[INFO] cloning repository https://github.com/qwasium/solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qwasium/solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqwasium%2Fsolver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqwasium%2Fsolver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17e2771da6e6ecb9f99720e74a315728e26ca173
[INFO] checking qwasium/solver against try#ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1 for pr-145108
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqwasium%2Fsolver" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/qwasium/solver
[INFO] finished tweaking git repo https://github.com/qwasium/solver
[INFO] tweaked toml for git repo https://github.com/qwasium/solver written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/qwasium/solver on toolchain ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/qwasium/solver 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" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b149c90d811f581a62b016c70e31215d3bf1733cc949a33364f6baf8d5da4b5
[INFO] running `Command { std: "docker" "start" "-a" "7b149c90d811f581a62b016c70e31215d3bf1733cc949a33364f6baf8d5da4b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b149c90d811f581a62b016c70e31215d3bf1733cc949a33364f6baf8d5da4b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b149c90d811f581a62b016c70e31215d3bf1733cc949a33364f6baf8d5da4b5", kill_on_drop: false }`
[INFO] [stdout] 7b149c90d811f581a62b016c70e31215d3bf1733cc949a33364f6baf8d5da4b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 310b6faa9bb7d23ce9621c530ad54ad269eb6dcf531fe83dba181f66f6e7502a
[INFO] running `Command { std: "docker" "start" "-a" "310b6faa9bb7d23ce9621c530ad54ad269eb6dcf531fe83dba181f66f6e7502a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking csv-core v0.1.12
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.53s
[INFO] running `Command { std: "docker" "inspect" "310b6faa9bb7d23ce9621c530ad54ad269eb6dcf531fe83dba181f66f6e7502a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "310b6faa9bb7d23ce9621c530ad54ad269eb6dcf531fe83dba181f66f6e7502a", kill_on_drop: false }`
[INFO] [stdout] 310b6faa9bb7d23ce9621c530ad54ad269eb6dcf531fe83dba181f66f6e7502a