[INFO] cloning repository https://github.com/fschutt/miri-repl-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fschutt/miri-repl-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffschutt%2Fmiri-repl-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffschutt%2Fmiri-repl-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ea6de9e090bbf9f40c72d6edc1ec75d24b83939
[INFO] checking fschutt/miri-repl-test against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffschutt%2Fmiri-repl-test" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fschutt/miri-repl-test on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fschutt/miri-repl-test
[INFO] finished tweaking git repo https://github.com/fschutt/miri-repl-test
[INFO] tweaked toml for git repo https://github.com/fschutt/miri-repl-test written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/fschutt/miri-repl-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang/miri`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2fc5c3f27d498de0df6f7d925d8c3754bf00cb1b3f137053393bc94942045b7a
[INFO] running `Command { std: "docker" "start" "-a" "2fc5c3f27d498de0df6f7d925d8c3754bf00cb1b3f137053393bc94942045b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fc5c3f27d498de0df6f7d925d8c3754bf00cb1b3f137053393bc94942045b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fc5c3f27d498de0df6f7d925d8c3754bf00cb1b3f137053393bc94942045b7a", kill_on_drop: false }`
[INFO] [stdout] 2fc5c3f27d498de0df6f7d925d8c3754bf00cb1b3f137053393bc94942045b7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ba4887e5d6f2fba59834986ba0476697c0840fa7b8e41900fc36ef4fba6fa85
[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" "6ba4887e5d6f2fba59834986ba0476697c0840fa7b8e41900fc36ef4fba6fa85", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking shell-escape v0.1.4
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking directories v1.0.2
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]    Compiling vergen v3.0.4
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling miri v0.1.0 (https://github.com/rust-lang/miri?rev=96b22259cc0bacfeb7ca7fb9a370cf23e4649c36#96b22259)
[INFO] [stderr]     Checking cargo_metadata v0.6.4
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/miri-8f8b361f28c5a248/96b2225/src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | extern crate syntax;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `miri`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6ba4887e5d6f2fba59834986ba0476697c0840fa7b8e41900fc36ef4fba6fa85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ba4887e5d6f2fba59834986ba0476697c0840fa7b8e41900fc36ef4fba6fa85", kill_on_drop: false }`
[INFO] [stdout] 6ba4887e5d6f2fba59834986ba0476697c0840fa7b8e41900fc36ef4fba6fa85