[INFO] fetching crate emlop 0.4.2...
[INFO] checking emlop-0.4.2 against 1.55.0 for beta-1.56-3
[INFO] extracting crate emlop 0.4.2 into /workspace/builds/worker-112/source
[INFO] validating manifest of crates.io crate emlop 0.4.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate emlop 0.4.2
[INFO] finished tweaking crates.io crate emlop 0.4.2
[INFO] tweaked toml for crates.io crate emlop 0.4.2 written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] crate crates.io crate emlop 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4cde7cfc2c1d23005879d0bdbbdcd33fb2265650c3ec3b0690b88b874720b25
[INFO] running `Command { std: "docker" "start" "-a" "b4cde7cfc2c1d23005879d0bdbbdcd33fb2265650c3ec3b0690b88b874720b25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4cde7cfc2c1d23005879d0bdbbdcd33fb2265650c3ec3b0690b88b874720b25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4cde7cfc2c1d23005879d0bdbbdcd33fb2265650c3ec3b0690b88b874720b25", kill_on_drop: false }`
[INFO] [stdout] b4cde7cfc2c1d23005879d0bdbbdcd33fb2265650c3ec3b0690b88b874720b25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 021422da1d21c9725291d390ee4fb58d06296def1c1c0faed26dd104ef95b7c0
[INFO] running `Command { std: "docker" "start" "-a" "021422da1d21c9725291d390ee4fb58d06296def1c1c0faed26dd104ef95b7c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]    Compiling escargot v0.5.2
[INFO] [stderr]     Checking scanlex v0.1.4
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking tabwriter v1.2.1
[INFO] [stderr]     Checking predicates-tree v1.0.3
[INFO] [stderr]     Checking predicates v2.0.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking assert_cmd v1.0.8
[INFO] [stderr]     Checking sysconf v0.3.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking chrono-english v0.1.6
[INFO] [stderr]     Checking stderrlog v0.5.1
[INFO] [stderr]     Checking emlop v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rand`
[INFO] [stdout]   --> benches/exec_compare.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use rand::prelude::SliceRandom;
[INFO] [stdout]    |     ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `inc_stats`, `rand::prelude::SliceRandom`
[INFO] [stdout]   --> benches/exec_compare.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use inc_stats::*;
[INFO] [stdout]    |     ^^^^^^^^^ use of undeclared crate or module `inc_stats`
[INFO] [stdout] 22 | use rand::prelude::SliceRandom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rand`
[INFO] [stdout]    --> benches/exec_compare.rs:201:24
[INFO] [stdout]     |
[INFO] [stdout] 201 |     tests.shuffle(&mut rand::thread_rng());
[INFO] [stdout]     |                        ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `SummStats` in this scope
[INFO] [stdout]    --> benches/exec_compare.rs:227:17
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let ss: SummStats<f64> = vals.iter().cloned().collect();
[INFO] [stdout]     |                 ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Percentiles` in this scope
[INFO] [stdout]    --> benches/exec_compare.rs:228:21
[INFO] [stdout]     |
[INFO] [stdout] 228 |         let mut pc: Percentiles<f64> = vals.iter().cloned().collect();
[INFO] [stdout]     |                     ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `shuffle` found for struct `Vec<(String, &str, &[&str], Option<&str>)>` in the current scope
[INFO] [stdout]    --> benches/exec_compare.rs:201:11
[INFO] [stdout]     |
[INFO] [stdout] 201 |     tests.shuffle(&mut rand::thread_rng());
[INFO] [stdout]     |           ^^^^^^^ method not found in `Vec<(String, &str, &[&str], Option<&str>)>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `emlop` due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "021422da1d21c9725291d390ee4fb58d06296def1c1c0faed26dd104ef95b7c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "021422da1d21c9725291d390ee4fb58d06296def1c1c0faed26dd104ef95b7c0", kill_on_drop: false }`
[INFO] [stdout] 021422da1d21c9725291d390ee4fb58d06296def1c1c0faed26dd104ef95b7c0
