[INFO] fetching crate tracing-subscriber 0.2.18... [INFO] checking tracing-subscriber-0.2.18 against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325 [INFO] extracting crate tracing-subscriber 0.2.18 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate tracing-subscriber 0.2.18 on toolchain fc81ad22c453776de16acf9938976930cf8c9401 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tracing-subscriber 0.2.18 [INFO] finished tweaking crates.io crate tracing-subscriber 0.2.18 [INFO] tweaked toml for crates.io crate tracing-subscriber 0.2.18 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", 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] a9856e948217241f9a423faebdef9a726d0b2e68616ba3b2bf615af65c0a5c60 [INFO] running `Command { std: "docker" "start" "-a" "a9856e948217241f9a423faebdef9a726d0b2e68616ba3b2bf615af65c0a5c60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a9856e948217241f9a423faebdef9a726d0b2e68616ba3b2bf615af65c0a5c60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9856e948217241f9a423faebdef9a726d0b2e68616ba3b2bf615af65c0a5c60", kill_on_drop: false }` [INFO] [stdout] a9856e948217241f9a423faebdef9a726d0b2e68616ba3b2bf615af65c0a5c60 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cbf37f165fab660762b23b08122ab7dd2408d74201ae3f01f16d36562b7e2c06 [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" "cbf37f165fab660762b23b08122ab7dd2408d74201ae3f01f16d36562b7e2c06", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling libc v0.2.96 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking crossbeam-utils v0.8.5 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling pin-project-internal v1.0.7 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Checking tracing v0.1.26 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking tracing-log v0.1.2 [INFO] [stderr] Checking crossbeam-epoch v0.9.5 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Compiling rustc_version v0.3.3 [INFO] [stderr] Checking pin-project v1.0.7 [INFO] [stderr] Compiling cast v0.2.6 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking tracing-serde v0.1.2 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking tracing-subscriber v0.2.18 (/opt/rustwide/workdir) [INFO] [stderr] Checking criterion v0.3.4 [INFO] [stdout] warning: unused attribute [INFO] [stdout] --> src/lib.rs:106:1 [INFO] [stdout] | [INFO] [stdout] 106 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:92:5 [INFO] [stdout] | [INFO] [stdout] 92 | unused, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] = note: `#[warn(unused_attributes)]` implied by `#[warn(unused)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: couldn't read tests/../../tracing/tests/support/mod.rs: No such file or directory (os error 2) [INFO] [stdout] --> tests/support.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | mod support; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: couldn't read tests/../../tracing/tests/support/mod.rs: No such file or directory (os error 2) [INFO] [stdout] --> tests/support.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | mod support; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: couldn't read tests/../../tracing/tests/support/mod.rs: No such file or directory (os error 2) [INFO] [stdout] --> tests/support.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | mod support; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tracing-subscriber` [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] [stdout] error: couldn't read tests/../../tracing/tests/support/mod.rs: No such file or directory (os error 2) [INFO] [stdout] --> tests/support.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | mod support; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: couldn't read tests/../../tracing/tests/support/mod.rs: No such file or directory (os error 2) [INFO] [stdout] --> tests/support.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | mod support; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: couldn't read tests/../../tracing/tests/support/mod.rs: No such file or directory (os error 2) [INFO] [stdout] --> tests/support.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | mod support; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: couldn't read tests/../../tracing/tests/support/mod.rs: No such file or directory (os error 2) [INFO] [stdout] --> tests/support.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | mod support; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/layer.rs:1275:13 [INFO] [stdout] | [INFO] [stdout] 1275 | Subscriber::downcast_ref::(&s).expect("subscriber should downcast"); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 79 | rust_2018_idioms, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` implied by `#[warn(rust_2018_idioms)]` [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/layer.rs:1285:21 [INFO] [stdout] | [INFO] [stdout] 1285 | let layer = Subscriber::downcast_ref::(&s).expect("layer 1 should downcast"); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/layer.rs:1287:21 [INFO] [stdout] | [INFO] [stdout] 1287 | let layer = Subscriber::downcast_ref::(&s).expect("layer 2 should downcast"); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/layer.rs:1289:21 [INFO] [stdout] | [INFO] [stdout] 1289 | let layer = Subscriber::downcast_ref::(&s).expect("layer 3 should downcast"); [INFO] [stdout] | ^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused attribute [INFO] [stdout] --> src/lib.rs:106:1 [INFO] [stdout] | [INFO] [stdout] 106 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:92:5 [INFO] [stdout] | [INFO] [stdout] 92 | unused, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] = note: `#[warn(unused_attributes)]` implied by `#[warn(unused)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "cbf37f165fab660762b23b08122ab7dd2408d74201ae3f01f16d36562b7e2c06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cbf37f165fab660762b23b08122ab7dd2408d74201ae3f01f16d36562b7e2c06", kill_on_drop: false }` [INFO] [stdout] cbf37f165fab660762b23b08122ab7dd2408d74201ae3f01f16d36562b7e2c06