[INFO] cloning repository https://github.com/emm312/combi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emm312/combi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femm312%2Fcombi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femm312%2Fcombi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a635a8d95a4cec52be2623804fae4d9d236eace9
[INFO] testing emm312/combi against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femm312%2Fcombi" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/emm312/combi
[INFO] finished tweaking git repo https://github.com/emm312/combi
[INFO] tweaked toml for git repo https://github.com/emm312/combi written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/emm312/combi on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/emm312/combi 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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fd20a22d075f72e60ac61b4bfc708fd59390bb69dd9fc04837af92b1b248e1c
[INFO] running `Command { std: "docker" "start" "-a" "2fd20a22d075f72e60ac61b4bfc708fd59390bb69dd9fc04837af92b1b248e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fd20a22d075f72e60ac61b4bfc708fd59390bb69dd9fc04837af92b1b248e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fd20a22d075f72e60ac61b4bfc708fd59390bb69dd9fc04837af92b1b248e1c", kill_on_drop: false }`
[INFO] [stdout] 2fd20a22d075f72e60ac61b4bfc708fd59390bb69dd9fc04837af92b1b248e1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c0b610c40580b26f42777df6adec3fc3b929622e8c051ebc489beb4fcc2fa3d
[INFO] running `Command { std: "docker" "start" "-a" "0c0b610c40580b26f42777df6adec3fc3b929622e8c051ebc489beb4fcc2fa3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling combi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "0c0b610c40580b26f42777df6adec3fc3b929622e8c051ebc489beb4fcc2fa3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c0b610c40580b26f42777df6adec3fc3b929622e8c051ebc489beb4fcc2fa3d", kill_on_drop: false }`
[INFO] [stdout] 0c0b610c40580b26f42777df6adec3fc3b929622e8c051ebc489beb4fcc2fa3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12402cfbac8dddb609cfb502f93498cf84e63d04dfb0770a43c1f6b37ee38936
[INFO] running `Command { std: "docker" "start" "-a" "12402cfbac8dddb609cfb502f93498cf84e63d04dfb0770a43c1f6b37ee38936", kill_on_drop: false }`
[INFO] [stderr]    Compiling combi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> examples/json.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "12402cfbac8dddb609cfb502f93498cf84e63d04dfb0770a43c1f6b37ee38936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12402cfbac8dddb609cfb502f93498cf84e63d04dfb0770a43c1f6b37ee38936", kill_on_drop: false }`
[INFO] [stdout] 12402cfbac8dddb609cfb502f93498cf84e63d04dfb0770a43c1f6b37ee38936
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 166926ab0b72528f81298cb87a6786801a9224d95ba554e1466444f5f3b87dd9
[INFO] running `Command { std: "docker" "start" "-a" "166926ab0b72528f81298cb87a6786801a9224d95ba554e1466444f5f3b87dd9", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::time::Instant`
[INFO] [stderr]  --> examples/json.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::time::Instant;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `combi` (example "json") generated 1 warning (run `cargo fix --example "json" -p combi` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/combi-c58a95e9adda38d7)
[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/main.rs (/opt/rustwide/target/debug/deps/combi-056fcd69ad042f7a)
[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] [stderr]    Doc-tests combi
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/defs.rs - defs::Stream (line 15) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/defs.rs - defs::Stream (line 15) stdout ----
[INFO] [stdout] error: expected `;`, found `assert_eq`
[INFO] [stdout]   --> src/defs.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 |     assert_eq!(x, 'f')
[INFO] [stdout]    |                       ^ help: add `;` here
[INFO] [stdout] 18 |     assert_eq!(xs, "o")
[INFO] [stdout]    |     --------- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found keyword `if`
[INFO] [stdout]   --> src/defs.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 |     assert_eq!(xs, "o")
[INFO] [stdout]    |                        ^ help: add `;` here
[INFO] [stdout] 19 |     if let Some(x,xs) = xs.uncons() {
[INFO] [stdout]    |     -- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found `assert_eq`
[INFO] [stdout]   --> src/defs.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 |         assert_eq!(x, 'o')
[INFO] [stdout]    |                           ^ help: add `;` here
[INFO] [stdout] 21 |         assert_eq!(None, xs.uncons())
[INFO] [stdout]    |         --------- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `uncons` found for reference `&'static str` in the current scope
[INFO] [stdout]   --> src/defs.rs:16:26
[INFO] [stdout]    |
[INFO] [stdout] 16 | if let Some(x,xs) = "fo".uncons() {
[INFO] [stdout]    |                          ^^^^^^ method not found in `&'static str`
[INFO] [stdout] 
[INFO] [stdout] error[E0023]: this pattern has 2 fields, but the corresponding tuple variant has 1 field
[INFO] [stdout]   --> src/defs.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 | if let Some(x,xs) = "fo".uncons() {
[INFO] [stdout]    |             ^ ^^ expected 1 field, found 2
[INFO] [stdout]    |
[INFO] [stdout]   --> /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/option.rs:608:55
[INFO] [stdout]    |
[INFO] [stdout]    = note: tuple variant has 1 field
[INFO] [stdout] 
[INFO] [stdout] error[E0023]: this pattern has 2 fields, but the corresponding tuple variant has 1 field
[INFO] [stdout]   --> src/defs.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |     if let Some(x,xs) = xs.uncons() {
[INFO] [stdout]    |                 ^ ^^ expected 1 field, found 2
[INFO] [stdout]    |
[INFO] [stdout]   --> /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/option.rs:608:55
[INFO] [stdout]    |
[INFO] [stdout]    = note: tuple variant has 1 field
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0023, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0023`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/defs.rs - defs::Stream (line 15)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "166926ab0b72528f81298cb87a6786801a9224d95ba554e1466444f5f3b87dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "166926ab0b72528f81298cb87a6786801a9224d95ba554e1466444f5f3b87dd9", kill_on_drop: false }`
[INFO] [stdout] 166926ab0b72528f81298cb87a6786801a9224d95ba554e1466444f5f3b87dd9
