[INFO] fetching crate argio 0.1.4...
[INFO] checking argio-0.1.4 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate argio 0.1.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate argio 0.1.4 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate argio 0.1.4
[INFO] finished tweaking crates.io crate argio 0.1.4
[INFO] tweaked toml for crates.io crate argio 0.1.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate argio 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trybuild v1.0.35
[INFO] [stderr]   Downloaded proconio v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ea51d21afe10133f48ac43eab424194c0c8639a979b0e5ad1dd89986b8f87e6
[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" "8ea51d21afe10133f48ac43eab424194c0c8639a979b0e5ad1dd89986b8f87e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ea51d21afe10133f48ac43eab424194c0c8639a979b0e5ad1dd89986b8f87e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ea51d21afe10133f48ac43eab424194c0c8639a979b0e5ad1dd89986b8f87e6", kill_on_drop: false }`
[INFO] [stdout] 8ea51d21afe10133f48ac43eab424194c0c8639a979b0e5ad1dd89986b8f87e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b96fb26c34cc0b066ce43aa99eb30bb78d0577907780cd1a83f65bc64eba07d
[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" "5b96fb26c34cc0b066ce43aa99eb30bb78d0577907780cd1a83f65bc64eba07d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling trybuild v1.0.35
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking proconio v0.4.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking argio v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.65s
[INFO] running `Command { std: "docker" "inspect" "5b96fb26c34cc0b066ce43aa99eb30bb78d0577907780cd1a83f65bc64eba07d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b96fb26c34cc0b066ce43aa99eb30bb78d0577907780cd1a83f65bc64eba07d", kill_on_drop: false }`
[INFO] [stdout] 5b96fb26c34cc0b066ce43aa99eb30bb78d0577907780cd1a83f65bc64eba07d