[INFO] cloning repository https://github.com/x-delfino/metaros
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/x-delfino/metaros" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fx-delfino%2Fmetaros", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fx-delfino%2Fmetaros'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb12e0cf5bda69638ef163d83c0bf7695ec8be11
[INFO] checking x-delfino/metaros against master#f9515fdd5aa132e27d9b580a35b27f4b453251c1 for pr-125923
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fx-delfino%2Fmetaros" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/x-delfino/metaros on toolchain f9515fdd5aa132e27d9b580a35b27f4b453251c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9515fdd5aa132e27d9b580a35b27f4b453251c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/x-delfino/metaros
[INFO] finished tweaking git repo https://github.com/x-delfino/metaros
[INFO] tweaked toml for git repo https://github.com/x-delfino/metaros written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/x-delfino/metaros 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" "+f9515fdd5aa132e27d9b580a35b27f4b453251c1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking x-delfino/metaros against try#71235522a9cf955f6b7ff56c0bfb2651ecd0180b for pr-125923
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fx-delfino%2Fmetaros" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/x-delfino/metaros on toolchain 71235522a9cf955f6b7ff56c0bfb2651ecd0180b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+71235522a9cf955f6b7ff56c0bfb2651ecd0180b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/x-delfino/metaros
[INFO] finished tweaking git repo https://github.com/x-delfino/metaros
[INFO] tweaked toml for git repo https://github.com/x-delfino/metaros written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/x-delfino/metaros 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" "+71235522a9cf955f6b7ff56c0bfb2651ecd0180b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking x-delfino/metaros against try#71235522a9cf955f6b7ff56c0bfb2651ecd0180b for pr-125923
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fx-delfino%2Fmetaros" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/x-delfino/metaros on toolchain 71235522a9cf955f6b7ff56c0bfb2651ecd0180b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+71235522a9cf955f6b7ff56c0bfb2651ecd0180b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/x-delfino/metaros
[INFO] finished tweaking git repo https://github.com/x-delfino/metaros
[INFO] tweaked toml for git repo https://github.com/x-delfino/metaros written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/x-delfino/metaros 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" "+71235522a9cf955f6b7ff56c0bfb2651ecd0180b" "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 password-hash v0.3.2
[INFO] [stderr]   Downloaded hmac v0.12.0
[INFO] [stderr]   Downloaded md4 v0.10.0
[INFO] [stderr]   Downloaded base64ct v1.0.1
[INFO] [stderr]   Downloaded pbkdf2 v0.10.0
[INFO] [stderr]   Downloaded des v0.7.0
[INFO] [stderr]   Downloaded loggerv v0.7.2
[INFO] [stderr]   Downloaded clap_derive v3.0.6
[INFO] [stderr]   Downloaded clap v3.0.7
[INFO] [stderr]   Downloaded sha1 v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+71235522a9cf955f6b7ff56c0bfb2651ecd0180b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b562aaed5b042ac8e97a9a7a22ff051005d3352e44052ad8aa03f2ed0e98985
[INFO] running `Command { std: "docker" "start" "-a" "6b562aaed5b042ac8e97a9a7a22ff051005d3352e44052ad8aa03f2ed0e98985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b562aaed5b042ac8e97a9a7a22ff051005d3352e44052ad8aa03f2ed0e98985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b562aaed5b042ac8e97a9a7a22ff051005d3352e44052ad8aa03f2ed0e98985", kill_on_drop: false }`
[INFO] [stdout] 6b562aaed5b042ac8e97a9a7a22ff051005d3352e44052ad8aa03f2ed0e98985
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+71235522a9cf955f6b7ff56c0bfb2651ecd0180b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70ccd2272ad46cb404f71807a8146ec97a550028027286204de449202b6ffea5
[INFO] running `Command { std: "docker" "start" "-a" "70ccd2272ad46cb404f71807a8146ec97a550028027286204de449202b6ffea5", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking base64ct v1.0.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking wyz v0.5.0
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking password-hash v0.3.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking crypto-common v0.1.1
[INFO] [stderr]     Checking block-buffer v0.10.0
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking bitvec v1.0.0
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking digest v0.10.1
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking des v0.7.0
[INFO] [stderr]     Checking block-modes v0.8.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking loggerv v0.7.2
[INFO] [stderr]     Checking hmac v0.12.0
[INFO] [stderr]     Checking sha2 v0.10.1
[INFO] [stderr]     Checking sha1 v0.10.0
[INFO] [stderr]     Checking md4 v0.10.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking pbkdf2 v0.10.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.6
[INFO] [stderr]     Checking clap v3.0.7
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking metaros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `salt`
[INFO] [stdout]   --> src/crypto/rc4.rs:12:35
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn string_to_key(secret:&str, salt: &str) -> Vec<u8> {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_salt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `salt`
[INFO] [stdout]   --> src/crypto/rc4.rs:16:36
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn bytes_to_key(secret: &[u8], salt: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_salt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/crypto/aes.rs:52:31
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let mut result = first.clone().to_bitvec();
[INFO] [stdout]    |                               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `bitvec::slice::BitSlice<u8, bitvec::order::Msb0>` does not implement `Clone`, so calling `clone` on `&bitvec::slice::BitSlice<u8, bitvec::order::Msb0>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 52 -         let mut result = first.clone().to_bitvec();
[INFO] [stdout] 52 +         let mut result = first.to_bitvec();
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `bitvec::slice::BitSlice<u8, bitvec::order::Msb0>`, implement `Clone` for it
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bitvec-1.0.0/src/slice.rs:60:1
[INFO] [stdout]    |
[INFO] [stdout] 60 + #[derive(Clone)]
[INFO] [stdout] 61 | pub struct BitSlice<T = usize, O = Lsb0>
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]  --> src/crypto/rc4.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |         return key.clone().to_vec();
[INFO] [stdout]   |                   ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]   |
[INFO] [stdout]   = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `salt`
[INFO] [stdout]   --> src/crypto/rc4.rs:12:35
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn string_to_key(secret:&str, salt: &str) -> Vec<u8> {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_salt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `salt`
[INFO] [stdout]   --> src/crypto/rc4.rs:16:36
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn bytes_to_key(secret: &[u8], salt: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_salt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/crypto/aes.rs:52:31
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let mut result = first.clone().to_bitvec();
[INFO] [stdout]    |                               ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `bitvec::slice::BitSlice<u8, bitvec::order::Msb0>` does not implement `Clone`, so calling `clone` on `&bitvec::slice::BitSlice<u8, bitvec::order::Msb0>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 52 -         let mut result = first.clone().to_bitvec();
[INFO] [stdout] 52 +         let mut result = first.to_bitvec();
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `bitvec::slice::BitSlice<u8, bitvec::order::Msb0>`, implement `Clone` for it
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bitvec-1.0.0/src/slice.rs:60:1
[INFO] [stdout]    |
[INFO] [stdout] 60 + #[derive(Clone)]
[INFO] [stdout] 61 | pub struct BitSlice<T = usize, O = Lsb0>
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]  --> src/crypto/rc4.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |         return key.clone().to_vec();
[INFO] [stdout]   |                   ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]   |
[INFO] [stdout]   = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.61s
[INFO] running `Command { std: "docker" "inspect" "70ccd2272ad46cb404f71807a8146ec97a550028027286204de449202b6ffea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70ccd2272ad46cb404f71807a8146ec97a550028027286204de449202b6ffea5", kill_on_drop: false }`
[INFO] [stdout] 70ccd2272ad46cb404f71807a8146ec97a550028027286204de449202b6ffea5