[INFO] fetching crate rivia 0.2.10... [INFO] checking rivia-0.2.10 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3 [INFO] extracting crate rivia 0.2.10 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate rivia 0.2.10 [INFO] finished tweaking crates.io crate rivia 0.2.10 [INFO] tweaked toml for crates.io crate rivia 0.2.10 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rivia 0.2.10 on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate rivia 0.2.10 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d9e2b8beab292dcef65d715797898d100d5a35ba8e0bd2efabc46755a60accf4 [INFO] running `Command { std: "docker" "start" "-a" "d9e2b8beab292dcef65d715797898d100d5a35ba8e0bd2efabc46755a60accf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d9e2b8beab292dcef65d715797898d100d5a35ba8e0bd2efabc46755a60accf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9e2b8beab292dcef65d715797898d100d5a35ba8e0bd2efabc46755a60accf4", kill_on_drop: false }` [INFO] [stdout] d9e2b8beab292dcef65d715797898d100d5a35ba8e0bd2efabc46755a60accf4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 644fc5d970e71a047a7d50f6d92095b7b92dce81b2f5dc01dac56cb880aa4d31 [INFO] running `Command { std: "docker" "start" "-a" "644fc5d970e71a047a7d50f6d92095b7b92dce81b2f5dc01dac56cb880aa4d31", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Checking either v1.12.0 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking nix v0.23.2 [INFO] [stderr] Checking rivia v0.2.10 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `trying` [INFO] [stdout] --> src/sys/fs/entries.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | trying, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `trying` [INFO] [stdout] --> src/sys/fs/stdfs/entry.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | trying, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/sys/fs/memfs/vfs.rs:175:17 [INFO] [stdout] | [INFO] [stdout] 175 | if path.is_empty() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `sys::fs::path::PathExt::is_empty(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default [INFO] [stdout] help: add `#![feature(path_is_empty)]` to the crate attributes to enable `Path::is_empty` [INFO] [stdout] --> src/lib.rs:61:1 [INFO] [stdout] | [INFO] [stdout] 61 + #![feature(path_is_empty)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/sys/fs/memfs/vfs.rs:152:30 [INFO] [stdout] | [INFO] [stdout] 152 | pub(crate) fn read_guard(&self) -> MemfsGuard { [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] 152 | pub(crate) fn read_guard(&self) -> MemfsGuard<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/sys/fs/memfs/vfs.rs:157:31 [INFO] [stdout] | [INFO] [stdout] 157 | pub(crate) fn write_guard(&self) -> MemfsGuard { [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] 157 | pub(crate) fn write_guard(&self) -> MemfsGuard<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `trying` [INFO] [stdout] --> src/sys/fs/entries.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | trying, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `trying` [INFO] [stdout] --> src/sys/fs/stdfs/entry.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | trying, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/core/string.rs:202:26 [INFO] [stdout] | [INFO] [stdout] 202 | assert_eq!("foo".trim_suffix("boo"), "foo"); // no change [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `core::string::StringExt::trim_suffix(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default [INFO] [stdout] help: add `#![feature(trim_prefix_suffix)]` to the crate attributes to enable `core::str::::trim_suffix` [INFO] [stdout] --> src/lib.rs:61:1 [INFO] [stdout] | [INFO] [stdout] 61 + #![feature(trim_prefix_suffix)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/core/string.rs:203:26 [INFO] [stdout] | [INFO] [stdout] 203 | assert_eq!("foo".trim_suffix("oo"), "f"); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `core::string::StringExt::trim_suffix(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(trim_prefix_suffix)]` to the crate attributes to enable `core::str::::trim_suffix` [INFO] [stdout] --> src/lib.rs:61:1 [INFO] [stdout] | [INFO] [stdout] 61 + #![feature(trim_prefix_suffix)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/core/string.rs:204:26 [INFO] [stdout] | [INFO] [stdout] 204 | assert_eq!("ƒoo".trim_suffix("o"), "ƒo"); // fancy f! [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `core::string::StringExt::trim_suffix(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(trim_prefix_suffix)]` to the crate attributes to enable `core::str::::trim_suffix` [INFO] [stdout] --> src/lib.rs:61:1 [INFO] [stdout] | [INFO] [stdout] 61 + #![feature(trim_prefix_suffix)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/sys/fs/memfs/vfs.rs:175:17 [INFO] [stdout] | [INFO] [stdout] 175 | if path.is_empty() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `sys::fs::path::PathExt::is_empty(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(path_is_empty)]` to the crate attributes to enable `std::path::Path::is_empty` [INFO] [stdout] --> src/lib.rs:61:1 [INFO] [stdout] | [INFO] [stdout] 61 + #![feature(path_is_empty)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/sys/fs/path.rs:1255:35 [INFO] [stdout] | [INFO] [stdout] 1255 | assert_eq!(Path::new("/").is_empty(), false); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `sys::fs::path::PathExt::is_empty(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(path_is_empty)]` to the crate attributes to enable `std::path::Path::is_empty` [INFO] [stdout] --> src/lib.rs:61:1 [INFO] [stdout] | [INFO] [stdout] 61 + #![feature(path_is_empty)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/sys/fs/path.rs:1256:34 [INFO] [stdout] | [INFO] [stdout] 1256 | assert_eq!(Path::new("").is_empty(), true); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `sys::fs::path::PathExt::is_empty(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(path_is_empty)]` to the crate attributes to enable `std::path::Path::is_empty` [INFO] [stdout] --> src/lib.rs:61:1 [INFO] [stdout] | [INFO] [stdout] 61 + #![feature(path_is_empty)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/sys/fs/path.rs:1257:38 [INFO] [stdout] | [INFO] [stdout] 1257 | assert_eq!(PathBuf::from("").is_empty(), true); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `sys::fs::path::PathExt::is_empty(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(path_is_empty)]` to the crate attributes to enable `std::path::Path::is_empty` [INFO] [stdout] --> src/lib.rs:61:1 [INFO] [stdout] | [INFO] [stdout] 61 + #![feature(path_is_empty)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/sys/fs/memfs/vfs.rs:152:30 [INFO] [stdout] | [INFO] [stdout] 152 | pub(crate) fn read_guard(&self) -> MemfsGuard { [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] 152 | pub(crate) fn read_guard(&self) -> MemfsGuard<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/sys/fs/memfs/vfs.rs:157:31 [INFO] [stdout] | [INFO] [stdout] 157 | pub(crate) fn write_guard(&self) -> MemfsGuard { [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] 157 | pub(crate) fn write_guard(&self) -> MemfsGuard<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.65s [INFO] running `Command { std: "docker" "inspect" "644fc5d970e71a047a7d50f6d92095b7b92dce81b2f5dc01dac56cb880aa4d31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "644fc5d970e71a047a7d50f6d92095b7b92dce81b2f5dc01dac56cb880aa4d31", kill_on_drop: false }` [INFO] [stdout] 644fc5d970e71a047a7d50f6d92095b7b92dce81b2f5dc01dac56cb880aa4d31