[INFO] fetching crate fsio 0.1.3...
[INFO] checking fsio-0.1.3 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate fsio 0.1.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate fsio 0.1.3 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fsio 0.1.3
[INFO] finished tweaking crates.io crate fsio 0.1.3
[INFO] tweaked toml for crates.io crate fsio 0.1.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate fsio 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded envmnt v0.8.3
[INFO] [stderr]   Downloaded nias v0.5.0
[INFO] [stderr]   Downloaded ci_info v0.10.2
[INFO] [stderr]   Downloaded fsio v0.1.2
[INFO] [stderr]   Downloaded users v0.10.0
[INFO] [stderr]   Downloaded rusty-hook v0.11.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c86fe37343f7e2487d1220c875f3881e37c8ffaa921769b7e9250ecc7f621a6
[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" "2c86fe37343f7e2487d1220c875f3881e37c8ffaa921769b7e9250ecc7f621a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c86fe37343f7e2487d1220c875f3881e37c8ffaa921769b7e9250ecc7f621a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c86fe37343f7e2487d1220c875f3881e37c8ffaa921769b7e9250ecc7f621a6", kill_on_drop: false }`
[INFO] [stdout] 2c86fe37343f7e2487d1220c875f3881e37c8ffaa921769b7e9250ecc7f621a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 093c19151d6b04c0aead66b3f4b16cf81ad5dc6154c46163667a29aebf3ae0b8
[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" "093c19151d6b04c0aead66b3f4b16cf81ad5dc6154c46163667a29aebf3ae0b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling fsio v0.1.2
[INFO] [stderr]    Compiling nias v0.5.0
[INFO] [stderr]     Checking fsio v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stdout] warning: unknown lint: `invalid_codeblock_attribute`
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     invalid_codeblock_attribute,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: did you mean: `invalid_codeblock_attributes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking envmnt v0.8.3
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ci_info v0.10.2
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]    Compiling rusty-hook v0.11.2
[INFO] [stdout] warning: unknown lint: `invalid_codeblock_attribute`
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     invalid_codeblock_attribute,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: did you mean: `invalid_codeblock_attributes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.33s
[INFO] running `Command { std: "docker" "inspect" "093c19151d6b04c0aead66b3f4b16cf81ad5dc6154c46163667a29aebf3ae0b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "093c19151d6b04c0aead66b3f4b16cf81ad5dc6154c46163667a29aebf3ae0b8", kill_on_drop: false }`
[INFO] [stdout] 093c19151d6b04c0aead66b3f4b16cf81ad5dc6154c46163667a29aebf3ae0b8