[INFO] cloning repository https://github.com/dadalton/rust-in-action
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dadalton/rust-in-action" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdadalton%2Frust-in-action", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdadalton%2Frust-in-action'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3eb87260fb6d681246dfe4c865df408e278b58b8
[INFO] testing dadalton/rust-in-action against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdadalton%2Frust-in-action" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
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[INFO] started tweaking git repo https://github.com/dadalton/rust-in-action
[INFO] finished tweaking git repo https://github.com/dadalton/rust-in-action
[INFO] tweaked toml for git repo https://github.com/dadalton/rust-in-action written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dadalton/rust-in-action on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dadalton/rust-in-action 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.4.0
[INFO] [stderr]   Downloaded num-complex v0.4.2
[INFO] [stderr]   Downloaded num-bigint v0.4.3
[INFO] [stderr]   Downloaded libc v0.2.138
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] caf60c854dbfa1515dfd80ee0011c22f8da0827186d7d1cbf13dae10a49ff576
[INFO] running `Command { std: "docker" "start" "-a" "caf60c854dbfa1515dfd80ee0011c22f8da0827186d7d1cbf13dae10a49ff576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "caf60c854dbfa1515dfd80ee0011c22f8da0827186d7d1cbf13dae10a49ff576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caf60c854dbfa1515dfd80ee0011c22f8da0827186d7d1cbf13dae10a49ff576", kill_on_drop: false }`
[INFO] [stdout] caf60c854dbfa1515dfd80ee0011c22f8da0827186d7d1cbf13dae10a49ff576
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af9c28420d7480393bf80d31c217835b949e710f63e33689a65498e4b6aadcf1
[INFO] running `Command { std: "docker" "start" "-a" "af9c28420d7480393bf80d31c217835b949e710f63e33689a65498e4b6aadcf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num-complex v0.4.2
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling rust-in-action v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read `src/main.rs`: stream did not contain valid UTF-8
[INFO] [stdout]   |
[INFO] [stdout]   = note: invalid utf-8 at byte `0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-in-action` (bin "rust-in-action") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "af9c28420d7480393bf80d31c217835b949e710f63e33689a65498e4b6aadcf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af9c28420d7480393bf80d31c217835b949e710f63e33689a65498e4b6aadcf1", kill_on_drop: false }`
[INFO] [stdout] af9c28420d7480393bf80d31c217835b949e710f63e33689a65498e4b6aadcf1