[INFO] cloning repository https://github.com/erpcya/encoding-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erpcya/encoding-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferpcya%2Fencoding-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferpcya%2Fencoding-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42fc58b6ca2b99b2ee7ecd8d602f4a44c8bc4a2e
[INFO] checking erpcya/encoding-rs against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferpcya%2Fencoding-rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/erpcya/encoding-rs on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/erpcya/encoding-rs
[INFO] finished tweaking git repo https://github.com/erpcya/encoding-rs
[INFO] tweaked toml for git repo https://github.com/erpcya/encoding-rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/erpcya/encoding-rs 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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 erpcya/encoding-rs against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferpcya%2Fencoding-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/erpcya/encoding-rs on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/erpcya/encoding-rs
[INFO] finished tweaking git repo https://github.com/erpcya/encoding-rs
[INFO] tweaked toml for git repo https://github.com/erpcya/encoding-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/erpcya/encoding-rs 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66413ca03e7659e4163c5cf66028dd45e8da97b0ca7364d4deb9f75740cc13f7
[INFO] running `Command { std: "docker" "start" "-a" "66413ca03e7659e4163c5cf66028dd45e8da97b0ca7364d4deb9f75740cc13f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66413ca03e7659e4163c5cf66028dd45e8da97b0ca7364d4deb9f75740cc13f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66413ca03e7659e4163c5cf66028dd45e8da97b0ca7364d4deb9f75740cc13f7", kill_on_drop: false }`
[INFO] [stdout] 66413ca03e7659e4163c5cf66028dd45e8da97b0ca7364d4deb9f75740cc13f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4fc8ffab3d9ef213a88731ee326158e917803ea172bf4b25668c813eb293f65
[INFO] running `Command { std: "docker" "start" "-a" "d4fc8ffab3d9ef213a88731ee326158e917803ea172bf4b25668c813eb293f65", kill_on_drop: false }`
[INFO] [stderr]     Checking random-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `String: From<&Vec<{integer}>>` is not satisfied
[INFO] [stdout]  --> src/main.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |  let sparkle_heart = String::from(&sparkle_heart);
[INFO] [stdout]   |                      ^^^^^^ the trait `From<&Vec<{integer}>>` is not implemented for `String`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the following other types implement trait `From<T>`:
[INFO] [stdout]             `String` implements `From<&String>`
[INFO] [stdout]             `String` implements `From<&mut str>`
[INFO] [stdout]             `String` implements `From<&str>`
[INFO] [stdout]             `String` implements `From<Box<str>>`
[INFO] [stdout]             `String` implements `From<Cow<'a, str>>`
[INFO] [stdout]             `String` implements `From<char>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `random-example` (bin "random-example" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0277]: the trait bound `String: From<&Vec<{integer}>>` is not satisfied
[INFO] [stdout]  --> src/main.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |  let sparkle_heart = String::from(&sparkle_heart);
[INFO] [stdout]   |                      ^^^^^^ the trait `From<&Vec<{integer}>>` is not implemented for `String`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the following other types implement trait `From<T>`:
[INFO] [stdout]             `String` implements `From<&String>`
[INFO] [stdout]             `String` implements `From<&mut str>`
[INFO] [stdout]             `String` implements `From<&str>`
[INFO] [stdout]             `String` implements `From<Box<str>>`
[INFO] [stdout]             `String` implements `From<Cow<'a, str>>`
[INFO] [stdout]             `String` implements `From<char>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `random-example` (bin "random-example") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d4fc8ffab3d9ef213a88731ee326158e917803ea172bf4b25668c813eb293f65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4fc8ffab3d9ef213a88731ee326158e917803ea172bf4b25668c813eb293f65", kill_on_drop: false }`
[INFO] [stdout] d4fc8ffab3d9ef213a88731ee326158e917803ea172bf4b25668c813eb293f65