[INFO] cloning repository https://github.com/ubnt-intrepid/rust-ast
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ubnt-intrepid/rust-ast" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fubnt-intrepid%2Frust-ast", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fubnt-intrepid%2Frust-ast'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 666be7a3f847cbd5e0577111ee0e6790786f6d5a
[INFO] checking ubnt-intrepid/rust-ast against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fubnt-intrepid%2Frust-ast" "/workspace/builds/worker-109/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ubnt-intrepid/rust-ast on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ubnt-intrepid/rust-ast
[INFO] finished tweaking git repo https://github.com/ubnt-intrepid/rust-ast
[INFO] tweaked toml for git repo https://github.com/ubnt-intrepid/rust-ast written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate git repo https://github.com/ubnt-intrepid/rust-ast already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fee828efb0ce6a91ccf2c606a1ae9cc62749b5e20997b967485b8ef410564aa3
[INFO] running `Command { std: "docker" "start" "-a" "fee828efb0ce6a91ccf2c606a1ae9cc62749b5e20997b967485b8ef410564aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fee828efb0ce6a91ccf2c606a1ae9cc62749b5e20997b967485b8ef410564aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fee828efb0ce6a91ccf2c606a1ae9cc62749b5e20997b967485b8ef410564aa3", kill_on_drop: false }`
[INFO] [stdout] fee828efb0ce6a91ccf2c606a1ae9cc62749b5e20997b967485b8ef410564aa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 334ac31f55734f64ee0714adc471b51ceaab596b5759ecf15781a30d7427f917
[INFO] running `Command { std: "docker" "start" "-a" "334ac31f55734f64ee0714adc471b51ceaab596b5759ecf15781a30d7427f917", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rust-ast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast_closure.rs:33:27
[INFO] [stdout]    |
[INFO] [stdout] 33 |             let i = match try!(eval(*e1, env)) {
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast_closure.rs:37:27
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let j = match try!(eval(*e2, env)) {
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast_closure.rs:45:27
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let i = match try!(eval(*e1, env)) {
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast_closure.rs:49:27
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let j = match try!(eval(*e2, env)) {
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast_closure.rs:63:42
[INFO] [stdout]    |
[INFO] [stdout] 63 |             let (x, e, mut env_) = match try!(eval(*e1, env)) {
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast_closure.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |             let v = try!(eval(*e2, env));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast_closure.rs:33:27
[INFO] [stdout]    |
[INFO] [stdout] 33 |             let i = match try!(eval(*e1, env)) {
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast_closure.rs:37:27
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let j = match try!(eval(*e2, env)) {
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast_closure.rs:45:27
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let i = match try!(eval(*e1, env)) {
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast_closure.rs:49:27
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let j = match try!(eval(*e2, env)) {
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast_closure.rs:63:42
[INFO] [stdout]    |
[INFO] [stdout] 63 |             let (x, e, mut env_) = match try!(eval(*e1, env)) {
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/ast_closure.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |             let v = try!(eval(*e2, env));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.68s
[INFO] running `Command { std: "docker" "inspect" "334ac31f55734f64ee0714adc471b51ceaab596b5759ecf15781a30d7427f917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "334ac31f55734f64ee0714adc471b51ceaab596b5759ecf15781a30d7427f917", kill_on_drop: false }`
[INFO] [stdout] 334ac31f55734f64ee0714adc471b51ceaab596b5759ecf15781a30d7427f917