[INFO] fetching crate snails 0.1.0...
[INFO] testing snails-0.1.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate snails 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate snails 0.1.0
[INFO] finished tweaking crates.io crate snails 0.1.0
[INFO] tweaked toml for crates.io crate snails 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate snails 0.1.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate snails 0.1.0 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 048a0d3f33bc0cbb9e369aae1b884e4c7ad7d49c276782f61f937ec8f9881710
[INFO] running `Command { std: "docker" "start" "-a" "048a0d3f33bc0cbb9e369aae1b884e4c7ad7d49c276782f61f937ec8f9881710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "048a0d3f33bc0cbb9e369aae1b884e4c7ad7d49c276782f61f937ec8f9881710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "048a0d3f33bc0cbb9e369aae1b884e4c7ad7d49c276782f61f937ec8f9881710", kill_on_drop: false }`
[INFO] [stdout] 048a0d3f33bc0cbb9e369aae1b884e4c7ad7d49c276782f61f937ec8f9881710
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54b0a4612711fb3d841fc7d27d0b900eb81ad9c4df56cd7e70a74fa8effd712e
[INFO] running `Command { std: "docker" "start" "-a" "54b0a4612711fb3d841fc7d27d0b900eb81ad9c4df56cd7e70a74fa8effd712e", kill_on_drop: false }`
[INFO] [stderr]    Compiling snails v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "54b0a4612711fb3d841fc7d27d0b900eb81ad9c4df56cd7e70a74fa8effd712e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54b0a4612711fb3d841fc7d27d0b900eb81ad9c4df56cd7e70a74fa8effd712e", kill_on_drop: false }`
[INFO] [stdout] 54b0a4612711fb3d841fc7d27d0b900eb81ad9c4df56cd7e70a74fa8effd712e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55ca9a5063e7e299987d0fed2ff6ce8c927cdcd49c0fda1a4270ba2077cc777f
[INFO] running `Command { std: "docker" "start" "-a" "55ca9a5063e7e299987d0fed2ff6ce8c927cdcd49c0fda1a4270ba2077cc777f", kill_on_drop: false }`
[INFO] [stderr]    Compiling snails v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "55ca9a5063e7e299987d0fed2ff6ce8c927cdcd49c0fda1a4270ba2077cc777f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55ca9a5063e7e299987d0fed2ff6ce8c927cdcd49c0fda1a4270ba2077cc777f", kill_on_drop: false }`
[INFO] [stdout] 55ca9a5063e7e299987d0fed2ff6ce8c927cdcd49c0fda1a4270ba2077cc777f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c58b2b594871333e87debe18a970cd450aeb3dc0ba20b8831ffdb4bbcd30a27a
[INFO] running `Command { std: "docker" "start" "-a" "c58b2b594871333e87debe18a970cd450aeb3dc0ba20b8831ffdb4bbcd30a27a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/snails-f68a2786ba775a77)
[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" "c58b2b594871333e87debe18a970cd450aeb3dc0ba20b8831ffdb4bbcd30a27a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c58b2b594871333e87debe18a970cd450aeb3dc0ba20b8831ffdb4bbcd30a27a", kill_on_drop: false }`
[INFO] [stdout] c58b2b594871333e87debe18a970cd450aeb3dc0ba20b8831ffdb4bbcd30a27a