[INFO] cloning repository https://github.com/bennyz/umoci-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bennyz/umoci-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbennyz%2Fumoci-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbennyz%2Fumoci-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a44e7cee1628b7f31696a51877a5e3106a3add6
[INFO] checking bennyz/umoci-rs against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbennyz%2Fumoci-rs" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bennyz/umoci-rs on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bennyz/umoci-rs
[INFO] finished tweaking git repo https://github.com/bennyz/umoci-rs
[INFO] tweaked toml for git repo https://github.com/bennyz/umoci-rs written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/bennyz/umoci-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0345ad4a1ee0671b206e9fd7ba92d323e64daf5621059cd0dbb0340d777cd514
[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" "0345ad4a1ee0671b206e9fd7ba92d323e64daf5621059cd0dbb0340d777cd514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0345ad4a1ee0671b206e9fd7ba92d323e64daf5621059cd0dbb0340d777cd514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0345ad4a1ee0671b206e9fd7ba92d323e64daf5621059cd0dbb0340d777cd514", kill_on_drop: false }`
[INFO] [stdout] 0345ad4a1ee0671b206e9fd7ba92d323e64daf5621059cd0dbb0340d777cd514
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cb1bdcfa4e052e434d9a4e3f571f6d1d0da415abe5dd372a5259c0ec181c551
[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" "2cb1bdcfa4e052e434d9a4e3f571f6d1d0da415abe5dd372a5259c0ec181c551", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking ryu v1.0.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking umoci-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/unpacker.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 |     io::{BufReader, Read},
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::spec::digest::Algorithm`
[INFO] [stdout]   --> src/spec/descriptor.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     use crate::spec::digest::Algorithm;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/spec/descriptor.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Algorithm`, `Digest`, `descriptor::Platform`, `media_types::MediaType`
[INFO] [stdout]   --> src/spec/index.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         descriptor::Platform,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 23 |         digest::{Algorithm, Digest},
[INFO] [stdout]    |                  ^^^^^^^^^  ^^^^^^
[INFO] [stdout] 24 |         media_types::MediaType,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/spec/index.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Algorithm`, `Digest`, `descriptor::Descriptor`, `media_types::MediaType`
[INFO] [stdout]   --> src/spec/manifest.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         descriptor::Descriptor,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 25 |         digest::{Algorithm, Digest},
[INFO] [stdout]    |                  ^^^^^^^^^  ^^^^^^
[INFO] [stdout] 26 |         media_types::MediaType,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/spec/manifest.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/spec/media_types.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::json`
[INFO] [stdout]   --> src/spec/config.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     use serde_json::json;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::spec::digest::Algorithm`
[INFO] [stdout]    --> src/spec/config.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |     use crate::spec::digest::Algorithm;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/spec/config.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/unpacker.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 |     io::{BufReader, Read},
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.72s
[INFO] running `Command { std: "docker" "inspect" "2cb1bdcfa4e052e434d9a4e3f571f6d1d0da415abe5dd372a5259c0ec181c551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cb1bdcfa4e052e434d9a4e3f571f6d1d0da415abe5dd372a5259c0ec181c551", kill_on_drop: false }`
[INFO] [stdout] 2cb1bdcfa4e052e434d9a4e3f571f6d1d0da415abe5dd372a5259c0ec181c551