[INFO] cloning repository https://github.com/rtroxler/assembler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rtroxler/assembler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frtroxler%2Fassembler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frtroxler%2Fassembler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c493fd729170dfba6856537bd71d0b4cc3c5a3b
[INFO] testing rtroxler/assembler against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frtroxler%2Fassembler" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rtroxler/assembler on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rtroxler/assembler
[INFO] finished tweaking git repo https://github.com/rtroxler/assembler
[INFO] tweaked toml for git repo https://github.com/rtroxler/assembler written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/rtroxler/assembler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e75c63ef76f4df4f514a7f8d72db5ac0cfc0784d7744809ccb80f0f8022450e1
[INFO] running `Command { std: "docker" "start" "-a" "e75c63ef76f4df4f514a7f8d72db5ac0cfc0784d7744809ccb80f0f8022450e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e75c63ef76f4df4f514a7f8d72db5ac0cfc0784d7744809ccb80f0f8022450e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e75c63ef76f4df4f514a7f8d72db5ac0cfc0784d7744809ccb80f0f8022450e1", kill_on_drop: false }`
[INFO] [stdout] e75c63ef76f4df4f514a7f8d72db5ac0cfc0784d7744809ccb80f0f8022450e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa97d8a3ce3634f12f7e779cb37a55106e54cdb3e180381f8c1ab15f3a04e888
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aa97d8a3ce3634f12f7e779cb37a55106e54cdb3e180381f8c1ab15f3a04e888", kill_on_drop: false }`
[INFO] [stderr]    Compiling assembler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/mod.rs:93:31
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn transform(self) -> Box<Instruction> {
[INFO] [stdout]    |                               ^^^^^^^^^^^ help: use `dyn`: `dyn Instruction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "aa97d8a3ce3634f12f7e779cb37a55106e54cdb3e180381f8c1ab15f3a04e888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa97d8a3ce3634f12f7e779cb37a55106e54cdb3e180381f8c1ab15f3a04e888", kill_on_drop: false }`
[INFO] [stdout] aa97d8a3ce3634f12f7e779cb37a55106e54cdb3e180381f8c1ab15f3a04e888
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] db9a65ef36759b187481d80f112e452781a4f9c470e2e6033057b96f088251cc
[INFO] running `Command { std: "docker" "start" "-a" "db9a65ef36759b187481d80f112e452781a4f9c470e2e6033057b96f088251cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling assembler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/mod.rs:93:31
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn transform(self) -> Box<Instruction> {
[INFO] [stdout]    |                               ^^^^^^^^^^^ help: use `dyn`: `dyn Instruction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "db9a65ef36759b187481d80f112e452781a4f9c470e2e6033057b96f088251cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db9a65ef36759b187481d80f112e452781a4f9c470e2e6033057b96f088251cc", kill_on_drop: false }`
[INFO] [stdout] db9a65ef36759b187481d80f112e452781a4f9c470e2e6033057b96f088251cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c66dfb77125bd98c79a4d68f133750bbc4301b53814e97c26823cbccb72e1fc2
[INFO] running `Command { std: "docker" "start" "-a" "c66dfb77125bd98c79a4d68f133750bbc4301b53814e97c26823cbccb72e1fc2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/mod.rs:93:31
[INFO] [stderr]    |
[INFO] [stderr] 93 |     fn transform(self) -> Box<Instruction> {
[INFO] [stderr]    |                               ^^^^^^^^^^^ help: use `dyn`: `dyn Instruction`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/assembler-f0c7e4daf8776610
[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 `Command { std: "docker" "inspect" "c66dfb77125bd98c79a4d68f133750bbc4301b53814e97c26823cbccb72e1fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c66dfb77125bd98c79a4d68f133750bbc4301b53814e97c26823cbccb72e1fc2", kill_on_drop: false }`
[INFO] [stdout] c66dfb77125bd98c79a4d68f133750bbc4301b53814e97c26823cbccb72e1fc2