[INFO] fetching crate brev 0.2.0...
[INFO] checking brev-0.2.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate brev 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate brev 0.2.0 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate brev 0.2.0
[INFO] finished tweaking crates.io crate brev 0.2.0
[INFO] tweaked toml for crates.io crate brev 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be51c27fac88865bed394a78f87d4c45048164e5ab6eb0d985524e1e40c08254
[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" "be51c27fac88865bed394a78f87d4c45048164e5ab6eb0d985524e1e40c08254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be51c27fac88865bed394a78f87d4c45048164e5ab6eb0d985524e1e40c08254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be51c27fac88865bed394a78f87d4c45048164e5ab6eb0d985524e1e40c08254", kill_on_drop: false }`
[INFO] [stdout] be51c27fac88865bed394a78f87d4c45048164e5ab6eb0d985524e1e40c08254
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 287dbc064d8d0a83062c53837f57f7d2a53709b2bed0585a27f69390732c48bf
[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" "287dbc064d8d0a83062c53837f57f7d2a53709b2bed0585a27f69390732c48bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking brev v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:178:16
[INFO] [stdout]     |
[INFO] [stdout] 178 | pub fn say(d: &fmt::Display) {
[INFO] [stdout]     |                ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::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/lib.rs:182:16
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub fn out(d: &fmt::Display) {
[INFO] [stdout]     |                ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:188:16
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub fn err(d: &fmt::Display) {
[INFO] [stdout]     |                ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:194:17
[INFO] [stdout]     |
[INFO] [stdout] 194 | pub fn warn(d: &fmt::Display) {
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:200:16
[INFO] [stdout]     |
[INFO] [stdout] 200 | pub fn die(d: &fmt::Display) -> ! {
[INFO] [stdout]     |                ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:178:16
[INFO] [stdout]     |
[INFO] [stdout] 178 | pub fn say(d: &fmt::Display) {
[INFO] [stdout]     |                ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::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/lib.rs:182:16
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub fn out(d: &fmt::Display) {
[INFO] [stdout]     |                ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:188:16
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub fn err(d: &fmt::Display) {
[INFO] [stdout]     |                ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:194:17
[INFO] [stdout]     |
[INFO] [stdout] 194 | pub fn warn(d: &fmt::Display) {
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:200:16
[INFO] [stdout]     |
[INFO] [stdout] 200 | pub fn die(d: &fmt::Display) -> ! {
[INFO] [stdout]     |                ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.91s
[INFO] running `Command { std: "docker" "inspect" "287dbc064d8d0a83062c53837f57f7d2a53709b2bed0585a27f69390732c48bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "287dbc064d8d0a83062c53837f57f7d2a53709b2bed0585a27f69390732c48bf", kill_on_drop: false }`
[INFO] [stdout] 287dbc064d8d0a83062c53837f57f7d2a53709b2bed0585a27f69390732c48bf