[INFO] fetching crate exons 0.1.5...
[INFO] testing exons-0.1.5 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate exons 0.1.5 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate exons 0.1.5
[INFO] finished tweaking crates.io crate exons 0.1.5
[INFO] tweaked toml for crates.io crate exons 0.1.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate exons 0.1.5 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c2cf0486ce43c75047279f83e92dcdc4271731fdb42afed19f7b6069dc1a7ea2
[INFO] running `Command { std: "docker" "start" "-a" "c2cf0486ce43c75047279f83e92dcdc4271731fdb42afed19f7b6069dc1a7ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2cf0486ce43c75047279f83e92dcdc4271731fdb42afed19f7b6069dc1a7ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2cf0486ce43c75047279f83e92dcdc4271731fdb42afed19f7b6069dc1a7ea2", kill_on_drop: false }`
[INFO] [stdout] c2cf0486ce43c75047279f83e92dcdc4271731fdb42afed19f7b6069dc1a7ea2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6493c58f2a502a2c072d465341573ee194a7de65b1e435e41a7b53aeb5d74d18
[INFO] running `Command { std: "docker" "start" "-a" "6493c58f2a502a2c072d465341573ee194a7de65b1e435e41a7b53aeb5d74d18", kill_on_drop: false }`
[INFO] [stderr]    Compiling simd-adler32 v0.3.9
[INFO] [stderr]    Compiling superslice v1.0.0
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling lz4-sys v1.11.1+lz4-1.10.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling vector_utils v0.1.5
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling string_utils v0.1.4
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling lz4 v1.28.1
[INFO] [stderr]    Compiling io_utils v0.3.2
[INFO] [stderr]    Compiling exons v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.27s
[INFO] running `Command { std: "docker" "inspect" "6493c58f2a502a2c072d465341573ee194a7de65b1e435e41a7b53aeb5d74d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6493c58f2a502a2c072d465341573ee194a7de65b1e435e41a7b53aeb5d74d18", kill_on_drop: false }`
[INFO] [stdout] 6493c58f2a502a2c072d465341573ee194a7de65b1e435e41a7b53aeb5d74d18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c0d8a3ed69cbc5c2aeb6a508cd35d5b7c48800eebf201f975283460a68abd6ae
[INFO] running `Command { std: "docker" "start" "-a" "c0d8a3ed69cbc5c2aeb6a508cd35d5b7c48800eebf201f975283460a68abd6ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling exons v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "c0d8a3ed69cbc5c2aeb6a508cd35d5b7c48800eebf201f975283460a68abd6ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0d8a3ed69cbc5c2aeb6a508cd35d5b7c48800eebf201f975283460a68abd6ae", kill_on_drop: false }`
[INFO] [stdout] c0d8a3ed69cbc5c2aeb6a508cd35d5b7c48800eebf201f975283460a68abd6ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0237c4ee15dfc24402548979c108143212f3e17e2c03af889a6147efa20d5b17
[INFO] running `Command { std: "docker" "start" "-a" "0237c4ee15dfc24402548979c108143212f3e17e2c03af889a6147efa20d5b17", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/exons-19f7ec0a57757e65)
[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 exons
[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" "0237c4ee15dfc24402548979c108143212f3e17e2c03af889a6147efa20d5b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0237c4ee15dfc24402548979c108143212f3e17e2c03af889a6147efa20d5b17", kill_on_drop: false }`
[INFO] [stdout] 0237c4ee15dfc24402548979c108143212f3e17e2c03af889a6147efa20d5b17