[INFO] fetching crate cargo-solid 0.1.5...
[INFO] checking cargo-solid-0.1.5 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate cargo-solid 0.1.5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cargo-solid 0.1.5 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-solid 0.1.5
[INFO] finished tweaking crates.io crate cargo-solid 0.1.5
[INFO] tweaked toml for crates.io crate cargo-solid 0.1.5 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate cargo-solid 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.2
[INFO] [stderr]   Downloaded quote v1.0.3
[INFO] [stderr]   Downloaded syn-mid v0.5.0
[INFO] [stderr]   Downloaded serde_derive v1.0.106
[INFO] [stderr]   Downloaded ryu v1.0.3
[INFO] [stderr]   Downloaded anyhow v1.0.28
[INFO] [stderr]   Downloaded heck v0.3.1
[INFO] [stderr]   Downloaded unicode-segmentation v1.6.0
[INFO] [stderr]   Downloaded serde_json v1.0.51
[INFO] [stderr]   Downloaded proc-macro-error v1.0.2
[INFO] [stderr]   Downloaded libc v0.2.69
[INFO] [stderr]   Downloaded syn v1.0.17
[INFO] [stderr]   Downloaded hermit-abi v0.1.11
[INFO] [stderr]   Downloaded structopt-derive v0.4.6
[INFO] [stderr]   Downloaded structopt v0.3.13
[INFO] [stderr]   Downloaded proc-macro2 v1.0.10
[INFO] [stderr]   Downloaded serde v1.0.106
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d5b4df05f01f76ff3f9666f4b5e36037123bc8fd76cabd5b9984478e58e556d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7d5b4df05f01f76ff3f9666f4b5e36037123bc8fd76cabd5b9984478e58e556d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d5b4df05f01f76ff3f9666f4b5e36037123bc8fd76cabd5b9984478e58e556d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d5b4df05f01f76ff3f9666f4b5e36037123bc8fd76cabd5b9984478e58e556d", kill_on_drop: false }`
[INFO] [stdout] 7d5b4df05f01f76ff3f9666f4b5e36037123bc8fd76cabd5b9984478e58e556d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23f97246478540ba1e5a3bbffeda175dbec33ee3e16d6e717c7b182d3be42dbc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "23f97246478540ba1e5a3bbffeda175dbec33ee3e16d6e717c7b182d3be42dbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling structopt-derive v0.4.6
[INFO] [stderr]     Checking structopt v0.3.13
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking cargo-solid v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.94s
[INFO] running `Command { std: "docker" "inspect" "23f97246478540ba1e5a3bbffeda175dbec33ee3e16d6e717c7b182d3be42dbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23f97246478540ba1e5a3bbffeda175dbec33ee3e16d6e717c7b182d3be42dbc", kill_on_drop: false }`
[INFO] [stdout] 23f97246478540ba1e5a3bbffeda175dbec33ee3e16d6e717c7b182d3be42dbc