", kill_on_drop: false }` [INFO] [stdout] b249e2adb2c3e51895a2985736cab39dd7918ede9831bac5a3a2e45edacbc499 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fd225d8fc2a49b033940e018f71580c55fcf4c09026ec5b6a588a4d1c2c5edfd [INFO] running `Command { std: "docker" "start" "-a" "fd225d8fc2a49b033940e018f71580c55fcf4c09026ec5b6a588a4d1c2c5edfd", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling plotters-backend v0.3.4 [INFO] [stderr] Compiling ciborium-io v0.2.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling half v1.8.2 [INFO] [stderr] Compiling os_str_bytes v6.3.1 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling cast v0.3.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling itertools v0.10.3 [INFO] [stderr] Compiling textwrap v0.16.0 [INFO] [stderr] Compiling ciborium-ll v0.2.0 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/half-b57b44b63c8ec328.d [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No such file or directory (os error 2) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "fd225d8fc2a49b033940e018f71580c55fcf4c09026ec5b6a588a4d1c2c5edfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd225d8fc2a49b033940e018f71580c55fcf4c09026ec5b6a588a4d1c2c5edfd", kill_on_drop: false }` [INFO] [stdout] fd225d8fc2a49b033940e018f71580c55fcf4c09026ec5b6a588a4d1c2c5edfd