[INFO] fetching crate cvar 0.4.1...
[INFO] testing cvar-0.4.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate cvar 0.4.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate cvar 0.4.1
[INFO] finished tweaking crates.io crate cvar 0.4.1
[INFO] tweaked toml for crates.io crate cvar 0.4.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cvar 0.4.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cvar 0.4.1 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5af58c7acf785923c0505375562168766c23eba435b59f7ef88d2605977f4ff1
[INFO] running `Command { std: "docker" "start" "-a" "5af58c7acf785923c0505375562168766c23eba435b59f7ef88d2605977f4ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5af58c7acf785923c0505375562168766c23eba435b59f7ef88d2605977f4ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5af58c7acf785923c0505375562168766c23eba435b59f7ef88d2605977f4ff1", kill_on_drop: false }`
[INFO] [stdout] 5af58c7acf785923c0505375562168766c23eba435b59f7ef88d2605977f4ff1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 940fcaf57136bb6848561d05b33460fbf2b32604ca7bb1bede225f910ef58ed2
[INFO] running `Command { std: "docker" "start" "-a" "940fcaf57136bb6848561d05b33460fbf2b32604ca7bb1bede225f910ef58ed2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cvar v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/console.rs:225:57
[INFO] [stdout]     |
[INFO] [stdout] 225 | fn split_at<'a>(path: &'a str, index: usize) -> Option<(&str, &u8, &str)> {
[INFO] [stdout]     |                        --                               ^^^^  ^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]     |                        |                                |     |
[INFO] [stdout]     |                        |                                |     the same lifetime is elided here
[INFO] [stdout]     |                        the lifetime is named here       the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 225 | fn split_at<'a>(path: &'a str, index: usize) -> Option<(&'a str, &'a u8, &'a str)> {
[INFO] [stdout]     |                                                          ++       ++      ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "940fcaf57136bb6848561d05b33460fbf2b32604ca7bb1bede225f910ef58ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "940fcaf57136bb6848561d05b33460fbf2b32604ca7bb1bede225f910ef58ed2", kill_on_drop: false }`
[INFO] [stdout] 940fcaf57136bb6848561d05b33460fbf2b32604ca7bb1bede225f910ef58ed2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66b93b980014ad39caf21d844ab5ae25f7488a30411daa008d5d099cd5415215
[INFO] running `Command { std: "docker" "start" "-a" "66b93b980014ad39caf21d844ab5ae25f7488a30411daa008d5d099cd5415215", kill_on_drop: false }`
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/console.rs:225:57
[INFO] [stdout]     |
[INFO] [stdout] 225 | fn split_at<'a>(path: &'a str, index: usize) -> Option<(&str, &u8, &str)> {
[INFO] [stdout]     |                        --                               ^^^^  ^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]     |                        |                                |     |
[INFO] [stdout]     |                        |                                |     the same lifetime is elided here
[INFO] [stdout]     |                        the lifetime is named here       the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 225 | fn split_at<'a>(path: &'a str, index: usize) -> Option<(&'a str, &'a u8, &'a str)> {
[INFO] [stdout]     |                                                          ++       ++      ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cvar v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/console.rs:225:57
[INFO] [stdout]     |
[INFO] [stdout] 225 | fn split_at<'a>(path: &'a str, index: usize) -> Option<(&str, &u8, &str)> {
[INFO] [stdout]     |                        --                               ^^^^  ^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]     |                        |                                |     |
[INFO] [stdout]     |                        |                                |     the same lifetime is elided here
[INFO] [stdout]     |                        the lifetime is named here       the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 225 | fn split_at<'a>(path: &'a str, index: usize) -> Option<(&'a str, &'a u8, &'a str)> {
[INFO] [stdout]     |                                                          ++       ++      ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "66b93b980014ad39caf21d844ab5ae25f7488a30411daa008d5d099cd5415215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b93b980014ad39caf21d844ab5ae25f7488a30411daa008d5d099cd5415215", kill_on_drop: false }`
[INFO] [stdout] 66b93b980014ad39caf21d844ab5ae25f7488a30411daa008d5d099cd5415215
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 029c43782fddee15fbfddc8dd7384d8d6fc985c9442725d0ba11fdba2276c8d1
[INFO] running `Command { std: "docker" "start" "-a" "029c43782fddee15fbfddc8dd7384d8d6fc985c9442725d0ba11fdba2276c8d1", kill_on_drop: false }`
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/console.rs:225:57
[INFO] [stderr]     |
[INFO] [stderr] 225 | fn split_at<'a>(path: &'a str, index: usize) -> Option<(&str, &u8, &str)> {
[INFO] [stderr]     |                        --                               ^^^^  ^^^  ^^^^ the same lifetime is elided here
[INFO] [stderr]     |                        |                                |     |
[INFO] [stderr]     |                        |                                |     the same lifetime is elided here
[INFO] [stderr]     |                        the lifetime is named here       the same lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 225 | fn split_at<'a>(path: &'a str, index: usize) -> Option<(&'a str, &'a u8, &'a str)> {
[INFO] [stderr]     |                                                          ++       ++      ++
[INFO] [stderr] 
[INFO] [stderr] warning: `cvar` (lib) generated 1 warning (run `cargo fix --lib -p cvar` to apply 1 suggestion)
[INFO] [stderr] warning: `cvar` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cvar-d72d41e731d662b0)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test console::test_compare_id ... ok
[INFO] [stdout] test tests::main ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cvar
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/lib.rs - IVisit (line 590) ... ok
[INFO] [stdout] test src/lib.rs - Visit (line 621) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/lib.rs - (line 41) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "029c43782fddee15fbfddc8dd7384d8d6fc985c9442725d0ba11fdba2276c8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "029c43782fddee15fbfddc8dd7384d8d6fc985c9442725d0ba11fdba2276c8d1", kill_on_drop: false }`
[INFO] [stdout] 029c43782fddee15fbfddc8dd7384d8d6fc985c9442725d0ba11fdba2276c8d1