[INFO] fetching crate usecop 0.1.0...
[INFO] testing usecop-0.1.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate usecop 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate usecop 0.1.0
[INFO] finished tweaking crates.io crate usecop 0.1.0
[INFO] tweaked toml for crates.io crate usecop 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate usecop 0.1.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate usecop 0.1.0 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 249f564c0f6482ba7948791c00645815c8528bcfdc2105fc91e51f746ffbe41c
[INFO] running `Command { std: "docker" "start" "-a" "249f564c0f6482ba7948791c00645815c8528bcfdc2105fc91e51f746ffbe41c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "249f564c0f6482ba7948791c00645815c8528bcfdc2105fc91e51f746ffbe41c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "249f564c0f6482ba7948791c00645815c8528bcfdc2105fc91e51f746ffbe41c", kill_on_drop: false }`
[INFO] [stdout] 249f564c0f6482ba7948791c00645815c8528bcfdc2105fc91e51f746ffbe41c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23ddfdf87cc527d3fe0a3f4d3baa31819cdd52abc596622bd78fbb09b1e7edd0
[INFO] running `Command { std: "docker" "start" "-a" "23ddfdf87cc527d3fe0a3f4d3baa31819cdd52abc596622bd78fbb09b1e7edd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling dtoa v1.0.9
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr]    Compiling usecop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/proto.rs:255:23
[INFO] [stdout]     |
[INFO] [stdout] 255 |     fn parse_str(msg: &mut str) -> Result<InMsg<'_>> {
[INFO] [stdout]     |                       ^^^^^^^^     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                       |            |            |
[INFO] [stdout]     |                       |            |            the same lifetime is elided here
[INFO] [stdout]     |                       |            the same lifetime is hidden here
[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] 255 |     fn parse_str(msg: &mut str) -> Result<'_, InMsg<'_>> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/node.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn describe(&self) -> ModuleDescription;
[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] 180 |     fn describe(&self) -> ModuleDescription<'_>;
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "23ddfdf87cc527d3fe0a3f4d3baa31819cdd52abc596622bd78fbb09b1e7edd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23ddfdf87cc527d3fe0a3f4d3baa31819cdd52abc596622bd78fbb09b1e7edd0", kill_on_drop: false }`
[INFO] [stdout] 23ddfdf87cc527d3fe0a3f4d3baa31819cdd52abc596622bd78fbb09b1e7edd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fc94cf28db1c88d5676240f358543eb4e4e83d7143d57d3a1b01751592b4ef6
[INFO] running `Command { std: "docker" "start" "-a" "2fc94cf28db1c88d5676240f358543eb4e4e83d7143d57d3a1b01751592b4ef6", kill_on_drop: false }`
[INFO] [stderr]    Compiling usecop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/proto.rs:255:23
[INFO] [stdout]     |
[INFO] [stdout] 255 |     fn parse_str(msg: &mut str) -> Result<InMsg<'_>> {
[INFO] [stdout]     |                       ^^^^^^^^     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                       |            |            |
[INFO] [stdout]     |                       |            |            the same lifetime is elided here
[INFO] [stdout]     |                       |            the same lifetime is hidden here
[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] 255 |     fn parse_str(msg: &mut str) -> Result<'_, InMsg<'_>> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/node.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn describe(&self) -> ModuleDescription;
[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] 180 |     fn describe(&self) -> ModuleDescription<'_>;
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/proto.rs:255:23
[INFO] [stdout]     |
[INFO] [stdout] 255 |     fn parse_str(msg: &mut str) -> Result<InMsg<'_>> {
[INFO] [stdout]     |                       ^^^^^^^^     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                       |            |            |
[INFO] [stdout]     |                       |            |            the same lifetime is elided here
[INFO] [stdout]     |                       |            the same lifetime is hidden here
[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] 255 |     fn parse_str(msg: &mut str) -> Result<'_, InMsg<'_>> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/node.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn describe(&self) -> ModuleDescription;
[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] 180 |     fn describe(&self) -> ModuleDescription<'_>;
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "2fc94cf28db1c88d5676240f358543eb4e4e83d7143d57d3a1b01751592b4ef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fc94cf28db1c88d5676240f358543eb4e4e83d7143d57d3a1b01751592b4ef6", kill_on_drop: false }`
[INFO] [stdout] 2fc94cf28db1c88d5676240f358543eb4e4e83d7143d57d3a1b01751592b4ef6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c459fb9fa8d274d403566ab8d885fd93c4082cd98f6ca45302910af3a2a829c
[INFO] running `Command { std: "docker" "start" "-a" "8c459fb9fa8d274d403566ab8d885fd93c4082cd98f6ca45302910af3a2a829c", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/proto.rs:255:23
[INFO] [stderr]     |
[INFO] [stderr] 255 |     fn parse_str(msg: &mut str) -> Result<InMsg<'_>> {
[INFO] [stderr]     |                       ^^^^^^^^     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                       |            |            |
[INFO] [stderr]     |                       |            |            the same lifetime is elided here
[INFO] [stderr]     |                       |            the same lifetime is hidden here
[INFO] [stderr]     |                       the lifetime is elided 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] 255 |     fn parse_str(msg: &mut str) -> Result<'_, InMsg<'_>> {
[INFO] [stderr]     |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/node.rs:180:17
[INFO] [stderr]     |
[INFO] [stderr] 180 |     fn describe(&self) -> ModuleDescription;
[INFO] [stderr]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided 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] 180 |     fn describe(&self) -> ModuleDescription<'_>;
[INFO] [stderr]     |                                            ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `usecop` (lib) generated 2 warnings (run `cargo fix --lib -p usecop` to apply 2 suggestions)
[INFO] [stderr] warning: `usecop` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/usecop-23d07c7e5115c669)
[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] [stderr]    Doc-tests usecop
[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" "8c459fb9fa8d274d403566ab8d885fd93c4082cd98f6ca45302910af3a2a829c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c459fb9fa8d274d403566ab8d885fd93c4082cd98f6ca45302910af3a2a829c", kill_on_drop: false }`
[INFO] [stdout] 8c459fb9fa8d274d403566ab8d885fd93c4082cd98f6ca45302910af3a2a829c
