[INFO] cloning repository https://github.com/illumination-k/rs9cc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/illumination-k/rs9cc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fillumination-k%2Frs9cc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fillumination-k%2Frs9cc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c2570e5d250435267a331b0a4d66ca052cb477d
[INFO] testing illumination-k/rs9cc against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fillumination-k%2Frs9cc" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/illumination-k/rs9cc on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/illumination-k/rs9cc
[INFO] finished tweaking git repo https://github.com/illumination-k/rs9cc
[INFO] tweaked toml for git repo https://github.com/illumination-k/rs9cc written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/illumination-k/rs9cc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 5d42689e9269569564c250bd732868c14f4d2432aaffef1cda082d4a683d8e7e
[INFO] running `Command { std: "docker" "start" "-a" "5d42689e9269569564c250bd732868c14f4d2432aaffef1cda082d4a683d8e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d42689e9269569564c250bd732868c14f4d2432aaffef1cda082d4a683d8e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d42689e9269569564c250bd732868c14f4d2432aaffef1cda082d4a683d8e7e", kill_on_drop: false }`
[INFO] [stdout] 5d42689e9269569564c250bd732868c14f4d2432aaffef1cda082d4a683d8e7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--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] 1cf2a3913c44d7c3cb63f486bb83cc9ef0babaeb5099e7519c749f851aff5c6c
[INFO] running `Command { std: "docker" "start" "-a" "1cf2a3913c44d7c3cb63f486bb83cc9ef0babaeb5099e7519c749f851aff5c6c", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling rs9cc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `ops`
[INFO] [stdout]   --> src/token.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn ops(&self, len: usize) -> Vec<String> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `args` is never read
[INFO] [stdout]   --> src/bin/compile.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 |                     args = vec![args[0].clone(), args[1..].join("")];
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.77s
[INFO] running `Command { std: "docker" "inspect" "1cf2a3913c44d7c3cb63f486bb83cc9ef0babaeb5099e7519c749f851aff5c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cf2a3913c44d7c3cb63f486bb83cc9ef0babaeb5099e7519c749f851aff5c6c", kill_on_drop: false }`
[INFO] [stdout] 1cf2a3913c44d7c3cb63f486bb83cc9ef0babaeb5099e7519c749f851aff5c6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--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] c7d3da1d31f7f5559784aedc33fcec1fd52533630a42da9710f88fa06ccde0b8
[INFO] running `Command { std: "docker" "start" "-a" "c7d3da1d31f7f5559784aedc33fcec1fd52533630a42da9710f88fa06ccde0b8", kill_on_drop: false }`
[INFO] [stdout] warning: associated function is never used: `ops`
[INFO] [stdout]   --> src/token.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn ops(&self, len: usize) -> Vec<String> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling rs9cc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `args` is never read
[INFO] [stdout]   --> src/bin/compile.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 |                     args = vec![args[0].clone(), args[1..].join("")];
[INFO] [stdout]    |                     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/token.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let mut op_words: OpWords = Default::default();
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ops`
[INFO] [stdout]   --> src/token.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn ops(&self, len: usize) -> Vec<String> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.69s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rs9cc-6838cbf462df8696)
[INFO] [stderr]   Executable unittests src/bin/compile.rs (/opt/rustwide/target/debug/deps/compile-479fc500387c2008)
[INFO] [stderr]   Executable unittests src/bin/dot.rs (/opt/rustwide/target/debug/deps/dot-cf5fcdb53842d5bb)
[INFO] running `Command { std: "docker" "inspect" "c7d3da1d31f7f5559784aedc33fcec1fd52533630a42da9710f88fa06ccde0b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7d3da1d31f7f5559784aedc33fcec1fd52533630a42da9710f88fa06ccde0b8", kill_on_drop: false }`
[INFO] [stdout] c7d3da1d31f7f5559784aedc33fcec1fd52533630a42da9710f88fa06ccde0b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] f7993343003e3ae664abe90fba93ea0436b03491ccdcf2f917c2398cd6d4d7c2
[INFO] running `Command { std: "docker" "start" "-a" "f7993343003e3ae664abe90fba93ea0436b03491ccdcf2f917c2398cd6d4d7c2", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr] warning: associated function is never used: `ops`
[INFO] [stderr]   --> src/token.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn ops(&self, len: usize) -> Vec<String> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rs9cc` (lib) generated 1 warning
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/token.rs:172:13
[INFO] [stderr]     |
[INFO] [stderr] 172 |         let mut op_words: OpWords = Default::default();
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rs9cc` (lib test) generated 2 warnings (1 duplicate)
[INFO] [stderr] warning: value assigned to `args` is never read
[INFO] [stderr]   --> src/bin/compile.rs:28:21
[INFO] [stderr]    |
[INFO] [stderr] 28 |                     args = vec![args[0].clone(), args[1..].join("")];
[INFO] [stderr]    |                     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `rs9cc` (bin "compile" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rs9cc-6838cbf462df8696)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test node::test::test_gen ... ok
[INFO] [stdout] test dot::test::test_dot_1 ... ok
[INFO] [stdout] test node::test::test_eq ... ok
[INFO] [stdout] test node::test::test_node ... ok
[INFO] [stdout] test node::test::test_unary_node ... ok
[INFO] [stdout] test token::test::test_op_words ... ok
[INFO] [stdout] test token::test::test_tokenizer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/compile.rs (/opt/rustwide/target/debug/deps/compile-479fc500387c2008)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/dot.rs (/opt/rustwide/target/debug/deps/dot-cf5fcdb53842d5bb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rs9cc
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f7993343003e3ae664abe90fba93ea0436b03491ccdcf2f917c2398cd6d4d7c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7993343003e3ae664abe90fba93ea0436b03491ccdcf2f917c2398cd6d4d7c2", kill_on_drop: false }`
[INFO] [stdout] f7993343003e3ae664abe90fba93ea0436b03491ccdcf2f917c2398cd6d4d7c2