[INFO] fetching crate cargo-kcov 0.5.2...
[INFO] checking cargo-kcov-0.5.2 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate cargo-kcov 0.5.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate cargo-kcov 0.5.2 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-kcov 0.5.2
[INFO] finished tweaking crates.io crate cargo-kcov 0.5.2
[INFO] tweaked toml for crates.io crate cargo-kcov 0.5.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 729d1f01bca41ddbb06ce885cf5539f50c77baaf13e84529f496b4406bdf0c39
[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" "729d1f01bca41ddbb06ce885cf5539f50c77baaf13e84529f496b4406bdf0c39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "729d1f01bca41ddbb06ce885cf5539f50c77baaf13e84529f496b4406bdf0c39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "729d1f01bca41ddbb06ce885cf5539f50c77baaf13e84529f496b4406bdf0c39", kill_on_drop: false }`
[INFO] [stdout] 729d1f01bca41ddbb06ce885cf5539f50c77baaf13e84529f496b4406bdf0c39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--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] 21c45b37ff44900a1e82363901db0c1e905961e5c2fe5823bce3959b0346932b
[INFO] running `Command { std: "docker" "start" "-a" "21c45b37ff44900a1e82363901db0c1e905961e5c2fe5823bce3959b0346932b", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking shlex v0.1.1
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking which v4.1.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking open v1.7.0
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking rquery v0.4.1
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking cargo-kcov v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:51:32
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn cause(&self) -> Option<&Display> {
[INFO] [stdout]    |                                ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:58:60
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Error::Json(ref e) => e.as_ref().map(|a| a as &Display),
[INFO] [stdout]    |                                                            ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:60:77
[INFO] [stdout]    |
[INFO] [stdout] 60 |             Error::CannotFindTestTargets(ref e) => e.as_ref().map(|a| a as &Display),
[INFO] [stdout]    |                                                                             ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:51:32
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn cause(&self) -> Option<&Display> {
[INFO] [stdout]    |                                ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:58:60
[INFO] [stdout]    |
[INFO] [stdout] 58 |             Error::Json(ref e) => e.as_ref().map(|a| a as &Display),
[INFO] [stdout]    |                                                            ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:60:77
[INFO] [stdout]    |
[INFO] [stdout] 60 |             Error::CannotFindTestTargets(ref e) => e.as_ref().map(|a| a as &Display),
[INFO] [stdout]    |                                                                             ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/main.rs:135:20
[INFO] [stdout]     |
[INFO] [stdout] 135 |         full_pkgid.trim_right();
[INFO] [stdout]     |                    ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/main.rs:135:20
[INFO] [stdout]     |
[INFO] [stdout] 135 |         full_pkgid.trim_right();
[INFO] [stdout]     |                    ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]   --> src/target_finder.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let trimmed_line = line.trim_left();
[INFO] [stdout]    |                             ^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]   --> src/target_finder.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let trimmed_line = line.trim_left();
[INFO] [stdout]    |                             ^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.06s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "21c45b37ff44900a1e82363901db0c1e905961e5c2fe5823bce3959b0346932b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21c45b37ff44900a1e82363901db0c1e905961e5c2fe5823bce3959b0346932b", kill_on_drop: false }`
[INFO] [stdout] 21c45b37ff44900a1e82363901db0c1e905961e5c2fe5823bce3959b0346932b