[INFO] fetching crate flog 0.1.2...
[INFO] testing flog-0.1.2 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate flog 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate flog 0.1.2 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flog 0.1.2
[INFO] finished tweaking crates.io crate flog 0.1.2
[INFO] tweaked toml for crates.io crate flog 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate flog 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--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" "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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 5ce20979f6f59ee47ff65f3f2fbb694ee9a47701883b5f4f0d3c5a0e49e7056f
[INFO] running `Command { std: "docker" "start" "-a" "5ce20979f6f59ee47ff65f3f2fbb694ee9a47701883b5f4f0d3c5a0e49e7056f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ce20979f6f59ee47ff65f3f2fbb694ee9a47701883b5f4f0d3c5a0e49e7056f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ce20979f6f59ee47ff65f3f2fbb694ee9a47701883b5f4f0d3c5a0e49e7056f", kill_on_drop: false }`
[INFO] [stdout] 5ce20979f6f59ee47ff65f3f2fbb694ee9a47701883b5f4f0d3c5a0e49e7056f
[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" "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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7deb20d382ca2f460e1d7106f419b618e2b86e73b70f963443817e671fe4c11
[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" "d7deb20d382ca2f460e1d7106f419b618e2b86e73b70f963443817e671fe4c11", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling instant v0.1.6
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling bytemuck v1.4.0
[INFO] [stderr]    Compiling hashbrown v0.9.0
[INFO] [stderr]    Compiling str_stack v0.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling pprof v0.3.18
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling cpp_demangle v0.3.0
[INFO] [stderr]    Compiling debugid v0.7.2
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling rgb v0.8.25
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling num-format v0.4.0
[INFO] [stderr]    Compiling msvc-demangler v0.8.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling quick-xml v0.18.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling symbolic-demangle v7.5.0
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling const-random v0.1.8
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling inferno v0.10.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling symbolic-common v7.5.0
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling flog v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "d7deb20d382ca2f460e1d7106f419b618e2b86e73b70f963443817e671fe4c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7deb20d382ca2f460e1d7106f419b618e2b86e73b70f963443817e671fe4c11", kill_on_drop: false }`
[INFO] [stdout] d7deb20d382ca2f460e1d7106f419b618e2b86e73b70f963443817e671fe4c11
[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" "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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--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] 1925cac57e17e47d907e442bb6001f07320a74cf412c3e748d332bea27c2c8fb
[INFO] running `Command { std: "docker" "start" "-a" "1925cac57e17e47d907e442bb6001f07320a74cf412c3e748d332bea27c2c8fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rayon-core v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling oorandom v11.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling crossbeam-channel v0.4.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling flog v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `log_str`
[INFO] [stdout]  --> examples/pure.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use flog::{log_str, flush, LogItem, log};
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `minstant`
[INFO] [stdout]   --> examples/fork_join.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let start_time = minstant::now();
[INFO] [stdout]    |                      ^^^^^^^^ use of undeclared crate or module `minstant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `minstant`
[INFO] [stdout]   --> examples/fork_join.rs:52:55
[INFO] [stdout]    |
[INFO] [stdout] 52 |     obj.u64(i as u64).str(" read ").u64(i as u64).u64(minstant::now() - start_time).char('\n');
[INFO] [stdout]    |                                                       ^^^^^^^^ use of undeclared crate or module `minstant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `minstant`
[INFO] [stdout]   --> examples/fork_join.rs:54:22
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let start_time = minstant::now();
[INFO] [stdout]    |                      ^^^^^^^^ use of undeclared crate or module `minstant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `minstant`
[INFO] [stdout]   --> examples/fork_join.rs:56:60
[INFO] [stdout]    |
[INFO] [stdout] 56 |     obj.u64(i as u64).str(" heavy_cpu ").u64(i as u64).u64(minstant::now() - start_time).char('\n');
[INFO] [stdout]    |                                                            ^^^^^^^^ use of undeclared crate or module `minstant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `minstant`
[INFO] [stdout]   --> examples/fork_join.rs:57:22
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let start_time = minstant::now();
[INFO] [stdout]    |                      ^^^^^^^^ use of undeclared crate or module `minstant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `minstant`
[INFO] [stdout]   --> examples/fork_join.rs:60:56
[INFO] [stdout]    |
[INFO] [stdout] 60 |     obj.u64(i as u64).str(" write ").u64(i as u64).u64(minstant::now() - start_time).char('\n');
[INFO] [stdout]    |                                                        ^^^^^^^^ use of undeclared crate or module `minstant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `minstant`
[INFO] [stdout]   --> examples/fork_join.rs:68:22
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let start_time = minstant::now();
[INFO] [stdout]    |                      ^^^^^^^^ use of undeclared crate or module `minstant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `minstant`
[INFO] [stdout]   --> examples/fork_join.rs:79:35
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 obj.char('[').u64(minstant::now() - start_time).str("] ").u64(i as u64).str(" start\n");
[INFO] [stdout]    |                                   ^^^^^^^^ use of undeclared crate or module `minstant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `minstant`
[INFO] [stdout]   --> examples/fork_join.rs:85:35
[INFO] [stdout]    |
[INFO] [stdout] 85 |                 obj.char('[').u64(minstant::now() - start_time).str("] ").u64(i as u64).str(" end\n");
[INFO] [stdout]    |                                   ^^^^^^^^ use of undeclared crate or module `minstant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> examples/fork_join.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log_str`
[INFO] [stdout]  --> examples/fork_join.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | use flog::{log_str, flush, LogItem, log};
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flog`
[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] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1925cac57e17e47d907e442bb6001f07320a74cf412c3e748d332bea27c2c8fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1925cac57e17e47d907e442bb6001f07320a74cf412c3e748d332bea27c2c8fb", kill_on_drop: false }`
[INFO] [stdout] 1925cac57e17e47d907e442bb6001f07320a74cf412c3e748d332bea27c2c8fb