[INFO] cloning repository https://github.com/adamjc/rust-todo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adamjc/rust-todo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamjc%2Frust-todo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamjc%2Frust-todo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2fed499248fc9264823072a6d6d4e8099f8a9a15
[INFO] testing adamjc/rust-todo against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamjc%2Frust-todo" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adamjc/rust-todo on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adamjc/rust-todo
[INFO] finished tweaking git repo https://github.com/adamjc/rust-todo
[INFO] tweaked toml for git repo https://github.com/adamjc/rust-todo written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/adamjc/rust-todo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ed8ecb42eb5eed56c575d8ad306484ad06e3716bf9e264c8bb7a651c06d49ff
[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" "3ed8ecb42eb5eed56c575d8ad306484ad06e3716bf9e264c8bb7a651c06d49ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ed8ecb42eb5eed56c575d8ad306484ad06e3716bf9e264c8bb7a651c06d49ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ed8ecb42eb5eed56c575d8ad306484ad06e3716bf9e264c8bb7a651c06d49ff", kill_on_drop: false }`
[INFO] [stdout] 3ed8ecb42eb5eed56c575d8ad306484ad06e3716bf9e264c8bb7a651c06d49ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c554ded8441436f02a98e326d50eec0e8bb37721b0e2a25a21afb870d69cd1e
[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" "1c554ded8441436f02a98e326d50eec0e8bb37721b0e2a25a21afb870d69cd1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling ucd-util v0.1.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]    Compiling syn v0.15.17
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling docopt v1.0.2
[INFO] [stderr]    Compiling rust-todo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `cmd_list`
[INFO] [stdout]   --> src/main.rs:20:3
[INFO] [stdout]    |
[INFO] [stdout] 20 |   cmd_list: bool,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `title`
[INFO] [stdout]   --> src/main.rs:31:3
[INFO] [stdout]    |
[INFO] [stdout] 31 |   title: String,
[INFO] [stdout]    |   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `description`
[INFO] [stdout]   --> src/main.rs:32:3
[INFO] [stdout]    |
[INFO] [stdout] 32 |   description: String
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.14s
[INFO] running `Command { std: "docker" "inspect" "1c554ded8441436f02a98e326d50eec0e8bb37721b0e2a25a21afb870d69cd1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c554ded8441436f02a98e326d50eec0e8bb37721b0e2a25a21afb870d69cd1e", kill_on_drop: false }`
[INFO] [stdout] 1c554ded8441436f02a98e326d50eec0e8bb37721b0e2a25a21afb870d69cd1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a74f6bed51aef3a93a68d7ebabad6488ef4e8e87dac36d3f8a7093ceffffdd5b
[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" "a74f6bed51aef3a93a68d7ebabad6488ef4e8e87dac36d3f8a7093ceffffdd5b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-todo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `cmd_list`
[INFO] [stdout]   --> src/main.rs:20:3
[INFO] [stdout]    |
[INFO] [stdout] 20 |   cmd_list: bool,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `title`
[INFO] [stdout]   --> src/main.rs:31:3
[INFO] [stdout]    |
[INFO] [stdout] 31 |   title: String,
[INFO] [stdout]    |   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `description`
[INFO] [stdout]   --> src/main.rs:32:3
[INFO] [stdout]    |
[INFO] [stdout] 32 |   description: String
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "a74f6bed51aef3a93a68d7ebabad6488ef4e8e87dac36d3f8a7093ceffffdd5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a74f6bed51aef3a93a68d7ebabad6488ef4e8e87dac36d3f8a7093ceffffdd5b", kill_on_drop: false }`
[INFO] [stdout] a74f6bed51aef3a93a68d7ebabad6488ef4e8e87dac36d3f8a7093ceffffdd5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7c95c0cb171de04ae3ec5b7184788bfda46ba6d2b4177e2b3ce22a92e0f10b05
[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" "7c95c0cb171de04ae3ec5b7184788bfda46ba6d2b4177e2b3ce22a92e0f10b05", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `cmd_list`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:20:3
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 20 |   cmd_list: bool,
[INFO] [stdout] 
[INFO] [stderr]    |   ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `title`
[INFO] [stderr]   --> src/main.rs:31:3
[INFO] [stderr]    |
[INFO] [stderr] 31 |   title: String,
[INFO] [stderr]    |   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `description`
[INFO] [stderr]   --> src/main.rs:32:3
[INFO] [stderr]    |
[INFO] [stderr] 32 |   description: String
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-todo` (bin "rust-todo" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_todo-87d66326bc05c7ce)
[INFO] running `Command { std: "docker" "inspect" "7c95c0cb171de04ae3ec5b7184788bfda46ba6d2b4177e2b3ce22a92e0f10b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c95c0cb171de04ae3ec5b7184788bfda46ba6d2b4177e2b3ce22a92e0f10b05", kill_on_drop: false }`
[INFO] [stdout] 7c95c0cb171de04ae3ec5b7184788bfda46ba6d2b4177e2b3ce22a92e0f10b05