[INFO] fetching crate quotemeta 0.1.2...
[INFO] building quotemeta-0.1.2 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate quotemeta 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate quotemeta 0.1.2
[INFO] finished tweaking crates.io crate quotemeta 0.1.2
[INFO] tweaked toml for crates.io crate quotemeta 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate quotemeta 0.1.2 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate quotemeta 0.1.2 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 847b108ef9659bc89eeab38a36766df2d77b3c96e00b4dca7a496de3e39cc1b6
[INFO] running `Command { std: "docker" "start" "-a" "847b108ef9659bc89eeab38a36766df2d77b3c96e00b4dca7a496de3e39cc1b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "847b108ef9659bc89eeab38a36766df2d77b3c96e00b4dca7a496de3e39cc1b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "847b108ef9659bc89eeab38a36766df2d77b3c96e00b4dca7a496de3e39cc1b6", kill_on_drop: false }`
[INFO] [stdout] 847b108ef9659bc89eeab38a36766df2d77b3c96e00b4dca7a496de3e39cc1b6
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd060acd1092d6a4ec8adb02f1cf237fbfbeb1167d036b3ae380cd7c12f84095
[INFO] running `Command { std: "docker" "start" "-a" "cd060acd1092d6a4ec8adb02f1cf237fbfbeb1167d036b3ae380cd7c12f84095", kill_on_drop: false }`
[INFO] [stderr]    Compiling quotemeta v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:86:23
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn quotemeta_inner(s: &[u8]) -> Cow<str> {
[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] 86 | fn quotemeta_inner(s: &[u8]) -> Cow<'_, str> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:154:50
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub fn quotemeta<P: AsRef<OsStr> + ?Sized>(path: &P) -> Cow<str> {
[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] 154 | pub fn quotemeta<P: AsRef<OsStr> + ?Sized>(path: &P) -> Cow<'_, str> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:160:29
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn unquotemeta_inner(mut s: &[u8]) -> Cow<[u8]> {
[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] 160 | fn unquotemeta_inner(mut s: &[u8]) -> Cow<'_, [u8]> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:236:50
[INFO] [stdout]     |
[INFO] [stdout] 236 | pub fn unquotemeta<P: AsRef<[u8]> + ?Sized>(buf: &P) -> Cow<OsStr> {
[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] 236 | pub fn unquotemeta<P: AsRef<[u8]> + ?Sized>(buf: &P) -> Cow<'_, OsStr> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "cd060acd1092d6a4ec8adb02f1cf237fbfbeb1167d036b3ae380cd7c12f84095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd060acd1092d6a4ec8adb02f1cf237fbfbeb1167d036b3ae380cd7c12f84095", kill_on_drop: false }`
[INFO] [stdout] cd060acd1092d6a4ec8adb02f1cf237fbfbeb1167d036b3ae380cd7c12f84095
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e907538843d7239b585f77906e513c775ab9a2a9566760d868504b39e5d8947
[INFO] running `Command { std: "docker" "start" "-a" "3e907538843d7239b585f77906e513c775ab9a2a9566760d868504b39e5d8947", kill_on_drop: false }`
[INFO] [stderr]    Compiling quotemeta v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:86:23
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn quotemeta_inner(s: &[u8]) -> Cow<str> {
[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] 86 | fn quotemeta_inner(s: &[u8]) -> Cow<'_, str> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:154:50
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub fn quotemeta<P: AsRef<OsStr> + ?Sized>(path: &P) -> Cow<str> {
[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] 154 | pub fn quotemeta<P: AsRef<OsStr> + ?Sized>(path: &P) -> Cow<'_, str> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:160:29
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn unquotemeta_inner(mut s: &[u8]) -> Cow<[u8]> {
[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] 160 | fn unquotemeta_inner(mut s: &[u8]) -> Cow<'_, [u8]> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:236:50
[INFO] [stdout]     |
[INFO] [stdout] 236 | pub fn unquotemeta<P: AsRef<[u8]> + ?Sized>(buf: &P) -> Cow<OsStr> {
[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] 236 | pub fn unquotemeta<P: AsRef<[u8]> + ?Sized>(buf: &P) -> Cow<'_, OsStr> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::Cow`
[INFO] [stdout]  --> tests/tests.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     borrow::Cow,
[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 macro definition: `unquotemeta_types`
[INFO] [stdout]   --> tests/tests.rs:45:18
[INFO] [stdout]    |
[INFO] [stdout] 45 |     macro_rules! unquotemeta_types {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:86:23
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn quotemeta_inner(s: &[u8]) -> Cow<str> {
[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] 86 | fn quotemeta_inner(s: &[u8]) -> Cow<'_, str> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:154:50
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub fn quotemeta<P: AsRef<OsStr> + ?Sized>(path: &P) -> Cow<str> {
[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] 154 | pub fn quotemeta<P: AsRef<OsStr> + ?Sized>(path: &P) -> Cow<'_, str> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:160:29
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn unquotemeta_inner(mut s: &[u8]) -> Cow<[u8]> {
[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] 160 | fn unquotemeta_inner(mut s: &[u8]) -> Cow<'_, [u8]> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:236:50
[INFO] [stdout]     |
[INFO] [stdout] 236 | pub fn unquotemeta<P: AsRef<[u8]> + ?Sized>(buf: &P) -> Cow<OsStr> {
[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] 236 | pub fn unquotemeta<P: AsRef<[u8]> + ?Sized>(buf: &P) -> Cow<'_, OsStr> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "3e907538843d7239b585f77906e513c775ab9a2a9566760d868504b39e5d8947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e907538843d7239b585f77906e513c775ab9a2a9566760d868504b39e5d8947", kill_on_drop: false }`
[INFO] [stdout] 3e907538843d7239b585f77906e513c775ab9a2a9566760d868504b39e5d8947