[INFO] cloning repository https://github.com/Alexei-B/mc_sim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Alexei-B/mc_sim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexei-B%2Fmc_sim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexei-B%2Fmc_sim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d391b7c25d3ef8d68ae836252feb1e16dce8f94
[INFO] testing Alexei-B/mc_sim against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexei-B%2Fmc_sim" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Alexei-B/mc_sim on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Alexei-B/mc_sim
[INFO] finished tweaking git repo https://github.com/Alexei-B/mc_sim
[INFO] tweaked toml for git repo https://github.com/Alexei-B/mc_sim written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Alexei-B/mc_sim already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 2f37f8a6676bf9261f19de02cb0155c21cb1a4f3a28dadaefc15d56077e33c93
[INFO] running `Command { std: "docker" "start" "-a" "2f37f8a6676bf9261f19de02cb0155c21cb1a4f3a28dadaefc15d56077e33c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f37f8a6676bf9261f19de02cb0155c21cb1a4f3a28dadaefc15d56077e33c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f37f8a6676bf9261f19de02cb0155c21cb1a4f3a28dadaefc15d56077e33c93", kill_on_drop: false }`
[INFO] [stdout] 2f37f8a6676bf9261f19de02cb0155c21cb1a4f3a28dadaefc15d56077e33c93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15f9839db43d00da0fb9dfb88bc6065c9d6fdce912c51ae67ffd7d9b03c8035c
[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" "15f9839db43d00da0fb9dfb88bc6065c9d6fdce912c51ae67ffd7d9b03c8035c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling cached_proc_macro_types v0.1.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling quick-error v2.0.0
[INFO] [stderr]    Compiling humantime v2.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling nalgebra v0.19.0
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling fraction v0.8.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling cached_proc_macro v0.6.0
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling cached v0.22.0
[INFO] [stderr]    Compiling statrs v0.13.0
[INFO] [stderr]    Compiling mc_sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "15f9839db43d00da0fb9dfb88bc6065c9d6fdce912c51ae67ffd7d9b03c8035c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15f9839db43d00da0fb9dfb88bc6065c9d6fdce912c51ae67ffd7d9b03c8035c", kill_on_drop: false }`
[INFO] [stdout] 15f9839db43d00da0fb9dfb88bc6065c9d6fdce912c51ae67ffd7d9b03c8035c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06c860a930a2f2bab287f1e11c33b2e1fcdcddbffcc5581a276a6ebfe7e7e7c7
[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" "06c860a930a2f2bab287f1e11c33b2e1fcdcddbffcc5581a276a6ebfe7e7e7c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling mc_sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 21.78s
[INFO] running `Command { std: "docker" "inspect" "06c860a930a2f2bab287f1e11c33b2e1fcdcddbffcc5581a276a6ebfe7e7e7c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06c860a930a2f2bab287f1e11c33b2e1fcdcddbffcc5581a276a6ebfe7e7e7c7", kill_on_drop: false }`
[INFO] [stdout] 06c860a930a2f2bab287f1e11c33b2e1fcdcddbffcc5581a276a6ebfe7e7e7c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b6fedd21acf27bd605597d04e5e79c4b671a93264862436aeeadb8e9dc0fec2
[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" "1b6fedd21acf27bd605597d04e5e79c4b671a93264862436aeeadb8e9dc0fec2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mc_sim-43e22682ba36e0cc
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mc_sim
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/run.rs - run::RunSim::new (line 114) ... ok
[INFO] [stdout] test src/stream.rs - stream::StreamResults::probability (line 75) ... ok
[INFO] [stdout] test src/run.rs - run::Run::new (line 14) ... ok
[INFO] [stdout] test src/stats.rs - stats::item_drop_average (line 200) ... ok
[INFO] [stdout] test src/drop.rs - drop::DropConfig::new (line 40) ... ok
[INFO] [stdout] test src/stats.rs - stats::EnderPearlDistribution::new (line 34) ... ok
[INFO] [stdout] test src/sim.rs - sim::SimulationGoalsBuilder::new (line 42) ... ok
[INFO] [stdout] test src/stream.rs - stream::StreamResults::luck (line 51) ... ok
[INFO] [stdout] test src/stream.rs - stream::Stream::simulate (line 156) ... ok
[INFO] [stdout] test src/stats.rs - stats::item_drop_probability (line 186) ... ok
[INFO] [stdout] test src/stats.rs - stats::attempts_to_reach_target (line 228) ... ok
[INFO] [stdout] test src/drop.rs - drop::DropSim::get_drop (line 89) ... ok
[INFO] [stdout] test src/stats.rs - stats::item_drop_range (line 214) ... ok
[INFO] [stdout] test src/stats.rs - stats::BlazeRodDistribution::new (line 129) ... ok
[INFO] [stdout] test src/sim.rs - sim::Simulation::new (line 249) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1b6fedd21acf27bd605597d04e5e79c4b671a93264862436aeeadb8e9dc0fec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b6fedd21acf27bd605597d04e5e79c4b671a93264862436aeeadb8e9dc0fec2", kill_on_drop: false }`
[INFO] [stdout] 1b6fedd21acf27bd605597d04e5e79c4b671a93264862436aeeadb8e9dc0fec2