[INFO] cloning repository https://github.com/tcharding/postfix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tcharding/postfix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcharding%2Fpostfix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcharding%2Fpostfix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b629db1a9cc20386883d59c30ed9de7aa991e7dc
[INFO] testing tcharding/postfix against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcharding%2Fpostfix" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tcharding/postfix on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tcharding/postfix
[INFO] finished tweaking git repo https://github.com/tcharding/postfix
[INFO] tweaked toml for git repo https://github.com/tcharding/postfix written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/tcharding/postfix already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.14
[INFO] [stderr]   Downloaded thiserror v1.0.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e81c4d25a60f8c970e565e8d5943e0a30dd99c4f12c043058ec0b8b0a98d99d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0e81c4d25a60f8c970e565e8d5943e0a30dd99c4f12c043058ec0b8b0a98d99d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e81c4d25a60f8c970e565e8d5943e0a30dd99c4f12c043058ec0b8b0a98d99d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e81c4d25a60f8c970e565e8d5943e0a30dd99c4f12c043058ec0b8b0a98d99d", kill_on_drop: false }`
[INFO] [stdout] 0e81c4d25a60f8c970e565e8d5943e0a30dd99c4f12c043058ec0b8b0a98d99d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] fc4f72db6445c8b88387d4e6b69eaae2a810732aff068cef9d2ec5aec4552f5e
[INFO] running `Command { std: "docker" "start" "-a" "fc4f72db6445c8b88387d4e6b69eaae2a810732aff068cef9d2ec5aec4552f5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.14
[INFO] [stderr]    Compiling thiserror v1.0.14
[INFO] [stderr]    Compiling postfix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.14s
[INFO] running `Command { std: "docker" "inspect" "fc4f72db6445c8b88387d4e6b69eaae2a810732aff068cef9d2ec5aec4552f5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc4f72db6445c8b88387d4e6b69eaae2a810732aff068cef9d2ec5aec4552f5e", kill_on_drop: false }`
[INFO] [stdout] fc4f72db6445c8b88387d4e6b69eaae2a810732aff068cef9d2ec5aec4552f5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57864abf4ea48c093d0d5cfe4ff01796cb477ee074a40b74c1cd180ad9a48efd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "57864abf4ea48c093d0d5cfe4ff01796cb477ee074a40b74c1cd180ad9a48efd", kill_on_drop: false }`
[INFO] [stderr]    Compiling postfix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "57864abf4ea48c093d0d5cfe4ff01796cb477ee074a40b74c1cd180ad9a48efd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57864abf4ea48c093d0d5cfe4ff01796cb477ee074a40b74c1cd180ad9a48efd", kill_on_drop: false }`
[INFO] [stdout] 57864abf4ea48c093d0d5cfe4ff01796cb477ee074a40b74c1cd180ad9a48efd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b8b5a893c5926ce7e10aa58ee8150d6bb573f856727dc5b8dea2c92df0ced0a9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b8b5a893c5926ce7e10aa58ee8150d6bb573f856727dc5b8dea2c92df0ced0a9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 36 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/postfix-c590115f951cd352)
[INFO] [stdout] test program::tests::can_add_with_two_arg ... ok
[INFO] [stdout] test program::tests::can_eq_false ... ok
[INFO] [stdout] test program::tests::can_div_with_one_arg ... ok
[INFO] [stdout] test program::tests::can_exec_basic_sequence ... ok
[INFO] [stdout] test program::tests::can_exec_complex_sequence ... ok
[INFO] [stdout] test program::tests::can_add_with_one_arg ... ok
[INFO] [stdout] test program::tests::can_nget_middle_index ... ok
[INFO] [stdout] test program::tests::can_lt_true ... ok
[INFO] [stdout] test program::tests::can_add_with_empty_args ... ok
[INFO] [stdout] test program::tests::can_pop ... ok
[INFO] [stdout] test program::tests::can_get_remainder_with_one_arg ... ok
[INFO] [stdout] test program::tests::can_select_0 ... ok
[INFO] [stdout] test program::tests::gt_false ... ok
[INFO] [stdout] test program::tests::eq_true ... ok
[INFO] [stdout] test program::tests::can_validate_balanced_parens ... ok
[INFO] [stdout] test program::tests::can_sub_with_two_arg ... ok
[INFO] [stdout] test program::tests::can_sub_negative_result ... ok
[INFO] [stdout] test program::tests::iterator_can_handle_simple_executable_sequences ... ok
[INFO] [stdout] test program::tests::lt_false ... ok
[INFO] [stdout] test program::tests::only_top_of_stack_returned ... ok
[INFO] [stdout] test program::tests::parses_basic ... ok
[INFO] [stdout] test program::tests::parses_complex ... ok
[INFO] [stdout] test program::tests::iterator_can_handle_nested_executable_sequences ... ok
[INFO] [stdout] test tests::can_split_valid_input_line_with_args ... ok
[INFO] [stdout] test tests::can_split_valid_input_line_with_empty_args ... ok
[INFO] [stdout] test program::tests::gt_true ... ok
[INFO] [stdout] test program::tests::can_swap ... ok
[INFO] [stdout] test program::tests::can_sub_with_empty_args ... ok
[INFO] [stdout] test program::tests::can_sub_with_one_arg ... ok
[INFO] [stdout] test program::tests::can_select_1 ... ok
[INFO] [stdout] test program::tests::can_mul_with_one_arg ... ok
[INFO] [stdout] test program::tests::can_nget_index_1 ... ok
[INFO] [stdout] test program::tests::can_nget_last_index ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/postfix-72de75f74b2e9750)
[INFO] [stdout] test program::tests::can_invalidate_unbalanced_close_parens - should panic ... ok
[INFO] [stdout] test program::tests::can_add_with_error - should panic ... ok
[INFO] [stdout] test program::tests::can_invalidate_unbalanced_open_parens - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests postfix
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - split (line 11) ... ok
[INFO] [stdout] test src/lib.rs - parse_args_program_string (line 29) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.93s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b8b5a893c5926ce7e10aa58ee8150d6bb573f856727dc5b8dea2c92df0ced0a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8b5a893c5926ce7e10aa58ee8150d6bb573f856727dc5b8dea2c92df0ced0a9", kill_on_drop: false }`
[INFO] [stdout] b8b5a893c5926ce7e10aa58ee8150d6bb573f856727dc5b8dea2c92df0ced0a9