[INFO] cloning repository https://github.com/jbruws/wordmash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jbruws/wordmash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbruws%2Fwordmash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbruws%2Fwordmash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4aa240da3d90e0afbf884de47c841db6a4c613e5
[INFO] checking jbruws/wordmash against master#2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a for pr-145113
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbruws%2Fwordmash" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jbruws/wordmash
[INFO] finished tweaking git repo https://github.com/jbruws/wordmash
[INFO] tweaked toml for git repo https://github.com/jbruws/wordmash written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jbruws/wordmash on toolchain 2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jbruws/wordmash 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" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rug v1.24.1
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37252ae6214806f23c754eccaf3a4446fd54e521cc9bebd812044dd4131c6b70
[INFO] running `Command { std: "docker" "start" "-a" "37252ae6214806f23c754eccaf3a4446fd54e521cc9bebd812044dd4131c6b70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37252ae6214806f23c754eccaf3a4446fd54e521cc9bebd812044dd4131c6b70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37252ae6214806f23c754eccaf3a4446fd54e521cc9bebd812044dd4131c6b70", kill_on_drop: false }`
[INFO] [stdout] 37252ae6214806f23c754eccaf3a4446fd54e521cc9bebd812044dd4131c6b70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b34e820d2c2ed8eccace67527f6f00ef8c37acb099763c4a7c26e44572abeb0
[INFO] running `Command { std: "docker" "start" "-a" "4b34e820d2c2ed8eccace67527f6f00ef8c37acb099763c4a7c26e44572abeb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.2
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.24.1
[INFO] [stderr]     Checking wordmash v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `mres`
[INFO] [stdout]   --> src/tests.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let mres = m * m2;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_mres`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5m 11s
[INFO] running `Command { std: "docker" "inspect" "4b34e820d2c2ed8eccace67527f6f00ef8c37acb099763c4a7c26e44572abeb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b34e820d2c2ed8eccace67527f6f00ef8c37acb099763c4a7c26e44572abeb0", kill_on_drop: false }`
[INFO] [stdout] 4b34e820d2c2ed8eccace67527f6f00ef8c37acb099763c4a7c26e44572abeb0