[INFO] updating cached repository https://github.com/georgyangelov/photon
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a7c64818d87a8e9d96657342d0e8023af5fb870b
[INFO] checking georgyangelov/photon against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeorgyangelov%2Fphoton" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/georgyangelov/photon on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/georgyangelov/photon
[INFO] finished tweaking git repo https://github.com/georgyangelov/photon
[INFO] tweaked toml for git repo https://github.com/georgyangelov/photon written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/georgyangelov/photon already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 850fc8a5908c03ffda58b6d747c6e406424975e04e35de88ad8a8297be39142d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "850fc8a5908c03ffda58b6d747c6e406424975e04e35de88ad8a8297be39142d"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking either v1.2.0
[INFO] [stderr]     Checking assert_matches v1.3.0
[INFO] [stderr]    Compiling im v12.2.0
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking photon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:55:20
[INFO] [stderr]    |
[INFO] [stderr] 55 |     NativeValue(Rc<NativeValue>),
[INFO] [stderr]    |                    ^^^^^^^^^^^ help: use `dyn`: `dyn NativeValue`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/support/char_iterator.rs:86:31
[INFO] [stderr]    |
[INFO] [stderr] 86 | fn read_one_byte(reader: &mut Read) -> Option<io::Result<u8>> {
[INFO] [stderr]    |                               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer.rs:74:38
[INFO] [stderr]    |
[INFO] [stderr] 74 |     chars_iter: CharIterator<&'a mut io::Read>
[INFO] [stderr]    |                                      ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer.rs:78:49
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn new(file_name: &str, source: &'a mut io::Read) -> Lexer<'a> {
[INFO] [stderr]    |                                                 ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/debug.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/debug.rs:81:34
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub fn assert_transform(actual: &fmt::Debug, expected: &fmt::Debug) {
[INFO] [stderr]    |                                  ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/debug.rs:81:57
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub fn assert_transform(actual: &fmt::Debug, expected: &fmt::Debug) {
[INFO] [stderr]    |                                                         ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `types::*`
[INFO] [stderr]  --> src/transforms/curry.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use types::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:55:20
[INFO] [stderr]    |
[INFO] [stderr] 55 |     NativeValue(Rc<NativeValue>),
[INFO] [stderr]    |                    ^^^^^^^^^^^ help: use `dyn`: `dyn NativeValue`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/support/char_iterator.rs:86:31
[INFO] [stderr]    |
[INFO] [stderr] 86 | fn read_one_byte(reader: &mut Read) -> Option<io::Result<u8>> {
[INFO] [stderr]    |                               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer.rs:74:38
[INFO] [stderr]    |
[INFO] [stderr] 74 |     chars_iter: CharIterator<&'a mut io::Read>
[INFO] [stderr]    |                                      ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer.rs:78:49
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn new(file_name: &str, source: &'a mut io::Read) -> Lexer<'a> {
[INFO] [stderr]    |                                                 ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/debug.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/debug.rs:81:34
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub fn assert_transform(actual: &fmt::Debug, expected: &fmt::Debug) {
[INFO] [stderr]    |                                  ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/debug.rs:81:57
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub fn assert_transform(actual: &fmt::Debug, expected: &fmt::Debug) {
[INFO] [stderr]    |                                                         ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `types::*`
[INFO] [stderr]  --> src/transforms/curry.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use types::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `no_args`
[INFO] [stderr]    --> src/compiler.rs:320:4
[INFO] [stderr]     |
[INFO] [stderr] 320 | fn no_args(args: &[Value], location: &Option<Location>) -> Result<(), Error> {
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `no_args`
[INFO] [stderr]    --> src/compiler.rs:320:4
[INFO] [stderr]     |
[INFO] [stderr] 320 | fn no_args(args: &[Value], location: &Option<Location>) -> Result<(), Error> {
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.11s
[INFO] running `"docker" "inspect" "850fc8a5908c03ffda58b6d747c6e406424975e04e35de88ad8a8297be39142d"`
[INFO] running `"docker" "rm" "-f" "850fc8a5908c03ffda58b6d747c6e406424975e04e35de88ad8a8297be39142d"`
[INFO] [stdout] 850fc8a5908c03ffda58b6d747c6e406424975e04e35de88ad8a8297be39142d