[INFO] fetching crate fern-vm 0.0.0...
[INFO] testing fern-vm-0.0.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate fern-vm 0.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate fern-vm 0.0.0
[INFO] finished tweaking crates.io crate fern-vm 0.0.0
[INFO] tweaked toml for crates.io crate fern-vm 0.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fern-vm 0.0.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fern-vm 0.0.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b227c6ee8747e2d6d8bda5ab1a64ea39d24d42fabd3944ad00c62a10e3f5e95d
[INFO] running `Command { std: "docker" "start" "-a" "b227c6ee8747e2d6d8bda5ab1a64ea39d24d42fabd3944ad00c62a10e3f5e95d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b227c6ee8747e2d6d8bda5ab1a64ea39d24d42fabd3944ad00c62a10e3f5e95d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b227c6ee8747e2d6d8bda5ab1a64ea39d24d42fabd3944ad00c62a10e3f5e95d", kill_on_drop: false }`
[INFO] [stdout] b227c6ee8747e2d6d8bda5ab1a64ea39d24d42fabd3944ad00c62a10e3f5e95d
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c28f8e284446fd0a67defab6b5f25c4477431e78d2d01f23501e19f39b832b1
[INFO] running `Command { std: "docker" "start" "-a" "4c28f8e284446fd0a67defab6b5f25c4477431e78d2d01f23501e19f39b832b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling fern-enum-tags v0.0.0
[INFO] [stderr]    Compiling fern-vm v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.36s
[INFO] running `Command { std: "docker" "inspect" "4c28f8e284446fd0a67defab6b5f25c4477431e78d2d01f23501e19f39b832b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c28f8e284446fd0a67defab6b5f25c4477431e78d2d01f23501e19f39b832b1", kill_on_drop: false }`
[INFO] [stdout] 4c28f8e284446fd0a67defab6b5f25c4477431e78d2d01f23501e19f39b832b1
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd7705e5d89dd97b75f203c01a2f26059aab9f8bad281b5a454fc01f38d738f4
[INFO] running `Command { std: "docker" "start" "-a" "bd7705e5d89dd97b75f203c01a2f26059aab9f8bad281b5a454fc01f38d738f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling fern-vm v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "bd7705e5d89dd97b75f203c01a2f26059aab9f8bad281b5a454fc01f38d738f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd7705e5d89dd97b75f203c01a2f26059aab9f8bad281b5a454fc01f38d738f4", kill_on_drop: false }`
[INFO] [stdout] bd7705e5d89dd97b75f203c01a2f26059aab9f8bad281b5a454fc01f38d738f4
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5d2ad7cb09ff8ce8a615d3979c34b51ca31c06aac6cf686b83c4dd6869bb769d
[INFO] running `Command { std: "docker" "start" "-a" "5d2ad7cb09ff8ce8a615d3979c34b51ca31c06aac6cf686b83c4dd6869bb769d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fern_vm-983b4d5741bdb100)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test opcode::tests::encodes_correctly ... ok
[INFO] [stdout] test vm::tests::basic_program ... ok
[INFO] [stdout] test vm::tests::call_neg_offset ... ok
[INFO] [stdout] test vm::tests::call_return ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fern_vm-262d7e729e15633d)
[INFO] [stderr]    Doc-tests fern_vm
[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] [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" "5d2ad7cb09ff8ce8a615d3979c34b51ca31c06aac6cf686b83c4dd6869bb769d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d2ad7cb09ff8ce8a615d3979c34b51ca31c06aac6cf686b83c4dd6869bb769d", kill_on_drop: false }`
[INFO] [stdout] 5d2ad7cb09ff8ce8a615d3979c34b51ca31c06aac6cf686b83c4dd6869bb769d