[INFO] fetching crate symexpr 0.3.0...
[INFO] testing symexpr-0.3.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate symexpr 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate symexpr 0.3.0
[INFO] finished tweaking crates.io crate symexpr 0.3.0
[INFO] tweaked toml for crates.io crate symexpr 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate symexpr 0.3.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate symexpr 0.3.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9163a18565484c34a5bf9af1bcacd947dc9c6f097b0bdb24bfdc495caa6dc13
[INFO] running `Command { std: "docker" "start" "-a" "d9163a18565484c34a5bf9af1bcacd947dc9c6f097b0bdb24bfdc495caa6dc13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9163a18565484c34a5bf9af1bcacd947dc9c6f097b0bdb24bfdc495caa6dc13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9163a18565484c34a5bf9af1bcacd947dc9c6f097b0bdb24bfdc495caa6dc13", kill_on_drop: false }`
[INFO] [stdout] d9163a18565484c34a5bf9af1bcacd947dc9c6f097b0bdb24bfdc495caa6dc13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff2a1b103562fbba0b0d7f42fc640fe187998f3334f7a20b5d443aed01b98ef5
[INFO] running `Command { std: "docker" "start" "-a" "ff2a1b103562fbba0b0d7f42fc640fe187998f3334f7a20b5d443aed01b98ef5", kill_on_drop: false }`
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling symbol_table v0.4.0
[INFO] [stderr]    Compiling symexpr v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.13s
[INFO] running `Command { std: "docker" "inspect" "ff2a1b103562fbba0b0d7f42fc640fe187998f3334f7a20b5d443aed01b98ef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff2a1b103562fbba0b0d7f42fc640fe187998f3334f7a20b5d443aed01b98ef5", kill_on_drop: false }`
[INFO] [stdout] ff2a1b103562fbba0b0d7f42fc640fe187998f3334f7a20b5d443aed01b98ef5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97ae98f77a4be164109a6b4929368002d44ee7b1f0b38cc3877027b12f94ba37
[INFO] running `Command { std: "docker" "start" "-a" "97ae98f77a4be164109a6b4929368002d44ee7b1f0b38cc3877027b12f94ba37", kill_on_drop: false }`
[INFO] [stderr]    Compiling symexpr v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `Command { std: "docker" "inspect" "97ae98f77a4be164109a6b4929368002d44ee7b1f0b38cc3877027b12f94ba37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97ae98f77a4be164109a6b4929368002d44ee7b1f0b38cc3877027b12f94ba37", kill_on_drop: false }`
[INFO] [stdout] 97ae98f77a4be164109a6b4929368002d44ee7b1f0b38cc3877027b12f94ba37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b051edc62244701c2eaaa2326aaf55ab485c054e3f3b59cc6a1caeda79dfb0d6
[INFO] running `Command { std: "docker" "start" "-a" "b051edc62244701c2eaaa2326aaf55ab485c054e3f3b59cc6a1caeda79dfb0d6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/symexpr-f45729bbc3c10e03)
[INFO] [stderr]    Doc-tests symexpr
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "b051edc62244701c2eaaa2326aaf55ab485c054e3f3b59cc6a1caeda79dfb0d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b051edc62244701c2eaaa2326aaf55ab485c054e3f3b59cc6a1caeda79dfb0d6", kill_on_drop: false }`
[INFO] [stdout] b051edc62244701c2eaaa2326aaf55ab485c054e3f3b59cc6a1caeda79dfb0d6