[INFO] cloning repository https://github.com/rfaulhaber/sc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rfaulhaber/sc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frfaulhaber%2Fsc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frfaulhaber%2Fsc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1c9b057c9e56d0e66b742ae205e75bf9f3af8c9
[INFO] testing rfaulhaber/sc against master#ff2c56344c764af598ad33027e9c7a48881808ef for pr-118825
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frfaulhaber%2Fsc" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rfaulhaber/sc on toolchain ff2c56344c764af598ad33027e9c7a48881808ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff2c56344c764af598ad33027e9c7a48881808ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rfaulhaber/sc
[INFO] finished tweaking git repo https://github.com/rfaulhaber/sc
[INFO] tweaked toml for git repo https://github.com/rfaulhaber/sc written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rfaulhaber/sc 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" "+ff2c56344c764af598ad33027e9c7a48881808ef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing rfaulhaber/sc against try#5e4273472e1b2f223618a9b3def795f6224f241d for pr-118825
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frfaulhaber%2Fsc" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rfaulhaber/sc on toolchain 5e4273472e1b2f223618a9b3def795f6224f241d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e4273472e1b2f223618a9b3def795f6224f241d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rfaulhaber/sc
[INFO] finished tweaking git repo https://github.com/rfaulhaber/sc
[INFO] tweaked toml for git repo https://github.com/rfaulhaber/sc written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rfaulhaber/sc 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" "+5e4273472e1b2f223618a9b3def795f6224f241d" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustyline v6.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5e4273472e1b2f223618a9b3def795f6224f241d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02d79cbf82cff6986b0e3915791a7bfdbc01398bf1127ed1322368211abfca60
[INFO] running `Command { std: "docker" "start" "-a" "02d79cbf82cff6986b0e3915791a7bfdbc01398bf1127ed1322368211abfca60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02d79cbf82cff6986b0e3915791a7bfdbc01398bf1127ed1322368211abfca60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02d79cbf82cff6986b0e3915791a7bfdbc01398bf1127ed1322368211abfca60", kill_on_drop: false }`
[INFO] [stdout] 02d79cbf82cff6986b0e3915791a7bfdbc01398bf1127ed1322368211abfca60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5e4273472e1b2f223618a9b3def795f6224f241d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14c422eeb4741c50addf25c0c40200d9b076929c75febb216529173197946df7
[INFO] running `Command { std: "docker" "start" "-a" "14c422eeb4741c50addf25c0c40200d9b076929c75febb216529173197946df7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling rustyline v6.0.0
[INFO] [stderr]    Compiling sc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/expr.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 Some(Term::UnOp(op)) => unimplemented!(),
[INFO] [stdout]    |                                 ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Scientific` and `Programmer` are never constructed
[INFO] [stdout]   --> src/config.rs:13:2
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Mode {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] 12 |     Basic,
[INFO] [stdout] 13 |     Scientific,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 14 |     Programmer,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_number` is never used
[INFO] [stdout]    --> src/expr.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn is_number(s: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "14c422eeb4741c50addf25c0c40200d9b076929c75febb216529173197946df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14c422eeb4741c50addf25c0c40200d9b076929c75febb216529173197946df7", kill_on_drop: false }`
[INFO] [stdout] 14c422eeb4741c50addf25c0c40200d9b076929c75febb216529173197946df7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5e4273472e1b2f223618a9b3def795f6224f241d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19bc06bc1ab6196cdabb8d51863aba0c977f7a75a1032f796ec4a2d265a2e260
[INFO] running `Command { std: "docker" "start" "-a" "19bc06bc1ab6196cdabb8d51863aba0c977f7a75a1032f796ec4a2d265a2e260", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/expr.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 Some(Term::UnOp(op)) => unimplemented!(),
[INFO] [stdout]    |                                 ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Scientific` and `Programmer` are never constructed
[INFO] [stdout]   --> src/config.rs:13:2
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Mode {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] 12 |     Basic,
[INFO] [stdout] 13 |     Scientific,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 14 |     Programmer,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `is_number` is never used
[INFO] [stdout]    --> src/expr.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn is_number(s: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]   --> src/expr.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 Some(Term::UnOp(op)) => unimplemented!(),
[INFO] [stdout]    |                                 ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Scientific` and `Programmer` are never constructed
[INFO] [stdout]   --> src/config.rs:13:2
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Mode {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] 12 |     Basic,
[INFO] [stdout] 13 |     Scientific,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 14 |     Programmer,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_number` is never used
[INFO] [stdout]    --> src/expr.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn is_number(s: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "19bc06bc1ab6196cdabb8d51863aba0c977f7a75a1032f796ec4a2d265a2e260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19bc06bc1ab6196cdabb8d51863aba0c977f7a75a1032f796ec4a2d265a2e260", kill_on_drop: false }`
[INFO] [stdout] 19bc06bc1ab6196cdabb8d51863aba0c977f7a75a1032f796ec4a2d265a2e260
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5e4273472e1b2f223618a9b3def795f6224f241d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0733e0ae3f127d3a13d43539fab12399c18b172e914cade2ecabde38846fd95f
[INFO] running `Command { std: "docker" "start" "-a" "0733e0ae3f127d3a13d43539fab12399c18b172e914cade2ecabde38846fd95f", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `op`
[INFO] [stderr]   --> src/expr.rs:56:21
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 Some(Term::UnOp(op)) => unimplemented!(),
[INFO] [stderr]    |                                 ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Scientific` and `Programmer` are never constructed
[INFO] [stderr]   --> src/config.rs:13:2
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub enum Mode {
[INFO] [stderr]    |          ---- variants in this enum
[INFO] [stderr] 12 |     Basic,
[INFO] [stderr] 13 |     Scientific,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 14 |     Programmer,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `is_number` is never used
[INFO] [stderr]    --> src/expr.rs:145:4
[INFO] [stderr]     |
[INFO] [stderr] 145 | fn is_number(s: &str) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `sc` (lib) generated 3 warnings (run `cargo fix --lib -p sc` to apply 1 suggestion)
[INFO] [stderr] warning: `sc` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sc-152b63dad09b032d)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test expr::tests::expr_push_evaluates ... ok
[INFO] [stdout] test expr::tests::expr_evaluates ... ok
[INFO] [stdout] test expr::tests::expr_parses ... ok
[INFO] [stdout] test expr::tests::pushed_expr_evaluates ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sc-7cdfa4913309d531)
[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 sc
[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" "0733e0ae3f127d3a13d43539fab12399c18b172e914cade2ecabde38846fd95f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0733e0ae3f127d3a13d43539fab12399c18b172e914cade2ecabde38846fd95f", kill_on_drop: false }`
[INFO] [stdout] 0733e0ae3f127d3a13d43539fab12399c18b172e914cade2ecabde38846fd95f