[INFO] fetching crate tange-collection 0.1.2...
[INFO] checking tange-collection-0.1.2 against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] extracting crate tange-collection 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tange-collection 0.1.2 on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tange-collection 0.1.2
[INFO] finished tweaking crates.io crate tange-collection 0.1.2
[INFO] tweaked toml for crates.io crate tange-collection 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3100887348a02cb90615c899e50a4acf47c9bff01123d1f94daadfbcbd92c776
[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" "3100887348a02cb90615c899e50a4acf47c9bff01123d1f94daadfbcbd92c776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3100887348a02cb90615c899e50a4acf47c9bff01123d1f94daadfbcbd92c776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3100887348a02cb90615c899e50a4acf47c9bff01123d1f94daadfbcbd92c776", kill_on_drop: false }`
[INFO] [stdout] 3100887348a02cb90615c899e50a4acf47c9bff01123d1f94daadfbcbd92c776
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67611567b403c80f6ea434cca94344396bf19ce1a338b948f59c717bd6606475
[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" "67611567b403c80f6ea434cca94344396bf19ce1a338b948f59c717bd6606475", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde v1.0.112
[INFO] [stderr]     Checking indexmap v0.4.1
[INFO] [stderr]     Checking jobpool v0.3.8
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]     Checking priority-queue v0.5.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking tange v0.1.1
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]    Compiling serde_derive v1.0.112
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking tange-collection v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/collection/memory.rs:169:56
[INFO] [stdout]     |
[INFO] [stdout] 169 |         F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ())
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[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/collection/memory.rs:197:56
[INFO] [stdout]     |
[INFO] [stdout] 197 |         F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ())
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/collection/disk.rs:199:56
[INFO] [stdout]     |
[INFO] [stdout] 199 |         F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ())
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/collection/mod.rs:18:52
[INFO] [stdout]    |
[INFO] [stdout] 18 |     F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ()),
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/collection/memory.rs:169:56
[INFO] [stdout]     |
[INFO] [stdout] 169 |         F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ())
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[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/collection/memory.rs:197:56
[INFO] [stdout]     |
[INFO] [stdout] 197 |         F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ())
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/collection/disk.rs:199:56
[INFO] [stdout]     |
[INFO] [stdout] 199 |         F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ())
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/collection/mod.rs:18:52
[INFO] [stdout]    |
[INFO] [stdout] 18 |     F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ()),
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(B) -> ()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.20s
[INFO] running `Command { std: "docker" "inspect" "67611567b403c80f6ea434cca94344396bf19ce1a338b948f59c717bd6606475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67611567b403c80f6ea434cca94344396bf19ce1a338b948f59c717bd6606475", kill_on_drop: false }`
[INFO] [stdout] 67611567b403c80f6ea434cca94344396bf19ce1a338b948f59c717bd6606475