[INFO] fetching crate ecosystem 0.1.0...
[INFO] testing ecosystem-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ecosystem 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ecosystem 0.1.0 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 crates.io crate ecosystem 0.1.0
[INFO] finished tweaking crates.io crate ecosystem 0.1.0
[INFO] tweaked toml for crates.io crate ecosystem 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate ecosystem 0.1.0 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] 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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0422a80dd500c4c68de5f1dacbc53d5f3759cc73dfe1aed0e9a5b32a081c5c9f
[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" "0422a80dd500c4c68de5f1dacbc53d5f3759cc73dfe1aed0e9a5b32a081c5c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0422a80dd500c4c68de5f1dacbc53d5f3759cc73dfe1aed0e9a5b32a081c5c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0422a80dd500c4c68de5f1dacbc53d5f3759cc73dfe1aed0e9a5b32a081c5c9f", kill_on_drop: false }`
[INFO] [stdout] 0422a80dd500c4c68de5f1dacbc53d5f3759cc73dfe1aed0e9a5b32a081c5c9f
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ac06b1ab0ae4b1dc757f99f02655123155e9154d7c41baeab753aefe22571a2
[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" "2ac06b1ab0ae4b1dc757f99f02655123155e9154d7c41baeab753aefe22571a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling ecosystem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.64s
[INFO] running `Command { std: "docker" "inspect" "2ac06b1ab0ae4b1dc757f99f02655123155e9154d7c41baeab753aefe22571a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ac06b1ab0ae4b1dc757f99f02655123155e9154d7c41baeab753aefe22571a2", kill_on_drop: false }`
[INFO] [stdout] 2ac06b1ab0ae4b1dc757f99f02655123155e9154d7c41baeab753aefe22571a2
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a4fe6fc6f123ad5917cbff873727ac7947096f4e36d68d96fd44680bb1de76a
[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" "0a4fe6fc6f123ad5917cbff873727ac7947096f4e36d68d96fd44680bb1de76a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ecosystem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `Command { std: "docker" "inspect" "0a4fe6fc6f123ad5917cbff873727ac7947096f4e36d68d96fd44680bb1de76a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a4fe6fc6f123ad5917cbff873727ac7947096f4e36d68d96fd44680bb1de76a", kill_on_drop: false }`
[INFO] [stdout] 0a4fe6fc6f123ad5917cbff873727ac7947096f4e36d68d96fd44680bb1de76a
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b67f8e38ec44c7ca2cca2e77519e946f8da58545e5882fa472ea4f8f4ba1a37e
[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" "b67f8e38ec44c7ca2cca2e77519e946f8da58545e5882fa472ea4f8f4ba1a37e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ecosystem-d9a463a6eb09a8de
[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 ecosystem
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Organism::breed (line 29) ... FAILED
[INFO] [stdout] test src/lib.rs - Organism::mutate (line 44) ... FAILED
[INFO] [stdout] test src/lib.rs - Organism::fitness (line 15) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Organism::breed (line 29) stdout ----
[INFO] [stdout] error[E0405]: cannot find trait `Organism` in this scope
[INFO] [stdout]  --> src/lib.rs:30:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Organism for PiApproximator {
[INFO] [stdout]   |      ^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ecosystem::Organism;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `PiApproximator` in this scope
[INFO] [stdout]  --> src/lib.rs:30:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Organism for PiApproximator {
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412.
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Organism::mutate (line 44) stdout ----
[INFO] [stdout] error[E0405]: cannot find trait `Organism` in this scope
[INFO] [stdout]  --> src/lib.rs:47:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Organism for PiApproximator {
[INFO] [stdout]   |      ^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ecosystem::Organism;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `PiApproximator` in this scope
[INFO] [stdout]  --> src/lib.rs:47:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Organism for PiApproximator {
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412.
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Organism::fitness (line 15) stdout ----
[INFO] [stdout] error[E0405]: cannot find trait `Organism` in this scope
[INFO] [stdout]  --> src/lib.rs:16:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Organism for PiApproximator {
[INFO] [stdout]   |      ^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ecosystem::Organism;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `PiApproximator` in this scope
[INFO] [stdout]  --> src/lib.rs:16:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Organism for PiApproximator {
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412.
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Organism::breed (line 29)
[INFO] [stdout]     src/lib.rs - Organism::fitness (line 15)
[INFO] [stdout]     src/lib.rs - Organism::mutate (line 44)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "b67f8e38ec44c7ca2cca2e77519e946f8da58545e5882fa472ea4f8f4ba1a37e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b67f8e38ec44c7ca2cca2e77519e946f8da58545e5882fa472ea4f8f4ba1a37e", kill_on_drop: false }`
[INFO] [stdout] b67f8e38ec44c7ca2cca2e77519e946f8da58545e5882fa472ea4f8f4ba1a37e