[INFO] fetching crate redox_installer 0.2.7...
[INFO] checking redox_installer-0.2.7 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate redox_installer 0.2.7 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate redox_installer 0.2.7 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 redox_installer 0.2.7
[INFO] finished tweaking crates.io crate redox_installer 0.2.7
[INFO] tweaked toml for crates.io crate redox_installer 0.2.7 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate redox_installer 0.2.7 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] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b95a144bf9d410dc113dab4163c653a1f01a98f1f0e5e2939f2f948439b2e73b
[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" "b95a144bf9d410dc113dab4163c653a1f01a98f1f0e5e2939f2f948439b2e73b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b95a144bf9d410dc113dab4163c653a1f01a98f1f0e5e2939f2f948439b2e73b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b95a144bf9d410dc113dab4163c653a1f01a98f1f0e5e2939f2f948439b2e73b", kill_on_drop: false }`
[INFO] [stdout] b95a144bf9d410dc113dab4163c653a1f01a98f1f0e5e2939f2f948439b2e73b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ea8375a5f45f3c163801093c950c8461735b0e26f81f15e3e70f02091c872e2
[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" "1ea8375a5f45f3c163801093c950c8461735b0e26f81f15e3e70f02091c872e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking index-fixed v0.3.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]    Compiling redox_pkgutils v0.1.6
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking sodalite v0.3.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.13
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking redox_liner v0.5.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking redox_syscall v0.2.1
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking rust-argon2 v0.8.3
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling blake3 v0.2.3
[INFO] [stderr]     Checking redoxfs v0.4.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking pbr v1.0.3
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking webpki v0.18.1
[INFO] [stderr]     Checking sct v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking rustls v0.13.1
[INFO] [stderr]     Checking webpki-roots v0.15.0
[INFO] [stderr]     Checking pkgar v0.1.6
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking hyper-rustls v0.6.2
[INFO] [stderr]     Checking redox_installer v0.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `unwrap_or_prompt`
[INFO] [stdout]   --> src/lib.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn unwrap_or_prompt<T: FromStr>(option: Option<T>, context: &mut liner::Context, prompt: &str) -> Result<T> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unwrap_or_prompt`
[INFO] [stdout]   --> src/lib.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn unwrap_or_prompt<T: FromStr>(option: Option<T>, context: &mut liner::Context, prompt: &str) -> Result<T> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/installer_tui.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |             dir_files(path_trimmed, files);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/installer_tui.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |             dir_files(path_trimmed, files);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "1ea8375a5f45f3c163801093c950c8461735b0e26f81f15e3e70f02091c872e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ea8375a5f45f3c163801093c950c8461735b0e26f81f15e3e70f02091c872e2", kill_on_drop: false }`
[INFO] [stdout] 1ea8375a5f45f3c163801093c950c8461735b0e26f81f15e3e70f02091c872e2