[INFO] fetching crate simple-shunting 0.1.2...
[INFO] checking simple-shunting-0.1.2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate simple-shunting 0.1.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate simple-shunting 0.1.2
[INFO] finished tweaking crates.io crate simple-shunting 0.1.2
[INFO] tweaked toml for crates.io crate simple-shunting 0.1.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple-shunting 0.1.2 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate simple-shunting 0.1.2 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29b59f96c783517b3b58d49a28953cd00e3e358e303d30438289805f6feaab87
[INFO] running `Command { std: "docker" "start" "-a" "29b59f96c783517b3b58d49a28953cd00e3e358e303d30438289805f6feaab87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29b59f96c783517b3b58d49a28953cd00e3e358e303d30438289805f6feaab87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29b59f96c783517b3b58d49a28953cd00e3e358e303d30438289805f6feaab87", kill_on_drop: false }`
[INFO] [stdout] 29b59f96c783517b3b58d49a28953cd00e3e358e303d30438289805f6feaab87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd9b29e20e01df17ecaf7a5d495611329a7fc4a153cf6c3417c360698d6ca84a
[INFO] running `Command { std: "docker" "start" "-a" "fd9b29e20e01df17ecaf7a5d495611329a7fc4a153cf6c3417c360698d6ca84a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling io-lifetimes v0.6.1
[INFO] [stderr]    Compiling rustix v0.34.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking linux-raw-sys v0.0.42
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking lexers v0.1.4
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking simple-shunting v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/rpnprint.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn build_ast(&self) -> AST {
[INFO] [stdout]    |                  ^^^^^     --- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn build_ast(&self) -> AST<'_> {
[INFO] [stdout]    |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking fd-lock v3.0.5
[INFO] [stderr]     Checking rustyline v9.1.2
[INFO] [stdout] error[E0432]: unresolved import `shunting`
[INFO] [stdout]  --> examples/tox.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use shunting::{MathContext, ShuntingParser, MathOp};
[INFO] [stdout]   |         ^^^^^^^^ use of unresolved module or unlinked crate `shunting`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `shunting`, use `cargo add shunting` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `shunting`
[INFO] [stdout]   --> examples/tox.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         use shunting::MathContext;
[INFO] [stdout]    |             ^^^^^^^^ use of unresolved module or unlinked crate `shunting`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `shunting`, use `cargo add shunting` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple-shunting` (example "tox") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/rpnprint.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn build_ast(&self) -> AST {
[INFO] [stdout]    |                  ^^^^^     --- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn build_ast(&self) -> AST<'_> {
[INFO] [stdout]    |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fd9b29e20e01df17ecaf7a5d495611329a7fc4a153cf6c3417c360698d6ca84a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd9b29e20e01df17ecaf7a5d495611329a7fc4a153cf6c3417c360698d6ca84a", kill_on_drop: false }`
[INFO] [stdout] fd9b29e20e01df17ecaf7a5d495611329a7fc4a153cf6c3417c360698d6ca84a