[INFO] fetching crate tfmt-macros 0.4.0...
[INFO] testing tfmt-macros-0.4.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate tfmt-macros 0.4.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate tfmt-macros 0.4.0
[INFO] finished tweaking crates.io crate tfmt-macros 0.4.0
[INFO] tweaked toml for crates.io crate tfmt-macros 0.4.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tfmt-macros 0.4.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.117)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2249497f329d42884123e7d75f5fc4b951a5e4e3eef7fb2057060c135680877
[INFO] running `Command { std: "docker" "start" "-a" "c2249497f329d42884123e7d75f5fc4b951a5e4e3eef7fb2057060c135680877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2249497f329d42884123e7d75f5fc4b951a5e4e3eef7fb2057060c135680877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2249497f329d42884123e7d75f5fc4b951a5e4e3eef7fb2057060c135680877", kill_on_drop: false }`
[INFO] [stdout] c2249497f329d42884123e7d75f5fc4b951a5e4e3eef7fb2057060c135680877
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ebdb850cc457dd3337ccb5cb28411b65924c70a7b1f2e24d79b0d62650126af
[INFO] running `Command { std: "docker" "start" "-a" "1ebdb850cc457dd3337ccb5cb28411b65924c70a7b1f2e24d79b0d62650126af", kill_on_drop: false }`
[INFO] [stderr]    Compiling tfmt-macros v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser.rs:59:26
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn unescape(mut literal: &str, span: Span) -> syn::parse::Result<Cow<str>> {
[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]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn unescape(mut literal: &str, span: Span) -> syn::parse::Result<Cow<'_, str>> {
[INFO] [stdout]    |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser.rs:95:27
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn parse(mut literal: &str, span: Span) -> syn::parse::Result<Vec<Piece>> {
[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] 95 | pub fn parse(mut literal: &str, span: Span) -> syn::parse::Result<Vec<Piece<'_>>> {
[INFO] [stdout]    |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser.rs:155:24
[INFO] [stdout]     |
[INFO] [stdout] 155 | fn parse_colon(format: &str, span: Span) -> syn::parse::Result<(Piece, &str)> {
[INFO] [stdout]     |                        ^^^^                                     ^^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]     |                        |                                        |
[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] 155 | fn parse_colon(format: &str, span: Span) -> syn::parse::Result<(Piece<'_>, &str)> {
[INFO] [stdout]     |                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "1ebdb850cc457dd3337ccb5cb28411b65924c70a7b1f2e24d79b0d62650126af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ebdb850cc457dd3337ccb5cb28411b65924c70a7b1f2e24d79b0d62650126af", kill_on_drop: false }`
[INFO] [stdout] 1ebdb850cc457dd3337ccb5cb28411b65924c70a7b1f2e24d79b0d62650126af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0b4e0f36b333465077ab3adee488714be79744f211698e859c977bd9d75fb5c
[INFO] running `Command { std: "docker" "start" "-a" "e0b4e0f36b333465077ab3adee488714be79744f211698e859c977bd9d75fb5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tfmt-macros v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser.rs:59:26
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn unescape(mut literal: &str, span: Span) -> syn::parse::Result<Cow<str>> {
[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]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn unescape(mut literal: &str, span: Span) -> syn::parse::Result<Cow<'_, str>> {
[INFO] [stdout]    |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser.rs:95:27
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn parse(mut literal: &str, span: Span) -> syn::parse::Result<Vec<Piece>> {
[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] 95 | pub fn parse(mut literal: &str, span: Span) -> syn::parse::Result<Vec<Piece<'_>>> {
[INFO] [stdout]    |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser.rs:155:24
[INFO] [stdout]     |
[INFO] [stdout] 155 | fn parse_colon(format: &str, span: Span) -> syn::parse::Result<(Piece, &str)> {
[INFO] [stdout]     |                        ^^^^                                     ^^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]     |                        |                                        |
[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] 155 | fn parse_colon(format: &str, span: Span) -> syn::parse::Result<(Piece<'_>, &str)> {
[INFO] [stdout]     |                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser.rs:59:26
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn unescape(mut literal: &str, span: Span) -> syn::parse::Result<Cow<str>> {
[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]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn unescape(mut literal: &str, span: Span) -> syn::parse::Result<Cow<'_, str>> {
[INFO] [stdout]    |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser.rs:95:27
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn parse(mut literal: &str, span: Span) -> syn::parse::Result<Vec<Piece>> {
[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] 95 | pub fn parse(mut literal: &str, span: Span) -> syn::parse::Result<Vec<Piece<'_>>> {
[INFO] [stdout]    |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser.rs:155:24
[INFO] [stdout]     |
[INFO] [stdout] 155 | fn parse_colon(format: &str, span: Span) -> syn::parse::Result<(Piece, &str)> {
[INFO] [stdout]     |                        ^^^^                                     ^^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]     |                        |                                        |
[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] 155 | fn parse_colon(format: &str, span: Span) -> syn::parse::Result<(Piece<'_>, &str)> {
[INFO] [stdout]     |                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "e0b4e0f36b333465077ab3adee488714be79744f211698e859c977bd9d75fb5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0b4e0f36b333465077ab3adee488714be79744f211698e859c977bd9d75fb5c", kill_on_drop: false }`
[INFO] [stdout] e0b4e0f36b333465077ab3adee488714be79744f211698e859c977bd9d75fb5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9b6856077bc5687de9e7c2f43fa8583d6e5d9d1533008f10c34cab890f353b98
[INFO] running `Command { std: "docker" "start" "-a" "9b6856077bc5687de9e7c2f43fa8583d6e5d9d1533008f10c34cab890f353b98", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/parser.rs:59:26
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn unescape(mut literal: &str, span: Span) -> syn::parse::Result<Cow<str>> {
[INFO] [stderr]    |                          ^^^^ the lifetime is elided here        ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn unescape(mut literal: &str, span: Span) -> syn::parse::Result<Cow<'_, str>> {
[INFO] [stderr]    |                                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/parser.rs:95:27
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub fn parse(mut literal: &str, span: Span) -> syn::parse::Result<Vec<Piece>> {
[INFO] [stderr]    |                           ^^^^ the lifetime is elided here            ^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub fn parse(mut literal: &str, span: Span) -> syn::parse::Result<Vec<Piece<'_>>> {
[INFO] [stderr]    |                                                                            ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/parser.rs:155:24
[INFO] [stderr]     |
[INFO] [stderr] 155 | fn parse_colon(format: &str, span: Span) -> syn::parse::Result<(Piece, &str)> {
[INFO] [stderr]     |                        ^^^^                                     ^^^^^  ^^^^ the same lifetime is elided here
[INFO] [stderr]     |                        |                                        |
[INFO] [stderr]     |                        the lifetime is elided here              the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 155 | fn parse_colon(format: &str, span: Span) -> syn::parse::Result<(Piece<'_>, &str)> {
[INFO] [stderr]     |                                                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `tfmt-macros` (lib) generated 3 warnings (run `cargo fix --lib -p tfmt-macros` to apply 3 suggestions)
[INFO] [stderr] warning: `tfmt-macros` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tfmt_macros-f4d86abe967ace01)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test parser::tests::pieces ... ok
[INFO] [stdout] test parser::tests::unescape ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tfmt_macros
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9b6856077bc5687de9e7c2f43fa8583d6e5d9d1533008f10c34cab890f353b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b6856077bc5687de9e7c2f43fa8583d6e5d9d1533008f10c34cab890f353b98", kill_on_drop: false }`
[INFO] [stdout] 9b6856077bc5687de9e7c2f43fa8583d6e5d9d1533008f10c34cab890f353b98
