[INFO] crate functiontrace-server 0.1.2 is already in cache
[INFO] testing functiontrace-server-0.1.2 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate functiontrace-server 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate functiontrace-server 0.1.2 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate functiontrace-server 0.1.2
[INFO] finished tweaking crates.io crate functiontrace-server 0.1.2
[INFO] tweaked toml for crates.io crate functiontrace-server 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate functiontrace-server 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stdout] 94749ec57c3ff1e79857d5ccd0f02f43c14dc1008bd0464148fd745e34d01162
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "94749ec57c3ff1e79857d5ccd0f02f43c14dc1008bd0464148fd745e34d01162"`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling bytesize v1.0.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rmp v0.8.9
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling paste-impl v0.1.10
[INFO] [stderr]    Compiling serde_repr v0.1.5
[INFO] [stderr]    Compiling paste v0.1.10
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling rmp-serde v0.14.3
[INFO] [stderr]    Compiling functiontrace-server v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `GarbageCollection`
[INFO] [stderr]   --> src/profile_generator.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     GarbageCollection,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `"docker" "inspect" "94749ec57c3ff1e79857d5ccd0f02f43c14dc1008bd0464148fd745e34d01162"`
[INFO] running `"docker" "rm" "-f" "94749ec57c3ff1e79857d5ccd0f02f43c14dc1008bd0464148fd745e34d01162"`
[INFO] [stdout] 94749ec57c3ff1e79857d5ccd0f02f43c14dc1008bd0464148fd745e34d01162
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4500ec8b5c8fdbd281cb6c7a8b957c7f5ed810229ee9497a9e3a4f7b9258a869
[INFO] running `"docker" "start" "-a" "4500ec8b5c8fdbd281cb6c7a8b957c7f5ed810229ee9497a9e3a4f7b9258a869"`
[INFO] [stderr]    Compiling functiontrace-server v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `GarbageCollection`
[INFO] [stderr]   --> src/profile_generator.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     GarbageCollection,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GarbageCollection`
[INFO] [stderr]   --> src/profile_generator.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     GarbageCollection,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `"docker" "inspect" "4500ec8b5c8fdbd281cb6c7a8b957c7f5ed810229ee9497a9e3a4f7b9258a869"`
[INFO] running `"docker" "rm" "-f" "4500ec8b5c8fdbd281cb6c7a8b957c7f5ed810229ee9497a9e3a4f7b9258a869"`
[INFO] [stdout] 4500ec8b5c8fdbd281cb6c7a8b957c7f5ed810229ee9497a9e3a4f7b9258a869
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] afc3ac8b2ffc40a5e3264fb82f9dea49bf451fc36b5f721f5a63005bb23e5af6
[INFO] running `"docker" "start" "-a" "afc3ac8b2ffc40a5e3264fb82f9dea49bf451fc36b5f721f5a63005bb23e5af6"`
[INFO] [stderr] warning: variant is never constructed: `GarbageCollection`
[INFO] [stderr]   --> src/profile_generator.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     GarbageCollection,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GarbageCollection`
[INFO] [stderr]   --> src/profile_generator.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     GarbageCollection,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/functiontrace_server-6006966d5e527142
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/functiontrace_server-53245772000cbc8b
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests functiontrace-server
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "afc3ac8b2ffc40a5e3264fb82f9dea49bf451fc36b5f721f5a63005bb23e5af6"`
[INFO] running `"docker" "rm" "-f" "afc3ac8b2ffc40a5e3264fb82f9dea49bf451fc36b5f721f5a63005bb23e5af6"`
[INFO] [stdout] afc3ac8b2ffc40a5e3264fb82f9dea49bf451fc36b5f721f5a63005bb23e5af6