[INFO] crate idmap 0.2.16 is already in cache
[INFO] checking idmap-0.2.16 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate idmap 0.2.16 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate idmap 0.2.16 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate idmap 0.2.16
[INFO] finished tweaking crates.io crate idmap 0.2.16
[INFO] tweaked toml for crates.io crate idmap 0.2.16 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aa1b95a866187b7430c2f2e03f6deaca55aef65815d0fc4acd0e511a9746780d
[INFO] running `"docker" "start" "-a" "aa1b95a866187b7430c2f2e03f6deaca55aef65815d0fc4acd0e511a9746780d"`
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking serde_test v1.0.106
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling idmap-derive v0.1.1
[INFO] [stderr]     Checking idmap v0.2.16 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/table.rs:344:29
[INFO] [stderr]     |
[INFO] [stderr] 344 |     fn raw_debug(&self) -> &Debug where K: Debug, V: Debug;
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/table.rs:469:29
[INFO] [stderr]     |
[INFO] [stderr] 469 |     fn raw_debug(&self) -> &Debug where K: Debug, V: Debug {
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/table.rs:470:18
[INFO] [stderr]     |
[INFO] [stderr] 470 |         self as &Debug
[INFO] [stderr]     |                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/table.rs:683:29
[INFO] [stderr]     |
[INFO] [stderr] 683 |     fn raw_debug(&self) -> &Debug where K: Debug, V: Debug {
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/table.rs:684:18
[INFO] [stderr]     |
[INFO] [stderr] 684 |         self as &Debug
[INFO] [stderr]     |                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(try_from, trusted_len, core_intrinsics, const_fn, drain_filter)]
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr] error[E0463]: can't find crate for `serde`
[INFO] [stderr]  --> tests/basic.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | extern crate serde;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `idmap`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `serde`
[INFO] [stderr]  --> tests/set.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | extern crate serde;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `serde`
[INFO] [stderr]  --> tests/direct.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | extern crate serde;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `idmap`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `idmap`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/table.rs:344:29
[INFO] [stderr]     |
[INFO] [stderr] 344 |     fn raw_debug(&self) -> &Debug where K: Debug, V: Debug;
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/table.rs:469:29
[INFO] [stderr]     |
[INFO] [stderr] 469 |     fn raw_debug(&self) -> &Debug where K: Debug, V: Debug {
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/table.rs:470:18
[INFO] [stderr]     |
[INFO] [stderr] 470 |         self as &Debug
[INFO] [stderr]     |                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/table.rs:683:29
[INFO] [stderr]     |
[INFO] [stderr] 683 |     fn raw_debug(&self) -> &Debug where K: Debug, V: Debug {
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/table.rs:684:18
[INFO] [stderr]     |
[INFO] [stderr] 684 |         self as &Debug
[INFO] [stderr]     |                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(try_from, trusted_len, core_intrinsics, const_fn, drain_filter)]
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "aa1b95a866187b7430c2f2e03f6deaca55aef65815d0fc4acd0e511a9746780d"`
[INFO] running `"docker" "rm" "-f" "aa1b95a866187b7430c2f2e03f6deaca55aef65815d0fc4acd0e511a9746780d"`
[INFO] [stdout] aa1b95a866187b7430c2f2e03f6deaca55aef65815d0fc4acd0e511a9746780d