[INFO] cloning repository https://github.com/ttd2089/rocket
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ttd2089/rocket" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttd2089%2Frocket", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttd2089%2Frocket'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8aaea53e2f6cc8ae62002681916d1546bd3f260d
[INFO] checking ttd2089/rocket against try#59a256151e578f525a26127f2c3e3a6c7e2982ca for pr-149291-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttd2089%2Frocket" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ttd2089/rocket
[INFO] finished tweaking git repo https://github.com/ttd2089/rocket
[INFO] tweaked toml for git repo https://github.com/ttd2089/rocket written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ttd2089/rocket on toolchain 59a256151e578f525a26127f2c3e3a6c7e2982ca
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ttd2089/rocket already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded globset v0.4.6
[INFO] [stderr]   Downloaded redox_syscall v0.2.8
[INFO] [stderr]   Downloaded ignore v0.4.17
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.4
[INFO] [stderr]   Downloaded once_cell v1.7.2
[INFO] [stderr]   Downloaded bstr v0.2.16
[INFO] [stderr]   Downloaded libc v0.2.94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8bdf9781efbe70c9731f2f03e46afd1723353f8ae6ea4ea200f3d15c5ce471b
[INFO] running `Command { std: "docker" "start" "-a" "a8bdf9781efbe70c9731f2f03e46afd1723353f8ae6ea4ea200f3d15c5ce471b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8bdf9781efbe70c9731f2f03e46afd1723353f8ae6ea4ea200f3d15c5ce471b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8bdf9781efbe70c9731f2f03e46afd1723353f8ae6ea4ea200f3d15c5ce471b", kill_on_drop: false }`
[INFO] [stdout] a8bdf9781efbe70c9731f2f03e46afd1723353f8ae6ea4ea200f3d15c5ce471b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 912e43e3fa9a320552acb3e78650f58700e99348a7b39a087bbff31bf1c4a76c
[INFO] running `Command { std: "docker" "start" "-a" "912e43e3fa9a320552acb3e78650f58700e99348a7b39a087bbff31bf1c4a76c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking notify v4.0.16
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]     Checking rocket v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.95s
[INFO] [stdout] warning: fields `shell`, `log`, and `command` are never read
[INFO] [stdout]  --> src/cli_args.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct CliArgs {
[INFO] [stdout]   |            ------- fields in this struct
[INFO] [stdout] 5 |     pub change_directory: Option<String>,
[INFO] [stdout] 6 |     pub shell: String,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 7 |     pub log: bool,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 8 |     pub command: Option<String>,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CliArgs` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `shell`, `log`, and `command` are never read
[INFO] [stdout]  --> src/cli_args.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct CliArgs {
[INFO] [stdout]   |            ------- fields in this struct
[INFO] [stdout] 5 |     pub change_directory: Option<String>,
[INFO] [stdout] 6 |     pub shell: String,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 7 |     pub log: bool,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 8 |     pub command: Option<String>,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CliArgs` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "912e43e3fa9a320552acb3e78650f58700e99348a7b39a087bbff31bf1c4a76c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "912e43e3fa9a320552acb3e78650f58700e99348a7b39a087bbff31bf1c4a76c", kill_on_drop: false }`
[INFO] [stdout] 912e43e3fa9a320552acb3e78650f58700e99348a7b39a087bbff31bf1c4a76c