[INFO] fetching crate stacker 0.1.21...
[INFO] testing stacker-0.1.21 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate stacker 0.1.21 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate stacker 0.1.21
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate stacker 0.1.21
[INFO] tweaked toml for crates.io crate stacker 0.1.21 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stacker 0.1.21 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stacker 0.1.21 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78d17a8d6538f60ff37dba340b3c9d4e1bc5d778cc17d735497d5623ad9c533e
[INFO] running `Command { std: "docker" "start" "-a" "78d17a8d6538f60ff37dba340b3c9d4e1bc5d778cc17d735497d5623ad9c533e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78d17a8d6538f60ff37dba340b3c9d4e1bc5d778cc17d735497d5623ad9c533e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78d17a8d6538f60ff37dba340b3c9d4e1bc5d778cc17d735497d5623ad9c533e", kill_on_drop: false }`
[INFO] [stdout] 78d17a8d6538f60ff37dba340b3c9d4e1bc5d778cc17d735497d5623ad9c533e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ff5fedee30a415ffbd5ab0f77c6d36731c4d1ebaa9ce60550f4673be1cda205
[INFO] running `Command { std: "docker" "start" "-a" "8ff5fedee30a415ffbd5ab0f77c6d36731c4d1ebaa9ce60550f4673be1cda205", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.20
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling psm v0.1.26
[INFO] [stderr]    Compiling stacker v0.1.21 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "8ff5fedee30a415ffbd5ab0f77c6d36731c4d1ebaa9ce60550f4673be1cda205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ff5fedee30a415ffbd5ab0f77c6d36731c4d1ebaa9ce60550f4673be1cda205", kill_on_drop: false }`
[INFO] [stdout] 8ff5fedee30a415ffbd5ab0f77c6d36731c4d1ebaa9ce60550f4673be1cda205
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bc7ff8c96d1e5321cb8bfa5337e91ec7c25d06e799a41a59c355dc6a59f6fc0
[INFO] running `Command { std: "docker" "start" "-a" "2bc7ff8c96d1e5321cb8bfa5337e91ec7c25d06e799a41a59c355dc6a59f6fc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling stacker v0.1.21 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "2bc7ff8c96d1e5321cb8bfa5337e91ec7c25d06e799a41a59c355dc6a59f6fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bc7ff8c96d1e5321cb8bfa5337e91ec7c25d06e799a41a59c355dc6a59f6fc0", kill_on_drop: false }`
[INFO] [stdout] 2bc7ff8c96d1e5321cb8bfa5337e91ec7c25d06e799a41a59c355dc6a59f6fc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 400b8584d7427f3e7698c1891bd725348691b7f9fec300120cc1a48456b9f73e
[INFO] running `Command { std: "docker" "start" "-a" "400b8584d7427f3e7698c1891bd725348691b7f9fec300120cc1a48456b9f73e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running tests/simple.rs (/opt/rustwide/target/debug/deps/simple-99e4be739f324bf4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test foo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.93s
[INFO] [stderr]      Running tests/smoke.rs (/opt/rustwide/target/debug/deps/smoke-0f1e068904c8d7c0)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test catch_panic_leaf ... ok
[INFO] [stdout] test catch_panic_inside ... ok
[INFO] [stdout] test catch_panic ... ok
[INFO] [stdout] test deep ... ok
[INFO] [stdout] test panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.85s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "400b8584d7427f3e7698c1891bd725348691b7f9fec300120cc1a48456b9f73e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "400b8584d7427f3e7698c1891bd725348691b7f9fec300120cc1a48456b9f73e", kill_on_drop: false }`
[INFO] [stdout] 400b8584d7427f3e7698c1891bd725348691b7f9fec300120cc1a48456b9f73e