[INFO] cloning repository https://github.com/mishajw/taneja
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mishajw/taneja" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmishajw%2Ftaneja", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmishajw%2Ftaneja'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5835e400a85b9576b4887f7d40187e2e53718161
[INFO] checking mishajw/taneja against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmishajw%2Ftaneja" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mishajw/taneja on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mishajw/taneja
[INFO] finished tweaking git repo https://github.com/mishajw/taneja
[INFO] tweaked toml for git repo https://github.com/mishajw/taneja written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mishajw/taneja already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v2.24.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] b293dd8cea693895299150b4ae10cf7fd8fa5e031006fe702b38906ca3eda07d
[INFO] running `Command { std: "docker" "start" "-a" "b293dd8cea693895299150b4ae10cf7fd8fa5e031006fe702b38906ca3eda07d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b293dd8cea693895299150b4ae10cf7fd8fa5e031006fe702b38906ca3eda07d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b293dd8cea693895299150b4ae10cf7fd8fa5e031006fe702b38906ca3eda07d", kill_on_drop: false }`
[INFO] [stdout] b293dd8cea693895299150b4ae10cf7fd8fa5e031006fe702b38906ca3eda07d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] d17804af8865a366978038ccae1a95b8c6ae5cfb90bff0009128294b0c9a9098
[INFO] running `Command { std: "docker" "start" "-a" "d17804af8865a366978038ccae1a95b8c6ae5cfb90bff0009128294b0c9a9098", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.22
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking clap v2.24.0
[INFO] [stderr]     Checking taneja v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/possible_expressions.rs:3:87
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn make_possible_expressions<T: Clone>(mut es: Vec<Expression<T>>, callback: &mut FnMut(Expression<T>)) {
[INFO] [stdout]   |                                                                                       ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Expression<T>)`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/possible_expressions.rs:3:87
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn make_possible_expressions<T: Clone>(mut es: Vec<Expression<T>>, callback: &mut FnMut(Expression<T>)) {
[INFO] [stdout]   |                                                                                       ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Expression<T>)`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.39s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d17804af8865a366978038ccae1a95b8c6ae5cfb90bff0009128294b0c9a9098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d17804af8865a366978038ccae1a95b8c6ae5cfb90bff0009128294b0c9a9098", kill_on_drop: false }`
[INFO] [stdout] d17804af8865a366978038ccae1a95b8c6ae5cfb90bff0009128294b0c9a9098