[INFO] fetching crate tmp_vec 0.0.1...
[INFO] testing tmp_vec-0.0.1 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate tmp_vec 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tmp_vec 0.0.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tmp_vec 0.0.1
[INFO] finished tweaking crates.io crate tmp_vec 0.0.1
[INFO] tweaked toml for crates.io crate tmp_vec 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f562c0bbaebdfe5a71c7d22d4473cd148bbb23872babaf57328a8c35152d18f
[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" "5f562c0bbaebdfe5a71c7d22d4473cd148bbb23872babaf57328a8c35152d18f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f562c0bbaebdfe5a71c7d22d4473cd148bbb23872babaf57328a8c35152d18f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f562c0bbaebdfe5a71c7d22d4473cd148bbb23872babaf57328a8c35152d18f", kill_on_drop: false }`
[INFO] [stdout] 5f562c0bbaebdfe5a71c7d22d4473cd148bbb23872babaf57328a8c35152d18f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] ae7c7ade21bd83a22c8a207c40d647ab2b541d93ae09b2f06f35a44421b9819f
[INFO] running `Command { std: "docker" "start" "-a" "ae7c7ade21bd83a22c8a207c40d647ab2b541d93ae09b2f06f35a44421b9819f", kill_on_drop: false }`
[INFO] [stderr]    Compiling tmp_vec v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "ae7c7ade21bd83a22c8a207c40d647ab2b541d93ae09b2f06f35a44421b9819f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae7c7ade21bd83a22c8a207c40d647ab2b541d93ae09b2f06f35a44421b9819f", kill_on_drop: false }`
[INFO] [stdout] ae7c7ade21bd83a22c8a207c40d647ab2b541d93ae09b2f06f35a44421b9819f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75671a4613dea3fcd76cfa8cd503024be10c6473e0ca90d410edacd921497b7e
[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" "75671a4613dea3fcd76cfa8cd503024be10c6473e0ca90d410edacd921497b7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling tmp_vec v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "75671a4613dea3fcd76cfa8cd503024be10c6473e0ca90d410edacd921497b7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75671a4613dea3fcd76cfa8cd503024be10c6473e0ca90d410edacd921497b7e", kill_on_drop: false }`
[INFO] [stdout] 75671a4613dea3fcd76cfa8cd503024be10c6473e0ca90d410edacd921497b7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] ee95a03bd2c0d3f26e929d835f62c110cc9ad50caa41d517abda5f7fbbfbe789
[INFO] running `Command { std: "docker" "start" "-a" "ee95a03bd2c0d3f26e929d835f62c110cc9ad50caa41d517abda5f7fbbfbe789", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tmp_vec-4c89e175163d4427
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tmp_vec
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 3) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 19) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 3) stdout ----
[INFO] [stdout] error: expected identifier, found `...`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ...
[INFO] [stdout]   |     ^^^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `...`
[INFO] [stdout]   --> src/lib.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         ...
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]    |
[INFO] [stdout] 11 |         ..
[INFO] [stdout]    |
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout] 11 |         ..=
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0586]: inclusive range with no end
[INFO] [stdout]   --> src/lib.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         ...
[INFO] [stdout]    |         ^^^ help: use `..` instead
[INFO] [stdout]    |
[INFO] [stdout]    = note: inclusive ranges must be bounded at the end (`..=b` or `a..=b`)
[INFO] [stdout] 
[INFO] [stdout] error: only foreign or `unsafe extern "C" functions may be C-variadic
[INFO] [stdout]  --> src/lib.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn do_something(&mut self, ...){
[INFO] [stdout]   |                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Guard` in this scope
[INFO] [stdout]   --> src/lib.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let mut guards: Vec<Guard<'x>> = Vec::with_capacity(xxx.len());
[INFO] [stdout]    |                             ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `xxx` in this scope
[INFO] [stdout]   --> src/lib.rs:11:61
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let mut guards: Vec<Guard<'x>> = Vec::with_capacity(xxx.len());
[INFO] [stdout]    |                                                             ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: C-variadic functions are unstable
[INFO] [stdout]   --> src/lib.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | /     fn do_something(&mut self, ...){
[INFO] [stdout] 9  | |         //FIXME: avoid allocation. can't fix this because T is lifetime-bound.
[INFO] [stdout] 10 | |         let mut guards: Vec<Guard<'x>> = Vec::with_capacity(xxx.len());
[INFO] [stdout] 11 | |         ...
[INFO] [stdout] 12 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #44930 <https://github.com/rust-lang/rust/issues/44930> for more information
[INFO] [stdout] 
[INFO] [stdout] error[E0261]: use of undeclared lifetime name `'x`
[INFO] [stdout]   --> src/lib.rs:11:35
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let mut guards: Vec<Guard<'x>> = Vec::with_capacity(xxx.len());
[INFO] [stdout]    |                                   ^^ undeclared lifetime
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing lifetime `'x` here
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl<'x> Foo {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] help: consider introducing lifetime `'x` here
[INFO] [stdout]    |
[INFO] [stdout] 8  |     fn do_something<'x>(&mut self, ...){
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0261, E0412, E0425, E0586, E0658.
[INFO] [stdout] For more information about an error, try `rustc --explain E0261`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 19) stdout ----
[INFO] [stdout] error: expected identifier, found `...`
[INFO] [stdout]  --> src/lib.rs:24:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ...
[INFO] [stdout]   |     ^^^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token: `...`
[INFO] [stdout]   --> src/lib.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |          ...
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]    |
[INFO] [stdout] 14 |          ..
[INFO] [stdout]    |
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout] 14 |          ..=
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0586]: inclusive range with no end
[INFO] [stdout]   --> src/lib.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |          ...
[INFO] [stdout]    |          ^^^ help: use `..` instead
[INFO] [stdout]    |
[INFO] [stdout]    = note: inclusive ranges must be bounded at the end (`..=b` or `a..=b`)
[INFO] [stdout] 
[INFO] [stdout] error: only foreign or `unsafe extern "C" functions may be C-variadic
[INFO] [stdout]   --> src/lib.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn do_something(&mut self, ...){
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Guard` in this scope
[INFO] [stdout]  --> src/lib.rs:23:24
[INFO] [stdout]   |
[INFO] [stdout] 7 |     tmp_guards: TmpVec<Guard<'static>>,
[INFO] [stdout]   |                        ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: C-variadic functions are unstable
[INFO] [stdout]   --> src/lib.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     fn do_something(&mut self, ...){
[INFO] [stdout] 13 | |          let mut guards = self.tmp_guards.borrow_mut();
[INFO] [stdout] 14 | |          ...
[INFO] [stdout] 15 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #44930 <https://github.com/rust-lang/rust/issues/44930> for more information
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0586, E0658.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 19)
[INFO] [stdout]     src/lib.rs - (line 3)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "ee95a03bd2c0d3f26e929d835f62c110cc9ad50caa41d517abda5f7fbbfbe789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee95a03bd2c0d3f26e929d835f62c110cc9ad50caa41d517abda5f7fbbfbe789", kill_on_drop: false }`
[INFO] [stdout] ee95a03bd2c0d3f26e929d835f62c110cc9ad50caa41d517abda5f7fbbfbe789
