[INFO] fetching crate one_err 0.0.8...
[INFO] checking one_err-0.0.8 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate one_err 0.0.8 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate one_err 0.0.8 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate one_err 0.0.8
[INFO] finished tweaking crates.io crate one_err 0.0.8
[INFO] tweaked toml for crates.io crate one_err 0.0.8 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a006e9af4f47f260d4e5a5aaea9c779d3efa69559ff2bcfacceb29b0af03a0bd
[INFO] running `Command { std: "docker" "start" "-a" "a006e9af4f47f260d4e5a5aaea9c779d3efa69559ff2bcfacceb29b0af03a0bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a006e9af4f47f260d4e5a5aaea9c779d3efa69559ff2bcfacceb29b0af03a0bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a006e9af4f47f260d4e5a5aaea9c779d3efa69559ff2bcfacceb29b0af03a0bd", kill_on_drop: false }`
[INFO] [stdout] a006e9af4f47f260d4e5a5aaea9c779d3efa69559ff2bcfacceb29b0af03a0bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e914f652ac641ae58c799e05947e8e0e3950768982b3278d41fb7648fb3f8046
[INFO] running `Command { std: "docker" "start" "-a" "e914f652ac641ae58c799e05947e8e0e3950768982b3278d41fb7648fb3f8046", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]     Checking one_err v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] error: calls to `std::str::from_utf8` with a invalid literal always return an error
[INFO] [stdout]    --> src/test.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let e = std::str::from_utf8(&[0, 159, 146, 150])
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^-------------------^
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 the literal was valid UTF-8 up to the 1 bytes
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:1:9
[INFO] [stdout]     |
[INFO] [stdout] 1   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(invalid_from_utf8)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `one_err` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e914f652ac641ae58c799e05947e8e0e3950768982b3278d41fb7648fb3f8046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e914f652ac641ae58c799e05947e8e0e3950768982b3278d41fb7648fb3f8046", kill_on_drop: false }`
[INFO] [stdout] e914f652ac641ae58c799e05947e8e0e3950768982b3278d41fb7648fb3f8046
